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<h1>edge_cases_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>// Edge Cases Test Suite</pre></td>
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<td class="code-content"><pre>// ============================================================================</pre></td>
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<td class="line-num">4</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("Edge Cases", fn() {</pre></td>
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<td class="line-num">6</td>
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<td class="code-content"><pre> test("empty block returns null", fn() {</pre></td>
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<td class="line-num">7</td>
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<td class="code-content"><pre> let result = {</pre></td>
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<td class="line-num">8</td>
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<td class="code-content"><pre> };</pre></td>
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<td class="line-num">9</td>
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<td class="code-content"><pre> assert_null(result);</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></pre></td>
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<td class="line-num">12</td>
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<td class="code-content"><pre> test("chained comparisons", fn() {</pre></td>
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<td class="line-num">13</td>
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<td class="code-content"><pre> let x = 5;</pre></td>
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<td class="line-num">14</td>
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<td class="code-content"><pre> assert(x > 0 && x < 10);</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></pre></td>
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<td class="line-num">17</td>
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<td class="code-content"><pre> test("deeply nested expressions", fn() {</pre></td>
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<td class="line-num">18</td>
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<td class="code-content"><pre> let result = ((1 + 2) * (3 + 4)) + ((5 - 2) * (8 / 4));</pre></td>
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<td class="line-num">19</td>
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<td class="code-content"><pre> assert_eq(result, 27);</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></pre></td>
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<td class="line-num">22</td>
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<td class="code-content"><pre> test("array of functions", fn() {</pre></td>
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<td class="line-num">23</td>
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<td class="code-content"><pre> let funcs = [</pre></td>
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<td class="line-num">24</td>
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<td class="code-content"><pre> fn(x) { return x + 1; },</pre></td>
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<td class="line-num">25</td>
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<td class="code-content"><pre> fn(x) { return x * 2; },</pre></td>
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<td class="line-num">26</td>
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<td class="code-content"><pre> fn(x) { return x - 3; }</pre></td>
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<td class="line-num">27</td>
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<td class="code-content"><pre> ];</pre></td>
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<td class="line-num">28</td>
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<td class="code-content"><pre> assert_eq(funcs[0](10), 11);</pre></td>
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<td class="line-num">29</td>
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<td class="code-content"><pre> assert_eq(funcs[1](10), 20);</pre></td>
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<td class="line-num">30</td>
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<td class="code-content"><pre> assert_eq(funcs[2](10), 7);</pre></td>
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<td class="line-num">31</td>
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<td class="code-content"><pre> });</pre></td>
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<td class="line-num">32</td>
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<td class="code-content"><pre></pre></td>
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<td class="line-num">33</td>
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<td class="code-content"><pre> test("hash of functions", fn() {</pre></td>
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<td class="line-num">34</td>
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<td class="code-content"><pre> let ops = {</pre></td>
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<td class="line-num">35</td>
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<td class="code-content"><pre> "add" => fn(a, b) { return a + b; },</pre></td>
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<td class="line-num">36</td>
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<td class="code-content"><pre> "sub" => fn(a, b) { return a - b; }</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> assert_eq(ops["add"](5, 3), 8);</pre></td>
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<td class="line-num">39</td>
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<td class="code-content"><pre> assert_eq(ops["sub"](5, 3), 2);</pre></td>
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<td class="line-num">40</td>
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<td class="code-content"><pre> });</pre></td>
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<td class="line-num">41</td>
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<td class="code-content"><pre></pre></td>
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<td class="line-num">42</td>
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<td class="code-content"><pre> test("method on literal", fn() {</pre></td>
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<td class="line-num">43</td>
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<td class="code-content"><pre> assert_eq(len("hello"), 5);</pre></td>
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<td class="line-num">44</td>
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<td class="code-content"><pre> assert_eq(len([1, 2, 3]), 3);</pre></td>
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<td class="line-num">45</td>
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<td class="code-content"><pre> });</pre></td>
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<td class="line-num">46</td>
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<td class="code-content"><pre></pre></td>
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<td class="line-num">47</td>
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<td class="code-content"><pre> test("boolean coercion in conditions", fn() {</pre></td>
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<td class="line-num">48</td>
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<td class="code-content"><pre> let result = "";</pre></td>
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<td class="line-num">49</td>
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<td class="code-content"><pre> if (1) { result = "truthy"; }</pre></td>
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<td class="line-num">50</td>
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<td class="code-content"><pre> assert_eq(result, "truthy");</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> result = "";</pre></td>
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<td class="line-num">53</td>
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<td class="code-content"><pre> if ("non-empty") { result = "truthy"; }</pre></td>
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<td class="line-num">54</td>
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<td class="code-content"><pre> assert_eq(result, "truthy");</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></pre></td>
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<td class="line-num">57</td>
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<td class="code-content"><pre> test("zero and empty string are truthy in conditions", fn() {</pre></td>
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<td class="line-num">58</td>
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<td class="code-content"><pre> let x = 0;</pre></td>
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<td class="line-num">59</td>
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<td class="code-content"><pre> let s = "";</pre></td>
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<td class="line-num">60</td>
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<td class="code-content"><pre> let executed = false;</pre></td>
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<td class="line-num">61</td>
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<td class="code-content"><pre> if (x) { executed = true; }</pre></td>
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<td class="line-num">62</td>
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<td class="code-content"><pre> assert_not(executed);</pre></td>
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<td class="line-num">63</td>
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<td class="code-content"><pre> executed = false;</pre></td>
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<td class="line-num">64</td>
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<td class="code-content"><pre> if (s) { executed = true; }</pre></td>
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<td class="line-num">65</td>
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<td class="code-content"><pre> assert_not(executed);</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></pre></td>
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<td class="line-num">68</td>
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<td class="code-content"><pre> test("null handling", fn() {</pre></td>
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<td class="line-num">69</td>
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<td class="code-content"><pre> let n = null;</pre></td>
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<td class="line-num">70</td>
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<td class="code-content"><pre> assert_null(n);</pre></td>
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<td class="line-num">71</td>
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<td class="code-content"><pre> assert_not_null(42);</pre></td>
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<td class="line-num">72</td>
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<td class="code-content"><pre> });</pre></td>
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<td class="line-num">73</td>
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<td class="code-content"><pre></pre></td>
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<td class="line-num">74</td>
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<td class="code-content"><pre> test("negative index handling", fn() {</pre></td>
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<td class="line-num">75</td>
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<td class="code-content"><pre> let arr = [1, 2, 3];</pre></td>
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<td class="line-num">76</td>
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<td class="code-content"><pre> assert_eq(arr[-1], 3);</pre></td>
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<td class="line-num">77</td>
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<td class="code-content"><pre> assert_eq(arr[-2], 2);</pre></td>
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<td class="line-num">78</td>
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<td class="code-content"><pre> assert_eq(arr[-3], 1);</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> test("large numbers", fn() {</pre></td>
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<td class="line-num">82</td>
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<td class="code-content"><pre> let large = 1000000;</pre></td>
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<td class="line-num">83</td>
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<td class="code-content"><pre> let very_large = large * large;</pre></td>
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<td class="line-num">84</td>
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<td class="code-content"><pre> assert_eq(very_large, 1000000000000);</pre></td>
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<td class="line-num">85</td>
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<td class="code-content"><pre> });</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> test("floating point precision", fn() {</pre></td>
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<td class="line-num">88</td>
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<td class="code-content"><pre> let a = 0.1 + 0.2;</pre></td>
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<td class="line-num">89</td>
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<td class="code-content"><pre> assert(a > 0.29 && a < 0.31);</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></pre></td>
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<td class="line-num">92</td>
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<td class="code-content"><pre> test("unicode in strings", fn() {</pre></td>
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<td class="line-num">93</td>
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<td class="code-content"><pre> let unicode_str = "Hello 世界 🌍";</pre></td>
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<td class="line-num">94</td>
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<td class="code-content"><pre> assert_eq(len(unicode_str), 9);</pre></td>
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<td class="line-num">95</td>
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<td class="code-content"><pre> assert_contains(unicode_str, "世界");</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></pre></td>
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<td class="line-num">98</td>
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<td class="code-content"><pre> test("empty array and hash", fn() {</pre></td>
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<td class="line-num">99</td>
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<td class="code-content"><pre> let empty_arr = [];</pre></td>
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<td class="line-num">100</td>
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<td class="code-content"><pre> let empty_hash = hash();</pre></td>
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<td class="line-num">101</td>
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<td class="code-content"><pre> assert_eq(len(empty_arr), 0);</pre></td>
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<td class="line-num">102</td>
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<td class="code-content"><pre> assert_eq(len(empty_hash), 0);</pre></td>
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<td class="line-num">103</td>
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<td class="code-content"><pre> });</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> test("shadowing with same name", fn() {</pre></td>
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<td class="line-num">106</td>
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<td class="code-content"><pre> let x = 1;</pre></td>
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<td class="line-num">107</td>
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<td class="code-content"><pre> let x = 2;</pre></td>
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<td class="line-num">108</td>
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<td class="code-content"><pre> assert_eq(x, 2);</pre></td>
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<td class="line-num">109</td>
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<td class="code-content"><pre> });</pre></td>
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<td class="line-num">110</td>
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<td class="code-content"><pre>});</pre></td>
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