52 lines
1.7 KiB
HTML
52 lines
1.7 KiB
HTML
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<!DOCTYPE html>
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<html>
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<body>
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<script src="../../resources/js-test-pre.js"></script>
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<script>
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description("Test that DOMRect's properties are on the prototype.");
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var rect = document.body.getBoundingClientRect();
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shouldBe("rect.__proto__", "DOMRect.prototype");
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shouldBe("rect.__proto__.__proto__", "DOMRectReadOnly.prototype");
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shouldBe("Object.getOwnPropertyNames(rect).length", "0");
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shouldBeFalse("Object.hasOwnProperty(rect, 'top')");
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shouldBeFalse("Object.hasOwnProperty(rect, 'right')");
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shouldBeFalse("Object.hasOwnProperty(rect, 'bottom')");
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shouldBeFalse("Object.hasOwnProperty(rect, 'left')");
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shouldBeFalse("Object.hasOwnProperty(rect, 'width')");
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shouldBeFalse("Object.hasOwnProperty(rect, 'height')");
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function checkAttributeGetter(prototype, propertyName)
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{
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descriptor = Object.getOwnPropertyDescriptor(prototype, propertyName);
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shouldBeType("descriptor.get", "Function");
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shouldBeTrue("descriptor.enumerable");
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shouldBeTrue("descriptor.configurable");
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}
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for (var propertyName of ['x', 'y', 'width', 'height']) {
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debug("");
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debug("* rect.__proto__." + propertyName);
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checkAttributeGetter(rect.__proto__, propertyName);
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debug("");
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debug("* DOMRect.prototype." + propertyName);
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checkAttributeGetter(DOMRect.prototype, propertyName);
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}
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for (var propertyName of ['x', 'y', 'width', 'height', 'top', 'right', 'bottom', 'left']) {
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debug("");
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debug("* rect.__proto__.__proto__." + propertyName);
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checkAttributeGetter(rect.__proto__.__proto__, propertyName);
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debug("");
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debug("* DOMRectReadonly.prototype." + propertyName);
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checkAttributeGetter(DOMRectReadOnly.prototype, propertyName);
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}
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debug("");
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</script>
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<script src="../../resources/js-test-post.js"></script>
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</body>
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</html>
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