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<h1>hashes_builtin_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>// Hash Functions 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="code-content"><pre>describe("Hash Functions", fn() {</pre></td>
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<td class="code-content"><pre> test("hash() creates empty hash", fn() {</pre></td>
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<td class="code-content"><pre> let h = hash();</pre></td>
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<td class="line-num">8</td>
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<td class="code-content"><pre> assert_eq(type(h), "hash");</pre></td>
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<td class="line-num">9</td>
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<td class="code-content"><pre> assert_eq(len(h), 0);</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("len() returns hash size", fn() {</pre></td>
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<td class="code-content"><pre> let h = hash();</pre></td>
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<td class="line-num">14</td>
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<td class="code-content"><pre> h["a"] = 1;</pre></td>
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<td class="line-num">15</td>
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<td class="code-content"><pre> h["b"] = 2;</pre></td>
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<td class="line-num">16</td>
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<td class="code-content"><pre> assert_eq(len(h), 2);</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">19</td>
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<td class="code-content"><pre> test("keys() returns all keys", fn() {</pre></td>
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<td class="line-num">20</td>
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<td class="code-content"><pre> let h = hash();</pre></td>
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<td class="line-num">21</td>
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<td class="code-content"><pre> h["a"] = 1;</pre></td>
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<td class="line-num">22</td>
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<td class="code-content"><pre> h["b"] = 2;</pre></td>
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<td class="code-content"><pre> let k = keys(h);</pre></td>
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<td class="line-num">24</td>
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<td class="code-content"><pre> assert_eq(len(k), 2);</pre></td>
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<td class="line-num">25</td>
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<td class="code-content"><pre> assert_contains(k, "a");</pre></td>
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<td class="line-num">26</td>
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<td class="code-content"><pre> assert_contains(k, "b");</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="code-content"><pre></pre></td>
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<td class="line-num">29</td>
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<td class="code-content"><pre> test("values() returns all values", fn() {</pre></td>
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<td class="line-num">30</td>
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<td class="code-content"><pre> let h = hash();</pre></td>
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<td class="line-num">31</td>
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<td class="code-content"><pre> h["a"] = 1;</pre></td>
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<td class="line-num">32</td>
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<td class="code-content"><pre> h["b"] = 2;</pre></td>
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<td class="line-num">33</td>
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<td class="code-content"><pre> let v = values(h);</pre></td>
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<td class="line-num">34</td>
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<td class="code-content"><pre> assert_eq(len(v), 2);</pre></td>
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<td class="code-content"><pre> assert_contains(v, 1);</pre></td>
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<td class="line-num">36</td>
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<td class="code-content"><pre> assert_contains(v, 2);</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="code-content"><pre></pre></td>
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<td class="line-num">39</td>
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<td class="code-content"><pre> test("has_key() checks for key existence", fn() {</pre></td>
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<td class="line-num">40</td>
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<td class="code-content"><pre> let h = hash();</pre></td>
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<td class="line-num">41</td>
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<td class="code-content"><pre> h["a"] = 1;</pre></td>
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<td class="line-num">42</td>
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<td class="code-content"><pre> assert(has_key(h, "a"));</pre></td>
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<td class="line-num">43</td>
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<td class="code-content"><pre> assert_not(has_key(h, "b"));</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">46</td>
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<td class="code-content"><pre> test("delete() removes key from hash", fn() {</pre></td>
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<td class="line-num">47</td>
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<td class="code-content"><pre> let h = hash();</pre></td>
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<td class="line-num">48</td>
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<td class="code-content"><pre> h["a"] = 1;</pre></td>
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<td class="line-num">49</td>
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<td class="code-content"><pre> h["b"] = 2;</pre></td>
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<td class="line-num">50</td>
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<td class="code-content"><pre> let deleted = delete(h, "a");</pre></td>
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<td class="line-num">51</td>
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<td class="code-content"><pre> assert_eq(deleted, 1);</pre></td>
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<td class="line-num">52</td>
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<td class="code-content"><pre> assert_not(has_key(h, "a"));</pre></td>
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<td class="line-num">53</td>
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<td class="code-content"><pre> assert_eq(len(h), 1);</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> test("merge() combines two hashes", fn() {</pre></td>
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<td class="line-num">57</td>
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<td class="code-content"><pre> let h1 = hash();</pre></td>
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<td class="line-num">58</td>
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<td class="code-content"><pre> h1["a"] = 1;</pre></td>
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<td class="line-num">59</td>
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<td class="code-content"><pre> let h2 = hash();</pre></td>
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<td class="line-num">60</td>
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<td class="code-content"><pre> h2["b"] = 2;</pre></td>
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<td class="line-num">61</td>
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<td class="code-content"><pre> let merged = merge(h1, h2);</pre></td>
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<td class="line-num">62</td>
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<td class="code-content"><pre> assert_eq(len(merged), 2);</pre></td>
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<td class="line-num">63</td>
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<td class="code-content"><pre> assert_eq(merged["a"], 1);</pre></td>
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<td class="line-num">64</td>
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<td class="code-content"><pre> assert_eq(merged["b"], 2);</pre></td>
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<td class="line-num">65</td>
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<td class="code-content"><pre> });</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> test("entries() returns key-value pairs", fn() {</pre></td>
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<td class="line-num">68</td>
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<td class="code-content"><pre> let h = hash();</pre></td>
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<td class="line-num">69</td>
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<td class="code-content"><pre> h["a"] = 1;</pre></td>
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<td class="line-num">70</td>
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<td class="code-content"><pre> let e = entries(h);</pre></td>
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<td class="line-num">71</td>
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<td class="code-content"><pre> assert_eq(len(e), 1);</pre></td>
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<td class="line-num">72</td>
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<td class="code-content"><pre> assert_eq(e[0][0], "a");</pre></td>
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<td class="line-num">73</td>
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<td class="code-content"><pre> assert_eq(e[0][1], 1);</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> test("from_entries() creates hash from pairs", fn() {</pre></td>
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<td class="line-num">77</td>
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<td class="code-content"><pre> let pairs = [["a", 1], ["b", 2]];</pre></td>
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<td class="line-num">78</td>
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<td class="code-content"><pre> let h = from_entries(pairs);</pre></td>
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<td class="line-num">79</td>
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<td class="code-content"><pre> assert_eq(h["a"], 1);</pre></td>
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<td class="line-num">80</td>
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<td class="code-content"><pre> assert_eq(h["b"], 2);</pre></td>
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<td class="line-num">81</td>
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<td class="code-content"><pre> });</pre></td>
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<td class="line-num">82</td>
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<td class="code-content"><pre></pre></td>
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<td class="line-num">83</td>
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<td class="code-content"><pre> test("clear() removes all entries", fn() {</pre></td>
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<td class="line-num">84</td>
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<td class="code-content"><pre> let h = hash();</pre></td>
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<td class="line-num">85</td>
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<td class="code-content"><pre> h["a"] = 1;</pre></td>
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<td class="line-num">86</td>
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<td class="code-content"><pre> h["b"] = 2;</pre></td>
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<td class="line-num">87</td>
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<td class="code-content"><pre> clear(h);</pre></td>
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<td class="line-num">88</td>
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<td class="code-content"><pre> assert_eq(len(h), 0);</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("assert_hash_has_key works", fn() {</pre></td>
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<td class="line-num">92</td>
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<td class="code-content"><pre> let h = hash();</pre></td>
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<td class="line-num">93</td>
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<td class="code-content"><pre> h["key"] = "value";</pre></td>
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<td class="line-num">94</td>
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<td class="code-content"><pre> assert_hash_has_key(h, "key");</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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