111 lines
5.4 KiB
HTML
111 lines
5.4 KiB
HTML
<!doctype html>
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<meta charset=utf-8>
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<title></title>
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<script src=/resources/testharness.js></script>
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<script src=/resources/testharnessreport.js></script>
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<div id=log></div>
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<div id="parent" style="overflow:scroll; height: 100px; position: relative">
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<div id="spacer" style="height: 200px"></div>
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<div id="child"></div>
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<div id="absolute-child" style="position: absolute; top: 41px; left: 43px"></div>
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</div>
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<script>
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test(function() {
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var child = document.getElementById("child");
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assert_equals(child.offsetTop, 200, "Child is after spacer");
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assert_equals(child.offsetLeft, 0, "Child is flush left");
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var absChild = document.getElementById("absolute-child");
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assert_equals(absChild.offsetTop, 41, "Abspos child is y-positioned");
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assert_equals(absChild.offsetLeft, 43, "Abspos child is x-positioned");
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}, "Basic functionality");
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test(function() {
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var parent = document.getElementById("parent");
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parent.scrollTop = 100;
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var child = document.getElementById("child");
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assert_equals(child.offsetTop, 200, "Child is after spacer");
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assert_equals(child.offsetLeft, 0, "Child is flush left");
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var absChild = document.getElementById("absolute-child");
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assert_equals(absChild.offsetTop, 41, "Abspos child is y-positioned");
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assert_equals(absChild.offsetLeft, 43, "Abspos child is x-positioned");
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}, "Basic functionality in scrolled parent");
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test(function() {
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var child = document.getElementById("child");
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child.style.marginTop = "20px"
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child.style.marginLeft = "100px";
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assert_equals(child.offsetTop, 220, "Child is after spacer and margin");
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assert_equals(child.offsetLeft, 100, "Child is 100px from left");
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var absChild = document.getElementById("absolute-child");
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absChild.style.marginTop = "20px"
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absChild.style.marginLeft = "100px";
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assert_equals(absChild.offsetTop, 61, "Abspos child is y-positioned and has margin");
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assert_equals(absChild.offsetLeft, 143, "Abspos child is x-positioned and has margin");
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}, "Margins on child");
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test(function() {
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var parent = document.getElementById("parent");
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parent.style.marginTop = "66px"
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parent.style.marginLeft = "33px";
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var child = document.getElementById("child");
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assert_equals(child.offsetTop, 220, "Child is after spacer and margin");
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assert_equals(child.offsetLeft, 100, "Child is 100px from left");
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var absChild = document.getElementById("absolute-child");
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assert_equals(absChild.offsetTop, 61, "Abspos child is y-positioned and has margin");
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assert_equals(absChild.offsetLeft, 143, "Abspos child is x-positioned and has margin");
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}, "Margins on child and parent");
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test(function() {
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var child = document.getElementById("child");
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child.style.borderTop = "13px solid green";
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child.style.borderLeft = "7px solid green";
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assert_equals(child.offsetTop, 220, "Child is after spacer and margin");
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assert_equals(child.offsetLeft, 100, "Child is 100px from left");
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var absChild = document.getElementById("absolute-child");
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absChild.style.borderTop = "13px solid green";
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absChild.style.borderLeft = "7px solid green";
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assert_equals(absChild.offsetTop, 61, "Abspos child is y-positioned and has margin");
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assert_equals(absChild.offsetLeft, 143, "Abspos child is x-positioned and has margin");
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}, "Margins on child and parent, border on child");
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test(function() {
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var parent = document.getElementById("parent");
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parent.style.borderTop = "23px solid yellow";
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parent.style.borderLeft = "19px solid yellow";
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var child = document.getElementById("child");
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assert_equals(child.offsetTop, 220, "Child is after spacer and margin");
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assert_equals(child.offsetLeft, 100, "Child is 100px from left");
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var absChild = document.getElementById("absolute-child");
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assert_equals(absChild.offsetTop, 61, "Abspos child is y-positioned and has margin");
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assert_equals(absChild.offsetLeft, 143, "Abspos child is x-positioned and has margin");
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}, "Margins on child and parent, border on child and parent");
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test(function() {
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var child = document.getElementById("child");
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child.style.paddingTop = "31px";
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child.style.paddingLeft = "37px";
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assert_equals(child.offsetTop, 220, "Child is after spacer and margin");
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assert_equals(child.offsetLeft, 100, "Child is 100px from left");
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var absChild = document.getElementById("absolute-child");
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absChild.style.paddingTop = "31px";
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absChild.style.paddingLeft = "37px";
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assert_equals(absChild.offsetTop, 61, "Abspos child is y-positioned and has margin");
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assert_equals(absChild.offsetLeft, 143, "Abspos child is x-positioned and has margin");
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}, "Margins on child and parent, border on child and parent, padding on child");
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test(function() {
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var parent = document.getElementById("parent");
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parent.style.paddingTop = "31px";
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parent.style.paddingLeft = "37px";
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var child = document.getElementById("child");
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assert_equals(child.offsetTop, 251, "Child is after spacer and margin and parent padding");
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assert_equals(child.offsetLeft, 137, "Child is 100px + parent padding from left");
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var absChild = document.getElementById("absolute-child");
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// Padding on the parent does not affect the position of the absolute containing block.
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assert_equals(absChild.offsetTop, 61, "Abspos child is y-positioned and has margin");
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assert_equals(absChild.offsetLeft, 143, "Abspos child is x-positioned and has margin");
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}, "Margins on child and parent, border on child and parent, padding on child and parent");
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</script>
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