74 lines
2.6 KiB
HTML
74 lines
2.6 KiB
HTML
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<!DOCTYPE html>
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<head>
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<script src="../resources/js-test.js"></script>
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</head>
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<body>
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<p id="description"></p>
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<div id="container" style="width: 100px; overflow: scroll">
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<div style="border: 1px solid #000; width: 1000px; height: 5000px;">5000-pixel box</div>
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<button id="target1">Target</button>
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<button id="target2">Target</button>
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<button id="target3">Target</button>
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<div style="border: 1px solid #000; width: 1000px; height: 5000px;">5000-pixel box</div>
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</div>
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<div id="console"></div>
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<script>
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description("Tests that scrolling to make an element visible works when the inner scroll container doesn't need to be scrolled, but the other one does.");
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function runTest() {
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window.container = document.getElementById("container");
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window.target1 = document.getElementById("target1");
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window.target2 = document.getElementById("target2");
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window.target3 = document.getElementById("target3");
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var target1AccessibleObject;
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var target2AccessibleObject;
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var target3AccessibleObject;
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if (window.accessibilityController) {
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target1.focus();
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target1AccessibleObject = accessibilityController.focusedElement;
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target2.focus();
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target2AccessibleObject = accessibilityController.focusedElement;
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target3.focus();
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target3AccessibleObject = accessibilityController.focusedElement;
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}
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// Reset the initial scroll positions (since calling focus() can scroll the page too).
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window.scrollTo(0, 0);
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container.scrollTop = 0;
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shouldBeZero("window.pageYOffset");
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shouldBeZero("container.scrollTop");
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shouldBeGreaterThanOrEqual("target1.getBoundingClientRect().top", "5000");
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// Scroll to make the middle target visible.
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if (window.accessibilityController)
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target2AccessibleObject.scrollToMakeVisible();
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// Instead of testing the exact scroll offsets of the two containers, just test that
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// the new absolute position of the target is on-screen.
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shouldBeGreaterThanOrEqual("window.innerHeight", "target2.getBoundingClientRect().bottom");
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// Make sure that calling scrollToMakeVisible on target1 and target3 don't result in any
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// scrolling, because they should already be within the viewport.
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window.target2top = target2.getBoundingClientRect().top;
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if (window.accessibilityController)
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target1AccessibleObject.scrollToMakeVisible();
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shouldBe("target2top", "target2.getBoundingClientRect().top");
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if (window.accessibilityController)
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target3AccessibleObject.scrollToMakeVisible();
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shouldBe("target2top", "target2.getBoundingClientRect().top");
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finishJSTest();
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}
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runTest();
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</script>
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</body>
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</html>
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