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Issue 2560253004: IntersectionObserver: convert tests to testharness.js (Closed)
Patch Set: Address comments Created 3 years, 11 months ago
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1 <!DOCTYPE html> 1 <!DOCTYPE html>
2 <div id="root"></div> 2 <script src="../resources/testharness.js"></script>
3 <div id="target"></div> 3 <script src="../resources/testharnessreport.js"></script>
4 <script src="../resources/js-test.js"></script> 4
5 <script src="../resources/gc.js"></script>
6 <script> 5 <script>
7 description("Test for observer exceptions."); 6 test(function () {
8 var exc; 7 assert_throws(RangeError(), function() {
8 new IntersectionObserver(e => {}, {threshold: [1.1]})
9 })
10 }, "IntersectionObserver constructor with { threshold: [1.1] }");
9 11
10 try { 12 test(function () {
11 new IntersectionObserver(e => {}, {threshold: [1.1]}); 13 assert_throws(RangeError(), function() {
12 testFailed("IntersectionObserver constructor did not throw due to invalid th reshold."); 14 new IntersectionObserver(e => {}, {threshold: ["foo"]})
13 } catch(e) { 15 })
14 exc = e; 16 }, 'IntersectionObserver constructor with { threshold: ["foo"] }');
15 shouldBeType("exc", "RangeError");
16 }
17 17
18 try { 18 test(function () {
19 new IntersectionObserver(e => {}, {threshold: ["foo"]}); 19 assert_throws("SYNTAX_ERR", function() {
20 testFailed("IntersectionObserver constructor did not throw due to invalid th reshold."); 20 new IntersectionObserver(e => {}, {rootMargin: "1"})
21 } catch(e) { 21 })
22 exc = e; 22 }, 'IntersectionObserver constructor witth { rootMargin: "1" }');
23 shouldBeType("exc", "RangeError");
24 }
25 23
26 try { 24 test(function () {
27 new IntersectionObserver(e => {}, {rootMargin: "1"}); 25 assert_throws("SYNTAX_ERR", function() {
28 testFailed("IntersectionObserver constructor did not throw due to invalid ro otMargin."); 26 new IntersectionObserver(e => {}, {rootMargin: "2em"})
29 } catch(e) { 27 })
30 exc = e; 28 }, 'IntersectionObserver constructor with { rootMargin: "2em" }');
31 shouldBeType("exc", "DOMException");
32 shouldBe("exc.code", "DOMException.SYNTAX_ERR");
33 }
34 29
35 try { 30 test(function () {
36 new IntersectionObserver(e => {}, {rootMargin: "2em"}); 31 assert_throws("SYNTAX_ERR", function() {
37 testFailed("IntersectionObserver constructor did not throw due to invalid ro otMargin."); 32 new IntersectionObserver(e => {}, {rootMargin: "auto"})
38 } catch(e) { 33 })
39 exc = e; 34 }, 'IntersectionObserver constructor width { rootMargin: "auto" }');
40 shouldBeType("exc", "DOMException");
41 shouldBe("exc.code", "DOMException.SYNTAX_ERR");
42 }
43 35
44 try { 36 test(function () {
45 new IntersectionObserver(e => {}, {rootMargin: "auto"}); 37 assert_throws("SYNTAX_ERR", function() {
46 testFailed("IntersectionObserver constructor did not throw due to invalid ro otMargin."); 38 new IntersectionObserver(e => {}, {rootMargin: "1px 1px 1px 1px 1px"})
47 } catch(e) { 39 })
48 exc = e; 40 }, 'IntersectionObserver constructor with { rootMargin: "1px 1px 1px 1px 1px" }' );
49 shouldBeType("exc", "DOMException");
50 shouldBe("exc.code", "DOMException.SYNTAX_ERR");
51 }
52 41
53 try { 42 test(function () {
54 new IntersectionObserver(e => {}, {rootMargin: "1px 1px 1px 1px 1px"}); 43 assert_throws(TypeError(), function() {
55 testFailed("IntersectionObserver constructor did not throw due to too many r ootMargin value."); 44 let observer = new IntersectionObserver(c => {}, {});
56 } catch(e) {
57 exc = e;
58 shouldBeType("exc", "DOMException");
59 shouldBe("exc.code", "DOMException.SYNTAX_ERR");
60 }
61
62 let observer = new IntersectionObserver(c => {}, {});
63 try {
64 observer.observe("foo"); 45 observer.observe("foo");
65 testFailed("IntersectionObserver.observe with a bad target argument did not throw."); 46 })
66 } catch(e) { 47 }, 'IntersectionObserver.observe("foo")');
67 exc = e;
68 shouldBeType("exc", "TypeError");
69 }
70
71 // Initialize observer and remove root in an inner function to avoid
72 // references to rootDiv remaining live on this function's stack frame
73 // (http://crbug.com/595672/).
74 function initializeObserverThenRemoveRootDiv() {
75 let rootDiv = document.getElementById("root");
76 let observer = new IntersectionObserver(c => {}, {root: rootDiv});
77 rootDiv.parentNode.removeChild(rootDiv);
78 return observer;
79 }
80
81 observer = initializeObserverThenRemoveRootDiv();
82 gc();
83 observer.observe(target);
84 observer.unobserve(target);
85 observer.disconnect();
86 shouldBeEqualToNumber("0", observer.takeRecords().length);
87 </script> 48 </script>
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