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<h1>classes_spec.sl</h1>
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<td class="line-num">1</td>
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<td class="code-content"><pre>// ============================================================================</pre></td>
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<td class="code-content"><pre>// Classes Test Suite</pre></td>
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<td class="code-content"><pre>// ============================================================================</pre></td>
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<td class="code-content"><pre></pre></td>
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<td class="line-num">5</td>
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<td class="code-content"><pre>describe("Basic Classes", fn() {</pre></td>
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<td class="line-num">6</td>
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<td class="code-content"><pre> test("class declaration and instantiation", fn() {</pre></td>
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<td class="line-num">7</td>
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<td class="code-content"><pre> class Point {</pre></td>
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<td class="line-num">8</td>
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<td class="code-content"><pre> x: Int;</pre></td>
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<td class="line-num">9</td>
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<td class="code-content"><pre> y: Int;</pre></td>
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<td class="line-num">10</td>
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<td class="code-content"><pre></pre></td>
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<td class="line-num">11</td>
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<td class="code-content"><pre> new(x: Int, y: Int) {</pre></td>
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<td class="line-num">12</td>
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<td class="code-content"><pre> this.x = x;</pre></td>
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<td class="line-num">13</td>
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<td class="code-content"><pre> this.y = y;</pre></td>
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<td class="line-num">14</td>
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<td class="code-content"><pre> }</pre></td>
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<td class="line-num">15</td>
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<td class="code-content"><pre> }</pre></td>
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<td class="line-num">16</td>
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<td class="code-content"><pre> let p = new Point(3, 4);</pre></td>
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<td class="line-num">17</td>
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<td class="code-content"><pre> assert_eq(p.x, 3);</pre></td>
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<td class="line-num">18</td>
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<td class="code-content"><pre> assert_eq(p.y, 4);</pre></td>
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<td class="line-num">19</td>
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<td class="code-content"><pre> });</pre></td>
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<td class="line-num">20</td>
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<td class="code-content"><pre></pre></td>
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<td class="line-num">21</td>
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<td class="code-content"><pre> test("class with methods", fn() {</pre></td>
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<td class="line-num">22</td>
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<td class="code-content"><pre> class Rectangle {</pre></td>
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<td class="line-num">23</td>
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<td class="code-content"><pre> width: Int;</pre></td>
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<td class="line-num">24</td>
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<td class="code-content"><pre> height: Int;</pre></td>
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<td class="line-num">25</td>
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<td class="code-content"><pre></pre></td>
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<td class="line-num">26</td>
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<td class="code-content"><pre> new(w: Int, h: Int) {</pre></td>
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<td class="line-num">27</td>
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<td class="code-content"><pre> this.width = w;</pre></td>
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<td class="line-num">28</td>
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<td class="code-content"><pre> this.height = h;</pre></td>
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<td class="line-num">29</td>
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<td class="code-content"><pre> }</pre></td>
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<td class="line-num">30</td>
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<td class="code-content"><pre></pre></td>
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<td class="line-num">31</td>
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<td class="code-content"><pre> fn area() {</pre></td>
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<td class="line-num">32</td>
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<td class="code-content"><pre> return this.width * this.height;</pre></td>
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<td class="line-num">33</td>
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<td class="code-content"><pre> }</pre></td>
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<td class="line-num">34</td>
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<td class="code-content"><pre></pre></td>
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<td class="line-num">35</td>
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<td class="code-content"><pre> fn perimeter() {</pre></td>
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<td class="line-num">36</td>
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<td class="code-content"><pre> return 2 * (this.width + this.height);</pre></td>
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<td class="line-num">37</td>
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<td class="code-content"><pre> }</pre></td>
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<td class="line-num">38</td>
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<td class="code-content"><pre> }</pre></td>
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<td class="line-num">39</td>
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<td class="code-content"><pre> let rect = new Rectangle(5, 3);</pre></td>
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<td class="line-num">40</td>
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<td class="code-content"><pre> assert_eq(rect.area(), 15);</pre></td>
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<td class="line-num">41</td>
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<td class="code-content"><pre> assert_eq(rect.perimeter(), 16);</pre></td>
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<td class="line-num">42</td>
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<td class="code-content"><pre> });</pre></td>
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<td class="line-num">43</td>
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<td class="code-content"><pre></pre></td>
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<td class="line-num">44</td>
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<td class="code-content"><pre> test("class with default field values", fn() {</pre></td>
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<td class="line-num">45</td>
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<td class="code-content"><pre> class Counter {</pre></td>
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<td class="line-num">46</td>
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<td class="code-content"><pre> count: Int = 0;</pre></td>
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<td class="line-num">47</td>
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<td class="code-content"><pre></pre></td>
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<td class="line-num">48</td>
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<td class="code-content"><pre> fn increment() {</pre></td>
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<td class="line-num">49</td>
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<td class="code-content"><pre> this.count = this.count + 1;</pre></td>
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<td class="line-num">50</td>
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<td class="code-content"><pre> }</pre></td>
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<td class="line-num">51</td>
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<td class="code-content"><pre></pre></td>
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<td class="line-num">52</td>
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<td class="code-content"><pre> fn get() {</pre></td>
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<td class="line-num">53</td>
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<td class="code-content"><pre> return this.count;</pre></td>
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<td class="line-num">54</td>
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<td class="code-content"><pre> }</pre></td>
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<td class="line-num">55</td>
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<td class="code-content"><pre> }</pre></td>
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<td class="line-num">56</td>
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<td class="code-content"><pre> let c = new Counter();</pre></td>
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<td class="line-num">57</td>
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<td class="code-content"><pre> assert_eq(c.get(), 0);</pre></td>
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<td class="line-num">58</td>
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<td class="code-content"><pre> c.increment();</pre></td>
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<td class="line-num">59</td>
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<td class="code-content"><pre> c.increment();</pre></td>
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<td class="line-num">60</td>
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<td class="code-content"><pre> assert_eq(c.get(), 2);</pre></td>
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<td class="line-num">61</td>
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<td class="code-content"><pre> });</pre></td>
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<td class="line-num">62</td>
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<td class="code-content"><pre></pre></td>
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<td class="line-num">63</td>
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<td class="code-content"><pre> test("class method chaining", fn() {</pre></td>
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<td class="line-num">64</td>
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<td class="code-content"><pre> class Builder {</pre></td>
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<td class="line-num">65</td>
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<td class="code-content"><pre> value: String = "";</pre></td>
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<td class="line-num">66</td>
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<td class="code-content"><pre></pre></td>
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<td class="line-num">67</td>
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<td class="code-content"><pre> fn add(s: String) {</pre></td>
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<td class="line-num">68</td>
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<td class="code-content"><pre> this.value = this.value + s;</pre></td>
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<td class="line-num">69</td>
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<td class="code-content"><pre> return this;</pre></td>
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<td class="line-num">70</td>
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<td class="code-content"><pre> }</pre></td>
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<td class="line-num">71</td>
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<td class="code-content"><pre></pre></td>
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<td class="line-num">72</td>
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<td class="code-content"><pre> fn build() {</pre></td>
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<td class="line-num">73</td>
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<td class="code-content"><pre> return this.value;</pre></td>
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<td class="line-num">74</td>
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<td class="code-content"><pre> }</pre></td>
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<td class="line-num">75</td>
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<td class="code-content"><pre> }</pre></td>
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<td class="line-num">76</td>
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<td class="code-content"><pre> let result = new Builder().add("Hello").add(" ").add("World").build();</pre></td>
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<td class="line-num">77</td>
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<td class="code-content"><pre> assert_eq(result, "Hello World");</pre></td>
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<td class="line-num">78</td>
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<td class="code-content"><pre> });</pre></td>
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<td class="line-num">79</td>
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<td class="code-content"><pre>});</pre></td>
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<td class="line-num">80</td>
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<td class="code-content"><pre></pre></td>
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<td class="line-num">81</td>
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<td class="code-content"><pre>describe("Static Methods", fn() {</pre></td>
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<td class="line-num">82</td>
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<td class="code-content"><pre> test("static method can be called without instance", fn() {</pre></td>
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<td class="line-num">83</td>
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<td class="code-content"><pre> class MathUtils {</pre></td>
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<td class="line-num">84</td>
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<td class="code-content"><pre> static fn random() {</pre></td>
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<td class="line-num">85</td>
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<td class="code-content"><pre> return 42;</pre></td>
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<td class="line-num">86</td>
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<td class="code-content"><pre> }</pre></td>
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<td class="line-num">87</td>
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<td class="code-content"><pre> }</pre></td>
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<td class="line-num">88</td>
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<td class="code-content"><pre> assert_eq(MathUtils.random(), 42);</pre></td>
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<td class="line-num">89</td>
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<td class="code-content"><pre> });</pre></td>
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<td class="line-num">90</td>
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<td class="code-content"><pre></pre></td>
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<td class="line-num">91</td>
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<td class="code-content"><pre> test("static method with parameters", fn() {</pre></td>
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<td class="line-num">92</td>
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<td class="code-content"><pre> class MathUtils {</pre></td>
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<td class="line-num">93</td>
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<td class="code-content"><pre> static fn add(a: Int, b: Int) -> Int {</pre></td>
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<td class="line-num">94</td>
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<td class="code-content"><pre> return a + b;</pre></td>
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<td class="line-num">95</td>
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<td class="code-content"><pre> }</pre></td>
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<td class="line-num">96</td>
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<td class="code-content"><pre> }</pre></td>
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<td class="line-num">97</td>
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<td class="code-content"><pre> assert_eq(MathUtils.add(5, 3), 8);</pre></td>
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<td class="line-num">98</td>
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<td class="code-content"><pre> });</pre></td>
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<td class="line-num">99</td>
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<td class="code-content"><pre></pre></td>
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<td class="line-num">100</td>
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<td class="code-content"><pre> test("static method with return type", fn() {</pre></td>
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<td class="line-num">101</td>
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<td class="code-content"><pre> class Calculator {</pre></td>
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<td class="line-num">102</td>
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<td class="code-content"><pre> static fn multiply(a: Float, b: Float) -> Float {</pre></td>
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<td class="line-num">103</td>
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<td class="code-content"><pre> return a * b;</pre></td>
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<td class="line-num">104</td>
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<td class="code-content"><pre> }</pre></td>
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<td class="line-num">105</td>
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<td class="code-content"><pre> }</pre></td>
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<td class="line-num">106</td>
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<td class="code-content"><pre> assert_eq(Calculator.multiply(3.0, 4.0), 12.0);</pre></td>
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<td class="line-num">107</td>
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<td class="code-content"><pre> });</pre></td>
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<td class="line-num">108</td>
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<td class="code-content"><pre></pre></td>
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<td class="line-num">109</td>
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<td class="code-content"><pre> test("static method inheritance", fn() {</pre></td>
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<td class="line-num">110</td>
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<td class="code-content"><pre> class Base {</pre></td>
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<td class="line-num">111</td>
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<td class="code-content"><pre> static fn greet() -> String {</pre></td>
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<td class="line-num">112</td>
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<td class="code-content"><pre> return "Hello";</pre></td>
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<td class="line-num">113</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> }</pre></td>
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<td class="line-num">114</td>
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<td class="code-content"><pre> }</pre></td>
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<td class="line-num">115</td>
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<td class="code-content"><pre></pre></td>
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<td class="line-num">116</td>
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<td class="code-content"><pre> class Derived extends Base {</pre></td>
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<td class="line-num">117</td>
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<td class="code-content"><pre> }</pre></td>
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<td class="line-num">118</td>
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<td class="code-content"><pre></pre></td>
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<td class="line-num">119</td>
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<td class="code-content"><pre> assert_eq(Derived.greet(), "Hello");</pre></td>
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<td class="line-num">120</td>
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<td class="code-content"><pre> });</pre></td>
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<td class="line-num">121</td>
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<td class="code-content"><pre></pre></td>
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<td class="line-num">122</td>
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<td class="code-content"><pre> test("static method override", fn() {</pre></td>
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<td class="line-num">123</td>
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<td class="code-content"><pre> class Base {</pre></td>
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<td class="line-num">124</td>
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<td class="code-content"><pre> static fn get_value() -> Int {</pre></td>
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<td class="line-num">125</td>
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<td class="code-content"><pre> return 10;</pre></td>
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<td class="line-num">126</td>
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<td class="code-content"><pre> }</pre></td>
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<td class="line-num">127</td>
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<td class="code-content"><pre> }</pre></td>
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<td class="line-num">128</td>
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<td class="code-content"><pre></pre></td>
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<td class="line-num">129</td>
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<td class="code-content"><pre> class Derived extends Base {</pre></td>
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<td class="line-num">130</td>
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<td class="code-content"><pre> static fn get_value() -> Int {</pre></td>
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<td class="line-num">131</td>
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<td class="code-content"><pre> return 20;</pre></td>
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<td class="line-num">132</td>
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<td class="code-content"><pre> }</pre></td>
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<td class="line-num">133</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> }</pre></td>
</tr><tr class="code-line">
<td class="line-num">134</td>
<td class="line-indicator"></td>
<td class="code-content"><pre></pre></td>
</tr><tr class="code-line">
<td class="line-num">135</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> assert_eq(Derived.get_value(), 20);</pre></td>
</tr><tr class="code-line">
<td class="line-num">136</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> });</pre></td>
</tr><tr class="code-line">
<td class="line-num">137</td>
<td class="line-indicator"></td>
<td class="code-content"><pre></pre></td>
</tr><tr class="code-line">
<td class="line-num">138</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> test("static method can call other static methods", fn() {</pre></td>
</tr><tr class="code-line">
<td class="line-num">139</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> class MathOps {</pre></td>
</tr><tr class="code-line">
<td class="line-num">140</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> static fn double(x: Int) -> Int {</pre></td>
</tr><tr class="code-line">
<td class="line-num">141</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> return x * 2;</pre></td>
</tr><tr class="code-line">
<td class="line-num">142</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> }</pre></td>
</tr><tr class="code-line">
<td class="line-num">143</td>
<td class="line-indicator"></td>
<td class="code-content"><pre></pre></td>
</tr><tr class="code-line">
<td class="line-num">144</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> static fn quadruple(x: Int) -> Int {</pre></td>
</tr><tr class="code-line">
<td class="line-num">145</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> return MathOps.double(MathOps.double(x));</pre></td>
</tr><tr class="code-line">
<td class="line-num">146</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> }</pre></td>
</tr><tr class="code-line">
<td class="line-num">147</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> }</pre></td>
</tr><tr class="code-line">
<td class="line-num">148</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> assert_eq(MathOps.quadruple(5), 20);</pre></td>
</tr><tr class="code-line">
<td class="line-num">149</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> });</pre></td>
</tr><tr class="code-line">
<td class="line-num">150</td>
<td class="line-indicator"></td>
<td class="code-content"><pre></pre></td>
</tr><tr class="code-line">
<td class="line-num">151</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> test("static factory method pattern", fn() {</pre></td>
</tr><tr class="code-line">
<td class="line-num">152</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> class Point {</pre></td>
</tr><tr class="code-line">
<td class="line-num">153</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> x: Float;</pre></td>
</tr><tr class="code-line">
<td class="line-num">154</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> y: Float;</pre></td>
</tr><tr class="code-line">
<td class="line-num">155</td>
<td class="line-indicator"></td>
<td class="code-content"><pre></pre></td>
</tr><tr class="code-line">
<td class="line-num">156</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> new(x: Float, y: Float) {</pre></td>
</tr><tr class="code-line">
<td class="line-num">157</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> this.x = x;</pre></td>
</tr><tr class="code-line">
<td class="line-num">158</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> this.y = y;</pre></td>
</tr><tr class="code-line">
<td class="line-num">159</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> }</pre></td>
</tr><tr class="code-line">
<td class="line-num">160</td>
<td class="line-indicator"></td>
<td class="code-content"><pre></pre></td>
</tr><tr class="code-line">
<td class="line-num">161</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> static fn origin() -> Point {</pre></td>
</tr><tr class="code-line">
<td class="line-num">162</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> return new Point(0.0, 0.0);</pre></td>
</tr><tr class="code-line">
<td class="line-num">163</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> }</pre></td>
</tr><tr class="code-line">
<td class="line-num">164</td>
<td class="line-indicator"></td>
<td class="code-content"><pre></pre></td>
</tr><tr class="code-line">
<td class="line-num">165</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> static fn unit() -> Point {</pre></td>
</tr><tr class="code-line">
<td class="line-num">166</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> return new Point(1.0, 1.0);</pre></td>
</tr><tr class="code-line">
<td class="line-num">167</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> }</pre></td>
</tr><tr class="code-line">
<td class="line-num">168</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> }</pre></td>
</tr><tr class="code-line">
<td class="line-num">169</td>
<td class="line-indicator"></td>
<td class="code-content"><pre></pre></td>
</tr><tr class="code-line">
<td class="line-num">170</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> let origin = Point.origin();</pre></td>
</tr><tr class="code-line">
<td class="line-num">171</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> assert_eq(origin.x, 0.0);</pre></td>
</tr><tr class="code-line">
<td class="line-num">172</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> assert_eq(origin.y, 0.0);</pre></td>
</tr><tr class="code-line">
<td class="line-num">173</td>
<td class="line-indicator"></td>
<td class="code-content"><pre></pre></td>
</tr><tr class="code-line">
<td class="line-num">174</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> let unit = Point.unit();</pre></td>
</tr><tr class="code-line">
<td class="line-num">175</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> assert_eq(unit.x, 1.0);</pre></td>
</tr><tr class="code-line">
<td class="line-num">176</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> assert_eq(unit.y, 1.0);</pre></td>
</tr><tr class="code-line">
<td class="line-num">177</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> });</pre></td>
</tr><tr class="code-line">
<td class="line-num">178</td>
<td class="line-indicator"></td>
<td class="code-content"><pre>});</pre></td>
</tr><tr class="code-line">
<td class="line-num">179</td>
<td class="line-indicator"></td>
<td class="code-content"><pre></pre></td>
</tr><tr class="code-line">
<td class="line-num">180</td>
<td class="line-indicator"></td>
<td class="code-content"><pre>describe("Static Fields", fn() {</pre></td>
</tr><tr class="code-line">
<td class="line-num">181</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> test("static field declaration and access", fn() {</pre></td>
</tr><tr class="code-line">
<td class="line-num">182</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> class Counter {</pre></td>
</tr><tr class="code-line">
<td class="line-num">183</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> static count: Int = 0;</pre></td>
</tr><tr class="code-line">
<td class="line-num">184</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> }</pre></td>
</tr><tr class="code-line">
<td class="line-num">185</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> assert_eq(Counter.count, 0);</pre></td>
</tr><tr class="code-line">
<td class="line-num">186</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> });</pre></td>
</tr><tr class="code-line">
<td class="line-num">187</td>
<td class="line-indicator"></td>
<td class="code-content"><pre></pre></td>
</tr><tr class="code-line">
<td class="line-num">188</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> test("static field initial value", fn() {</pre></td>
</tr><tr class="code-line">
<td class="line-num">189</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> class Config {</pre></td>
</tr><tr class="code-line">
<td class="line-num">190</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> static debug: Bool = false;</pre></td>
</tr><tr class="code-line">
<td class="line-num">191</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> static version: String = "1.0.0";</pre></td>
</tr><tr class="code-line">
<td class="line-num">192</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> }</pre></td>
</tr><tr class="code-line">
<td class="line-num">193</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> assert_eq(Config.debug, false);</pre></td>
</tr><tr class="code-line">
<td class="line-num">194</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> assert_eq(Config.version, "1.0.0");</pre></td>
</tr><tr class="code-line">
<td class="line-num">195</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> });</pre></td>
</tr><tr class="code-line">
<td class="line-num">196</td>
<td class="line-indicator"></td>
<td class="code-content"><pre></pre></td>
</tr><tr class="code-line">
<td class="line-num">197</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> test("static field mutation via Class.field = value", fn() {</pre></td>
</tr><tr class="code-line">
<td class="line-num">198</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> class Config {</pre></td>
</tr><tr class="code-line">
<td class="line-num">199</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> static debug: Bool = false;</pre></td>
</tr><tr class="code-line">
<td class="line-num">200</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> }</pre></td>
</tr><tr class="code-line">
<td class="line-num">201</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> Config.debug = true;</pre></td>
</tr><tr class="code-line">
<td class="line-num">202</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> assert_eq(Config.debug, true);</pre></td>
</tr><tr class="code-line">
<td class="line-num">203</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> });</pre></td>
</tr><tr class="code-line">
<td class="line-num">204</td>
<td class="line-indicator"></td>
<td class="code-content"><pre></pre></td>
</tr><tr class="code-line">
<td class="line-num">205</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> test("static field in subclass shares with parent", fn() {</pre></td>
</tr><tr class="code-line">
<td class="line-num">206</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> class Base {</pre></td>
</tr><tr class="code-line">
<td class="line-num">207</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> static instance_count: Int = 0;</pre></td>
</tr><tr class="code-line">
<td class="line-num">208</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> }</pre></td>
</tr><tr class="code-line">
<td class="line-num">209</td>
<td class="line-indicator"></td>
<td class="code-content"><pre></pre></td>
</tr><tr class="code-line">
<td class="line-num">210</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> class Derived extends Base {</pre></td>
</tr><tr class="code-line">
<td class="line-num">211</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> }</pre></td>
</tr><tr class="code-line">
<td class="line-num">212</td>
<td class="line-indicator"></td>
<td class="code-content"><pre></pre></td>
</tr><tr class="code-line">
<td class="line-num">213</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> assert_eq(Derived.instance_count, 0);</pre></td>
</tr><tr class="code-line">
<td class="line-num">214</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> Base.instance_count = 5;</pre></td>
</tr><tr class="code-line">
<td class="line-num">215</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> assert_eq(Derived.instance_count, 5);</pre></td>
</tr><tr class="code-line">
<td class="line-num">216</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> });</pre></td>
</tr><tr class="code-line">
<td class="line-num">217</td>
<td class="line-indicator"></td>
<td class="code-content"><pre></pre></td>
</tr><tr class="code-line">
<td class="line-num">218</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> test("static field for class-level state", fn() {</pre></td>
</tr><tr class="code-line">
<td class="line-num">219</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> class IdGenerator {</pre></td>
</tr><tr class="code-line">
<td class="line-num">220</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> static next_id: Int = 1;</pre></td>
</tr><tr class="code-line">
<td class="line-num">221</td>
<td class="line-indicator"></td>
<td class="code-content"><pre></pre></td>
</tr><tr class="code-line">
<td class="line-num">222</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> static fn generate() -> Int {</pre></td>
</tr><tr class="code-line">
<td class="line-num">223</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> let id = IdGenerator.next_id;</pre></td>
</tr><tr class="code-line">
<td class="line-num">224</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> IdGenerator.next_id = IdGenerator.next_id + 1;</pre></td>
</tr><tr class="code-line">
<td class="line-num">225</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> return id;</pre></td>
</tr><tr class="code-line">
<td class="line-num">226</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> }</pre></td>
</tr><tr class="code-line">
<td class="line-num">227</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> }</pre></td>
</tr><tr class="code-line">
<td class="line-num">228</td>
<td class="line-indicator"></td>
<td class="code-content"><pre></pre></td>
</tr><tr class="code-line">
<td class="line-num">229</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> assert_eq(IdGenerator.generate(), 1);</pre></td>
</tr><tr class="code-line">
<td class="line-num">230</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> assert_eq(IdGenerator.generate(), 2);</pre></td>
</tr><tr class="code-line">
<td class="line-num">231</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> assert_eq(IdGenerator.generate(), 3);</pre></td>
</tr><tr class="code-line">
<td class="line-num">232</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> });</pre></td>
</tr><tr class="code-line">
<td class="line-num">233</td>
<td class="line-indicator"></td>
<td class="code-content"><pre></pre></td>
</tr><tr class="code-line">
<td class="line-num">234</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> test("static field with type annotation", fn() {</pre></td>
</tr><tr class="code-line">
<td class="line-num">235</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> class Constants {</pre></td>
</tr><tr class="code-line">
<td class="line-num">236</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> static pi: Float = 3.14159;</pre></td>
</tr><tr class="code-line">
<td class="line-num">237</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> static max_size: Int = 1000;</pre></td>
</tr><tr class="code-line">
<td class="line-num">238</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> }</pre></td>
</tr><tr class="code-line">
<td class="line-num">239</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> assert_eq(Constants.pi, 3.14159);</pre></td>
</tr><tr class="code-line">
<td class="line-num">240</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> assert_eq(Constants.max_size, 1000);</pre></td>
</tr><tr class="code-line">
<td class="line-num">241</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> });</pre></td>
</tr><tr class="code-line">
<td class="line-num">242</td>
<td class="line-indicator"></td>
<td class="code-content"><pre>});</pre></td>
</tr><tr class="code-line">
<td class="line-num">243</td>
<td class="line-indicator"></td>
<td class="code-content"><pre></pre></td>
</tr><tr class="code-line">
<td class="line-num">244</td>
<td class="line-indicator"></td>
<td class="code-content"><pre>describe("Private and Protected Visibility", fn() {</pre></td>
</tr><tr class="code-line">
<td class="line-num">245</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> test("private keyword is parsed on field", fn() {</pre></td>
</tr><tr class="code-line">
<td class="line-num">246</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> class Secret {</pre></td>
</tr><tr class="code-line">
<td class="line-num">247</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> private password: String = "secret";</pre></td>
</tr><tr class="code-line">
<td class="line-num">248</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> fn get_password() {</pre></td>
</tr><tr class="code-line">
<td class="line-num">249</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> return this.password;</pre></td>
</tr><tr class="code-line">
<td class="line-num">250</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> }</pre></td>
</tr><tr class="code-line">
<td class="line-num">251</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> }</pre></td>
</tr><tr class="code-line">
<td class="line-num">252</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> let s = new Secret();</pre></td>
</tr><tr class="code-line">
<td class="line-num">253</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> assert_eq(s.get_password(), "secret");</pre></td>
</tr><tr class="code-line">
<td class="line-num">254</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> assert_eq(s.password, "secret");</pre></td>
</tr><tr class="code-line">
<td class="line-num">255</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> });</pre></td>
</tr><tr class="code-line">
<td class="line-num">256</td>
<td class="line-indicator"></td>
<td class="code-content"><pre></pre></td>
</tr><tr class="code-line">
<td class="line-num">257</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> test("private keyword is parsed on method", fn() {</pre></td>
</tr><tr class="code-line">
<td class="line-num">258</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> class Container {</pre></td>
</tr><tr class="code-line">
<td class="line-num">259</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> private fn compute() -> Int {</pre></td>
</tr><tr class="code-line">
<td class="line-num">260</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> return 42;</pre></td>
</tr><tr class="code-line">
<td class="line-num">261</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> }</pre></td>
</tr><tr class="code-line">
<td class="line-num">262</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> fn get_value() {</pre></td>
</tr><tr class="code-line">
<td class="line-num">263</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> return this.compute();</pre></td>
</tr><tr class="code-line">
<td class="line-num">264</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> }</pre></td>
</tr><tr class="code-line">
<td class="line-num">265</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> }</pre></td>
</tr><tr class="code-line">
<td class="line-num">266</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> let c = new Container();</pre></td>
</tr><tr class="code-line">
<td class="line-num">267</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> assert_eq(c.get_value(), 42);</pre></td>
</tr><tr class="code-line">
<td class="line-num">268</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> let result = c.compute();</pre></td>
</tr><tr class="code-line">
<td class="line-num">269</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> assert_eq(result, 42);</pre></td>
</tr><tr class="code-line">
<td class="line-num">270</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> });</pre></td>
</tr><tr class="code-line">
<td class="line-num">271</td>
<td class="line-indicator"></td>
<td class="code-content"><pre></pre></td>
</tr><tr class="code-line">
<td class="line-num">272</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> test("protected keyword is parsed on field", fn() {</pre></td>
</tr><tr class="code-line">
<td class="line-num">273</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> class Base {</pre></td>
</tr><tr class="code-line">
<td class="line-num">274</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> protected value: Int = 10;</pre></td>
</tr><tr class="code-line">
<td class="line-num">275</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> }</pre></td>
</tr><tr class="code-line">
<td class="line-num">276</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> let b = new Base();</pre></td>
</tr><tr class="code-line">
<td class="line-num">277</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> assert_eq(b.value, 10);</pre></td>
</tr><tr class="code-line">
<td class="line-num">278</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> });</pre></td>
</tr><tr class="code-line">
<td class="line-num">279</td>
<td class="line-indicator"></td>
<td class="code-content"><pre></pre></td>
</tr><tr class="code-line">
<td class="line-num">280</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> test("protected keyword is parsed on method", fn() {</pre></td>
</tr><tr class="code-line">
<td class="line-num">281</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> class Base {</pre></td>
</tr><tr class="code-line">
<td class="line-num">282</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> protected fn internal_method() -> String {</pre></td>
</tr><tr class="code-line">
<td class="line-num">283</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> return "internal";</pre></td>
</tr><tr class="code-line">
<td class="line-num">284</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> }</pre></td>
</tr><tr class="code-line">
<td class="line-num">285</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> }</pre></td>
</tr><tr class="code-line">
<td class="line-num">286</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> let b = new Base();</pre></td>
</tr><tr class="code-line">
<td class="line-num">287</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> let result = b.internal_method();</pre></td>
</tr><tr class="code-line">
<td class="line-num">288</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> assert_eq(result, "internal");</pre></td>
</tr><tr class="code-line">
<td class="line-num">289</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> });</pre></td>
</tr><tr class="code-line">
<td class="line-num">290</td>
<td class="line-indicator"></td>
<td class="code-content"><pre></pre></td>
</tr><tr class="code-line">
<td class="line-num">291</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> test("private field with default value", fn() {</pre></td>
</tr><tr class="code-line">
<td class="line-num">292</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> class SafeBox {</pre></td>
</tr><tr class="code-line">
<td class="line-num">293</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> private code: String = "1234";</pre></td>
</tr><tr class="code-line">
<td class="line-num">294</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> private attempts: Int = 0;</pre></td>
</tr><tr class="code-line">
<td class="line-num">295</td>
<td class="line-indicator"></td>
<td class="code-content"><pre></pre></td>
</tr><tr class="code-line">
<td class="line-num">296</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> fn try_code(input: String) -> Bool {</pre></td>
</tr><tr class="code-line">
<td class="line-num">297</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> this.attempts = this.attempts + 1;</pre></td>
</tr><tr class="code-line">
<td class="line-num">298</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> return this.code == input;</pre></td>
</tr><tr class="code-line">
<td class="line-num">299</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> }</pre></td>
</tr><tr class="code-line">
<td class="line-num">300</td>
<td class="line-indicator"></td>
<td class="code-content"><pre></pre></td>
</tr><tr class="code-line">
<td class="line-num">301</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> fn get_attempts() -> Int {</pre></td>
</tr><tr class="code-line">
<td class="line-num">302</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> return this.attempts;</pre></td>
</tr><tr class="code-line">
<td class="line-num">303</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> }</pre></td>
</tr><tr class="code-line">
<td class="line-num">304</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> }</pre></td>
</tr><tr class="code-line">
<td class="line-num">305</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> let box = new SafeBox();</pre></td>
</tr><tr class="code-line">
<td class="line-num">306</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> assert_eq(box.try_code("0000"), false);</pre></td>
</tr><tr class="code-line">
<td class="line-num">307</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> assert_eq(box.try_code("1234"), true);</pre></td>
</tr><tr class="code-line">
<td class="line-num">308</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> assert_eq(box.get_attempts(), 2);</pre></td>
</tr><tr class="code-line">
<td class="line-num">309</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> });</pre></td>
</tr><tr class="code-line">
<td class="line-num">310</td>
<td class="line-indicator"></td>
<td class="code-content"><pre></pre></td>
</tr><tr class="code-line">
<td class="line-num">311</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> test("class with multiple visibility modifiers", fn() {</pre></td>
</tr><tr class="code-line">
<td class="line-num">312</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> class User {</pre></td>
</tr><tr class="code-line">
<td class="line-num">313</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> private id: Int;</pre></td>
</tr><tr class="code-line">
<td class="line-num">314</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> protected email: String;</pre></td>
</tr><tr class="code-line">
<td class="line-num">315</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> name: String;</pre></td>
</tr><tr class="code-line">
<td class="line-num">316</td>
<td class="line-indicator"></td>
<td class="code-content"><pre></pre></td>
</tr><tr class="code-line">
<td class="line-num">317</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> new(id: Int, email: String, name: String) {</pre></td>
</tr><tr class="code-line">
<td class="line-num">318</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> this.id = id;</pre></td>
</tr><tr class="code-line">
<td class="line-num">319</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> this.email = email;</pre></td>
</tr><tr class="code-line">
<td class="line-num">320</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> this.name = name;</pre></td>
</tr><tr class="code-line">
<td class="line-num">321</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> }</pre></td>
</tr><tr class="code-line">
<td class="line-num">322</td>
<td class="line-indicator"></td>
<td class="code-content"><pre></pre></td>
</tr><tr class="code-line">
<td class="line-num">323</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> fn get_id() -> Int {</pre></td>
</tr><tr class="code-line">
<td class="line-num">324</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> return this.id;</pre></td>
</tr><tr class="code-line">
<td class="line-num">325</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> }</pre></td>
</tr><tr class="code-line">
<td class="line-num">326</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> }</pre></td>
</tr><tr class="code-line">
<td class="line-num">327</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> let u = new User(1, "test@example.com", "Alice");</pre></td>
</tr><tr class="code-line">
<td class="line-num">328</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> assert_eq(u.get_id(), 1);</pre></td>
</tr><tr class="code-line">
<td class="line-num">329</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> assert_eq(u.email, "test@example.com");</pre></td>
</tr><tr class="code-line">
<td class="line-num">330</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> assert_eq(u.name, "Alice");</pre></td>
</tr><tr class="code-line">
<td class="line-num">331</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> });</pre></td>
</tr><tr class="code-line">
<td class="line-num">332</td>
<td class="line-indicator"></td>
<td class="code-content"><pre></pre></td>
</tr><tr class="code-line">
<td class="line-num">333</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> test("static private field", fn() {</pre></td>
</tr><tr class="code-line">
<td class="line-num">334</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> class SecureCounter {</pre></td>
</tr><tr class="code-line">
<td class="line-num">335</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> private static counter: Int = 0;</pre></td>
</tr><tr class="code-line">
<td class="line-num">336</td>
<td class="line-indicator"></td>
<td class="code-content"><pre></pre></td>
</tr><tr class="code-line">
<td class="line-num">337</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> static fn increment() {</pre></td>
</tr><tr class="code-line">
<td class="line-num">338</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> SecureCounter.counter = SecureCounter.counter + 1;</pre></td>
</tr><tr class="code-line">
<td class="line-num">339</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> }</pre></td>
</tr><tr class="code-line">
<td class="line-num">340</td>
<td class="line-indicator"></td>
<td class="code-content"><pre></pre></td>
</tr><tr class="code-line">
<td class="line-num">341</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> static fn get_count() -> Int {</pre></td>
</tr><tr class="code-line">
<td class="line-num">342</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> return SecureCounter.counter;</pre></td>
</tr><tr class="code-line">
<td class="line-num">343</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> }</pre></td>
</tr><tr class="code-line">
<td class="line-num">344</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> }</pre></td>
</tr><tr class="code-line">
<td class="line-num">345</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> assert_eq(SecureCounter.get_count(), 0);</pre></td>
</tr><tr class="code-line">
<td class="line-num">346</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> SecureCounter.increment();</pre></td>
</tr><tr class="code-line">
<td class="line-num">347</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> SecureCounter.increment();</pre></td>
</tr><tr class="code-line">
<td class="line-num">348</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> assert_eq(SecureCounter.get_count(), 2);</pre></td>
</tr><tr class="code-line">
<td class="line-num">349</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> });</pre></td>
</tr><tr class="code-line">
<td class="line-num">350</td>
<td class="line-indicator"></td>
<td class="code-content"><pre>});</pre></td>
</tr><tr class="code-line">
<td class="line-num">351</td>
<td class="line-indicator"></td>
<td class="code-content"><pre></pre></td>
</tr><tr class="code-line">
<td class="line-num">352</td>
<td class="line-indicator"></td>
<td class="code-content"><pre>describe("Native Static Methods", fn() {</pre></td>
</tr><tr class="code-line">
<td class="line-num">353</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> test("DateTime.now() returns current datetime", fn() {</pre></td>
</tr><tr class="code-line">
<td class="line-num">354</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> let now = DateTime.now();</pre></td>
</tr><tr class="code-line">
<td class="line-num">355</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> assert_not_null(now);</pre></td>
</tr><tr class="code-line">
<td class="line-num">356</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> assert_eq(type(now), "DateTime");</pre></td>
</tr><tr class="code-line">
<td class="line-num">357</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> });</pre></td>
</tr><tr class="code-line">
<td class="line-num">358</td>
<td class="line-indicator"></td>
<td class="code-content"><pre></pre></td>
</tr><tr class="code-line">
<td class="line-num">359</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> test("DateTime.parse() parses ISO string", fn() {</pre></td>
</tr><tr class="code-line">
<td class="line-num">360</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> let dt = DateTime.parse("2024-01-15T10:30:00Z");</pre></td>
</tr><tr class="code-line">
<td class="line-num">361</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> assert_not_null(dt);</pre></td>
</tr><tr class="code-line">
<td class="line-num">362</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> assert_eq(type(dt), "DateTime");</pre></td>
</tr><tr class="code-line">
<td class="line-num">363</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> });</pre></td>
</tr><tr class="code-line">
<td class="line-num">364</td>
<td class="line-indicator"></td>
<td class="code-content"><pre></pre></td>
</tr><tr class="code-line">
<td class="line-num">365</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> test("Duration.of_seconds() creates duration", fn() {</pre></td>
</tr><tr class="code-line">
<td class="line-num">366</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> let dur = Duration.of_seconds(120);</pre></td>
</tr><tr class="code-line">
<td class="line-num">367</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> assert_not_null(dur);</pre></td>
</tr><tr class="code-line">
<td class="line-num">368</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> assert_eq(type(dur), "Duration");</pre></td>
</tr><tr class="code-line">
<td class="line-num">369</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> });</pre></td>
</tr><tr class="code-line">
<td class="line-num">370</td>
<td class="line-indicator"></td>
<td class="code-content"><pre></pre></td>
</tr><tr class="code-line">
<td class="line-num">371</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> test("Duration.of_minutes() creates duration", fn() {</pre></td>
</tr><tr class="code-line">
<td class="line-num">372</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> let dur = Duration.of_minutes(5);</pre></td>
</tr><tr class="code-line">
<td class="line-num">373</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> assert_not_null(dur);</pre></td>
</tr><tr class="code-line">
<td class="line-num">374</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> });</pre></td>
</tr><tr class="code-line">
<td class="line-num">375</td>
<td class="line-indicator"></td>
<td class="code-content"><pre></pre></td>
</tr><tr class="code-line">
<td class="line-num">376</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> test("Duration.of_hours() creates duration", fn() {</pre></td>
</tr><tr class="code-line">
<td class="line-num">377</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> let dur = Duration.of_hours(2);</pre></td>
</tr><tr class="code-line">
<td class="line-num">378</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> assert_not_null(dur);</pre></td>
</tr><tr class="code-line">
<td class="line-num">379</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> });</pre></td>
</tr><tr class="code-line">
<td class="line-num">380</td>
<td class="line-indicator"></td>
<td class="code-content"><pre></pre></td>
</tr><tr class="code-line">
<td class="line-num">381</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> test("Duration.between() calculates difference", fn() {</pre></td>
</tr><tr class="code-line">
<td class="line-num">382</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> let dt1 = DateTime.parse("2024-01-15T10:00:00Z");</pre></td>
</tr><tr class="code-line">
<td class="line-num">383</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> let dt2 = DateTime.parse("2024-01-15T11:30:00Z");</pre></td>
</tr><tr class="code-line">
<td class="line-num">384</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> let dur = Duration.between(dt1, dt2);</pre></td>
</tr><tr class="code-line">
<td class="line-num">385</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> assert_not_null(dur);</pre></td>
</tr><tr class="code-line">
<td class="line-num">386</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> });</pre></td>
</tr><tr class="code-line">
<td class="line-num">387</td>
<td class="line-indicator"></td>
<td class="code-content"><pre>});</pre></td>
</tr>
</tbody>
</table>
</section>
</div>
</body>
</html>