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Issue 2046973003: IntersectionObserver: throw exceptions as spec mandates. (Closed) Base URL: https://chromium.googlesource.com/chromium/src@master
Patch Set: Created 4 years, 6 months ago
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1 <!DOCTYPE html> 1 <!DOCTYPE html>
2 <div id="root"></div> 2 <div id="root"></div>
3 <div id="target"></div>
3 <script src="../resources/js-test.js"></script> 4 <script src="../resources/js-test.js"></script>
4 <script src="../resources/gc.js"></script> 5 <script src="../resources/gc.js"></script>
5 <script> 6 <script>
6 description("Test for observer exceptions."); 7 description("Test for observer exceptions.");
7 let rootDiv = document.getElementById("root"); 8 let rootDiv = document.getElementById("root");
8 var exc; 9 var exc;
9 10
10 try { 11 try {
11 new IntersectionObserver(e => {}, {threshold: [1.1]}); 12 new IntersectionObserver(e => {}, {threshold: [1.1]});
12 testFailed("IntersectionObserver constructor did not throw due to invalid th reshold."); 13 testFailed("IntersectionObserver constructor did not throw due to invalid th reshold.");
(...skipping 30 matching lines...) Expand all
43 } 44 }
44 45
45 let observer = new IntersectionObserver(c => {}, {}); 46 let observer = new IntersectionObserver(c => {}, {});
46 try { 47 try {
47 observer.observe("foo"); 48 observer.observe("foo");
48 testFailed("IntersectionObserver.observe with a bad target argument did not throw."); 49 testFailed("IntersectionObserver.observe with a bad target argument did not throw.");
49 } catch(e) { 50 } catch(e) {
50 exc = e; 51 exc = e;
51 shouldBeType("exc", "TypeError"); 52 shouldBeType("exc", "TypeError");
52 } 53 }
54
55 observer = new IntersectionObserver(c => {}, {root: rootDiv});
56 rootDiv.parentNode.removeChild(rootDiv);
57 rootDiv = null;
58 gc();
59
60 try {
61 observer.observe(target);
62 testFailed("IntersectionObserver.observe() with a deleted root did not throw .");
63 } catch(e) {
64 exc = e;
65 shouldBeType("exc", "DOMException");
66 shouldBe("exc.code", "DOMException.INVALID_STATE_ERR");
67 }
68
69 try {
70 observer.unobserve(target);
71 testFailed("IntersectionObserver.unobserve() with a deleted root did not thr ow.");
72 } catch(e) {
73 exc = e;
74 shouldBeType("exc", "DOMException");
75 shouldBe("exc.code", "DOMException.INVALID_STATE_ERR");
76 }
77
78 try {
79 observer.disconnect();
80 testFailed("IntersectionObserver.disconnect() with a deleted root did not th row.");
81 } catch(e) {
82 exc = e;
83 shouldBeType("exc", "DOMException");
84 shouldBe("exc.code", "DOMException.INVALID_STATE_ERR");
85 }
86
87 try {
88 observer.takeRecords();
89 testFailed("IntersectionObserver.takeRecords() with a deleted root did not t hrow.");
90 } catch(e) {
91 exc = e;
92 shouldBeType("exc", "DOMException");
93 shouldBe("exc.code", "DOMException.INVALID_STATE_ERR");
94 }
53 </script> 95 </script>
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