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<h1>websocket_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>// WebSocket 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>// Tests for WebSocket functions</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">7</td>
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<td class="code-content"><pre>describe("WebSocket Connection Management", fn() {</pre></td>
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<td class="line-num">8</td>
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<td class="code-content"><pre> test("ws_clients() returns array of client IDs", fn() {</pre></td>
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<td class="line-num">9</td>
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<td class="code-content"><pre> let clients = ws_clients();</pre></td>
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<td class="line-num">10</td>
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<td class="code-content"><pre> assert_not_null(clients);</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></pre></td>
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<td class="line-num">13</td>
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<td class="code-content"><pre> test("ws_count() returns connection count", fn() {</pre></td>
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<td class="line-num">14</td>
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<td class="code-content"><pre> let count = ws_count();</pre></td>
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<td class="line-num">15</td>
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<td class="code-content"><pre> assert(count >= 0);</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></pre></td>
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<td class="line-num">18</td>
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<td class="code-content"><pre> test("ws_count() is consistent with clients", fn() {</pre></td>
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<td class="line-num">19</td>
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<td class="code-content"><pre> let clients = ws_clients();</pre></td>
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<td class="line-num">20</td>
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<td class="code-content"><pre> let count = ws_count();</pre></td>
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<td class="line-num">21</td>
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<td class="code-content"><pre> assert_eq(len(clients), count);</pre></td>
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<td class="line-num">22</td>
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<td class="code-content"><pre> });</pre></td>
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<td class="line-num">23</td>
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<td class="code-content"><pre>});</pre></td>
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<td class="line-num">24</td>
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<td class="code-content"><pre></pre></td>
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<td class="line-num">25</td>
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<td class="code-content"><pre>describe("WebSocket Send Functions", fn() {</pre></td>
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<td class="line-num">26</td>
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<td class="code-content"><pre> test("ws_send() sends message to client", fn() {</pre></td>
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<td class="line-num">27</td>
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<td class="code-content"><pre> let clients = ws_clients();</pre></td>
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<td class="line-num">28</td>
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<td class="code-content"><pre> if (len(clients) > 0) {</pre></td>
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<td class="line-num">29</td>
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<td class="code-content"><pre> let result = ws_send(clients[0], "test message");</pre></td>
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<td class="line-num">30</td>
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<td class="code-content"><pre> assert(result);</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></pre></td>
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<td class="line-num">34</td>
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<td class="code-content"><pre> test("ws_send() returns false for invalid client", fn() {</pre></td>
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<td class="line-num">35</td>
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<td class="code-content"><pre> let result = ws_send("invalid_client_id", "message");</pre></td>
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<td class="line-num">36</td>
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<td class="code-content"><pre> assert_not(result);</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> test("ws_broadcast() sends to all clients", fn() {</pre></td>
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<td class="line-num">40</td>
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<td class="code-content"><pre> let result = ws_broadcast("broadcast message");</pre></td>
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<td class="line-num">41</td>
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<td class="code-content"><pre> assert(result);</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("ws_broadcast_room() sends to channel", fn() {</pre></td>
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<td class="line-num">45</td>
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<td class="code-content"><pre> let result = ws_broadcast_room("general", "room message");</pre></td>
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<td class="line-num">46</td>
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<td class="code-content"><pre> assert(result);</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>});</pre></td>
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<td class="line-num">49</td>
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<td class="code-content"><pre></pre></td>
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<td class="line-num">50</td>
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<td class="code-content"><pre>describe("WebSocket Room Functions", fn() {</pre></td>
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<td class="line-num">51</td>
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<td class="code-content"><pre> test("ws_join() adds client to room", fn() {</pre></td>
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<td class="line-num">52</td>
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<td class="code-content"><pre> let clients = ws_clients();</pre></td>
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<td class="line-num">53</td>
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<td class="code-content"><pre> if (len(clients) > 0) {</pre></td>
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<td class="line-num">54</td>
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<td class="code-content"><pre> let result = ws_join(clients[0], "test_room");</pre></td>
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<td class="line-num">55</td>
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<td class="code-content"><pre> assert(result);</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> });</pre></td>
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<td class="line-num">58</td>
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<td class="code-content"><pre></pre></td>
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<td class="line-num">59</td>
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<td class="code-content"><pre> test("ws_leave() removes client from room", fn() {</pre></td>
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<td class="line-num">60</td>
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<td class="code-content"><pre> let clients = ws_clients();</pre></td>
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<td class="line-num">61</td>
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<td class="code-content"><pre> if (len(clients) > 0) {</pre></td>
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<td class="line-num">62</td>
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<td class="code-content"><pre> ws_join(clients[0], "test_room");</pre></td>
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<td class="line-num">63</td>
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<td class="code-content"><pre> let result = ws_leave(clients[0], "test_room");</pre></td>
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<td class="line-num">64</td>
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<td class="code-content"><pre> assert(result);</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></pre></td>
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<td class="line-num">68</td>
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<td class="code-content"><pre> test("ws_clients_in() returns clients in room", fn() {</pre></td>
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<td class="line-num">69</td>
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<td class="code-content"><pre> let clients_in = ws_clients_in("general");</pre></td>
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<td class="line-num">70</td>
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<td class="code-content"><pre> assert_not_null(clients_in);</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></pre></td>
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<td class="line-num">73</td>
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<td class="code-content"><pre> test("ws_clients_in() returns empty array for empty room", fn() {</pre></td>
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<td class="line-num">74</td>
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<td class="code-content"><pre> let clients_in = ws_clients_in("nonexistent_room_12345");</pre></td>
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<td class="line-num">75</td>
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<td class="code-content"><pre> assert_eq(len(clients_in), 0);</pre></td>
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<td class="line-num">76</td>
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<td class="code-content"><pre> });</pre></td>
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<td class="line-num">77</td>
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<td class="code-content"><pre>});</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>describe("WebSocket Close Functions", fn() {</pre></td>
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<td class="line-num">80</td>
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<td class="code-content"><pre> test("ws_close() closes connection", fn() {</pre></td>
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<td class="line-num">81</td>
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<td class="code-content"><pre> let clients = ws_clients();</pre></td>
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<td class="line-num">82</td>
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<td class="code-content"><pre> if (len(clients) > 0) {</pre></td>
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<td class="line-num">83</td>
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<td class="code-content"><pre> let result = ws_close(clients[0], "Connection closed");</pre></td>
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<td class="line-num">84</td>
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<td class="code-content"><pre> assert(result);</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></pre></td>
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<td class="line-num">88</td>
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<td class="code-content"><pre> test("ws_close() with reason", fn() {</pre></td>
</tr><tr class="code-line">
<td class="line-num">89</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> let clients = ws_clients();</pre></td>
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<td class="line-num">90</td>
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<td class="code-content"><pre> if (len(clients) > 0) {</pre></td>
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<td class="line-num">91</td>
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<td class="code-content"><pre> let result = ws_close(clients[0], "Test closure");</pre></td>
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<td class="line-num">92</td>
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<td class="code-content"><pre> assert(result);</pre></td>
</tr><tr class="code-line">
<td class="line-num">93</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> }</pre></td>
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<td class="line-num">94</td>
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<td class="code-content"><pre> });</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> test("ws_close() fails for invalid client", fn() {</pre></td>
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<td class="line-num">97</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> let result = ws_close("invalid_client", "reason");</pre></td>
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<td class="line-num">98</td>
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<td class="code-content"><pre> assert_not(result);</pre></td>
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<td class="line-num">99</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> });</pre></td>
</tr><tr class="code-line">
<td class="line-num">100</td>
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<td class="code-content"><pre>});</pre></td>
</tr><tr class="code-line">
<td class="line-num">101</td>
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<td class="code-content"><pre></pre></td>
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<td class="line-num">102</td>
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<td class="code-content"><pre>describe("WebSocket Broadcast Functions", fn() {</pre></td>
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<td class="line-num">103</td>
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<td class="code-content"><pre> test("ws_broadcast() handles empty message", fn() {</pre></td>
</tr><tr class="code-line">
<td class="line-num">104</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> let result = ws_broadcast("");</pre></td>
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<td class="line-num">105</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> assert(result);</pre></td>
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<td class="line-num">106</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> });</pre></td>
</tr><tr class="code-line">
<td class="line-num">107</td>
<td class="line-indicator"></td>
<td class="code-content"><pre></pre></td>
</tr><tr class="code-line">
<td class="line-num">108</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> test("ws_broadcast() handles JSON message", fn() {</pre></td>
</tr><tr class="code-line">
<td class="line-num">109</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> let data = hash();</pre></td>
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<td class="line-num">110</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> data["type"] = "test";</pre></td>
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<td class="line-num">111</td>
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<td class="code-content"><pre> data["value"] = 123;</pre></td>
</tr><tr class="code-line">
<td class="line-num">112</td>
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<td class="code-content"><pre> let result = ws_broadcast(data);</pre></td>
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<td class="line-num">113</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> assert(result);</pre></td>
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<td class="line-num">114</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> });</pre></td>
</tr><tr class="code-line">
<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> test("ws_broadcast_room() to specific room", fn() {</pre></td>
</tr><tr class="code-line">
<td class="line-num">117</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> let result = ws_broadcast_room("chat", "Hello chat!");</pre></td>
</tr><tr class="code-line">
<td class="line-num">118</td>
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<td class="code-content"><pre> assert(result);</pre></td>
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<td class="line-num">119</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> });</pre></td>
</tr><tr class="code-line">
<td class="line-num">120</td>
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<td class="code-content"><pre></pre></td>
</tr><tr class="code-line">
<td class="line-num">121</td>
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<td class="code-content"><pre> test("ws_broadcast_room() to nonexistent room", fn() {</pre></td>
</tr><tr class="code-line">
<td class="line-num">122</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> let result = ws_broadcast_room("nonexistent_room", "message");</pre></td>
</tr><tr class="code-line">
<td class="line-num">123</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> assert(result);</pre></td>
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<td class="line-num">124</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> });</pre></td>
</tr><tr class="code-line">
<td class="line-num">125</td>
<td class="line-indicator"></td>
<td class="code-content"><pre></pre></td>
</tr><tr class="code-line">
<td class="line-num">126</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> test("ws_broadcast_to() sends to specific client", fn() {</pre></td>
</tr><tr class="code-line">
<td class="line-num">127</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> let clients = ws_clients();</pre></td>
</tr><tr class="code-line">
<td class="line-num">128</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> if (len(clients) > 0) {</pre></td>
</tr><tr class="code-line">
<td class="line-num">129</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> let result = ws_broadcast_to(clients[0], "Direct message");</pre></td>
</tr><tr class="code-line">
<td class="line-num">130</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> assert(result);</pre></td>
</tr><tr class="code-line">
<td class="line-num">131</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> }</pre></td>
</tr><tr class="code-line">
<td class="line-num">132</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> });</pre></td>
</tr><tr class="code-line">
<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>describe("WebSocket Error Handling", fn() {</pre></td>
</tr><tr class="code-line">
<td class="line-num">136</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> test("ws_send() handles empty message", fn() {</pre></td>
</tr><tr class="code-line">
<td class="line-num">137</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> let clients = ws_clients();</pre></td>
</tr><tr class="code-line">
<td class="line-num">138</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> if (len(clients) > 0) {</pre></td>
</tr><tr class="code-line">
<td class="line-num">139</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> let result = ws_send(clients[0], "");</pre></td>
</tr><tr class="code-line">
<td class="line-num">140</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> assert(result);</pre></td>
</tr><tr class="code-line">
<td class="line-num">141</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> }</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> test("ws_send() handles large message", fn() {</pre></td>
</tr><tr class="code-line">
<td class="line-num">145</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> let clients = ws_clients();</pre></td>
</tr><tr class="code-line">
<td class="line-num">146</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> if (len(clients) > 0) {</pre></td>
</tr><tr class="code-line">
<td class="line-num">147</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> let large_message = "x" * 10000;</pre></td>
</tr><tr class="code-line">
<td class="line-num">148</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> let result = ws_send(clients[0], large_message);</pre></td>
</tr><tr class="code-line">
<td class="line-num">149</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> assert(result);</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> });</pre></td>
</tr><tr class="code-line">
<td class="line-num">152</td>
<td class="line-indicator"></td>
<td class="code-content"><pre></pre></td>
</tr><tr class="code-line">
<td class="line-num">153</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> test("ws_join() handles non-existent client", fn() {</pre></td>
</tr><tr class="code-line">
<td class="line-num">154</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> let result = ws_join("fake_client", "room");</pre></td>
</tr><tr class="code-line">
<td class="line-num">155</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> assert_not(result);</pre></td>
</tr><tr class="code-line">
<td class="line-num">156</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> });</pre></td>
</tr><tr class="code-line">
<td class="line-num">157</td>
<td class="line-indicator"></td>
<td class="code-content"><pre></pre></td>
</tr><tr class="code-line">
<td class="line-num">158</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> test("ws_leave() handles non-existent client", fn() {</pre></td>
</tr><tr class="code-line">
<td class="line-num">159</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> let result = ws_leave("fake_client", "room");</pre></td>
</tr><tr class="code-line">
<td class="line-num">160</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> assert_not(result);</pre></td>
</tr><tr class="code-line">
<td class="line-num">161</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> });</pre></td>
</tr><tr class="code-line">
<td class="line-num">162</td>
<td class="line-indicator"></td>
<td class="code-content"><pre>});</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>describe("WebSocket Status Functions", fn() {</pre></td>
</tr><tr class="code-line">
<td class="line-num">165</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> test("ws_is_connected() checks connection", fn() {</pre></td>
</tr><tr class="code-line">
<td class="line-num">166</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> let clients = ws_clients();</pre></td>
</tr><tr class="code-line">
<td class="line-num">167</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> if (len(clients) > 0) {</pre></td>
</tr><tr class="code-line">
<td class="line-num">168</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> assert(ws_is_connected(clients[0]));</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> });</pre></td>
</tr><tr class="code-line">
<td class="line-num">171</td>
<td class="line-indicator"></td>
<td class="code-content"><pre></pre></td>
</tr><tr class="code-line">
<td class="line-num">172</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> test("ws_is_connected() returns false for invalid client", fn() {</pre></td>
</tr><tr class="code-line">
<td class="line-num">173</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> assert_not(ws_is_connected("invalid_client"));</pre></td>
</tr><tr class="code-line">
<td class="line-num">174</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> });</pre></td>
</tr><tr class="code-line">
<td class="line-num">175</td>
<td class="line-indicator"></td>
<td class="code-content"><pre></pre></td>
</tr><tr class="code-line">
<td class="line-num">176</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> test("ws_last_activity() returns timestamp", fn() {</pre></td>
</tr><tr class="code-line">
<td class="line-num">177</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> let clients = ws_clients();</pre></td>
</tr><tr class="code-line">
<td class="line-num">178</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> if (len(clients) > 0) {</pre></td>
</tr><tr class="code-line">
<td class="line-num">179</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> let last = ws_last_activity(clients[0]);</pre></td>
</tr><tr class="code-line">
<td class="line-num">180</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> assert(last > 0);</pre></td>
</tr><tr class="code-line">
<td class="line-num">181</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> }</pre></td>
</tr><tr class="code-line">
<td class="line-num">182</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> });</pre></td>
</tr><tr class="code-line">
<td class="line-num">183</td>
<td class="line-indicator"></td>
<td class="code-content"><pre>});</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>describe("WebSocket Ping/Pong", fn() {</pre></td>
</tr><tr class="code-line">
<td class="line-num">186</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> test("ws_ping() sends ping to client", fn() {</pre></td>
</tr><tr class="code-line">
<td class="line-num">187</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> let clients = ws_clients();</pre></td>
</tr><tr class="code-line">
<td class="line-num">188</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> if (len(clients) > 0) {</pre></td>
</tr><tr class="code-line">
<td class="line-num">189</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> let result = ws_ping(clients[0]);</pre></td>
</tr><tr class="code-line">
<td class="line-num">190</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> assert(result);</pre></td>
</tr><tr class="code-line">
<td class="line-num">191</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> }</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></pre></td>
</tr><tr class="code-line">
<td class="line-num">194</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> test("ws_pong() sends pong response", fn() {</pre></td>
</tr><tr class="code-line">
<td class="line-num">195</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> let clients = ws_clients();</pre></td>
</tr><tr class="code-line">
<td class="line-num">196</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> if (len(clients) > 0) {</pre></td>
</tr><tr class="code-line">
<td class="line-num">197</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> let result = ws_pong(clients[0]);</pre></td>
</tr><tr class="code-line">
<td class="line-num">198</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> assert(result);</pre></td>
</tr><tr class="code-line">
<td class="line-num">199</td>
<td class="line-indicator"></td>
<td class="code-content"><pre> }</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>});</pre></td>
</tr>
</tbody>
</table>
</section>
</div>
</body>
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