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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
| commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
| tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /devtools/server/tests/chrome/test_overflowing-children.html | |
| parent | Initial commit. (diff) | |
| download | firefox-esr-upstream.tar.xz firefox-esr-upstream.zip | |
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'devtools/server/tests/chrome/test_overflowing-children.html')
| -rw-r--r-- | devtools/server/tests/chrome/test_overflowing-children.html | 131 |
1 files changed, 131 insertions, 0 deletions
diff --git a/devtools/server/tests/chrome/test_overflowing-children.html b/devtools/server/tests/chrome/test_overflowing-children.html new file mode 100644 index 0000000000..8ba81bec3d --- /dev/null +++ b/devtools/server/tests/chrome/test_overflowing-children.html @@ -0,0 +1,131 @@ +<!DOCTYPE HTML> +<html> +<!-- +Test InspectorUtils.GetOverflowingChildrenOfElement in various cases +--> +<head> +<meta charset="utf-8"> +<title>Test InspectorUtils.GetOverflowingChildrenOfElement</title> +<script src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"></script> +<style> +/* "e" is our custom tag name for "element" */ +e { + background: lightgray; + display: inline-block; + margin: 10px; + padding: 0; + border: 0; + width: 100px; + height: 100px; + overflow: auto; +} + +/* "c" is our custom tag name for "child" */ +c { + display: block; + background: green; +} + +.fixedSize { + width: 10px; + height: 10px; +} + +.target { + background: red; +} +</style> + +<script> +'use strict'; + +SimpleTest.waitForExplicitFinish(); +const InspectorUtils = SpecialPowers.InspectorUtils; + +const CASES = [ + {id: "no_children", expected: 0}, + {id: "one_child_no_overflow", expected: 0}, + {id: "margin_left_overflow", expected: 1}, + {id: "transform_overflow", expected: 1}, + {id: "nested_overflow", expected: 1}, + {id: "intermediate_overflow", expected: 1}, + {id: "multiple_overflow_at_different_depths", expected: 2}, +]; + +function runTests() { + // Assign each child element to an inner id so each of them can be identified for testing. + Array.from(document.getElementsByTagName('c')).forEach((e, i) => {e.id = `inner${i}`}); + + for (const {id, expected} of CASES) { + info(`Checking element id ${id}.`); + + const element = document.getElementById(id); + if (!element) { + ok(false, `Expected to find element with id ${id}.`); + continue; + } + const overflowing_children = InspectorUtils.getOverflowingChildrenOfElement(element); + + is(overflowing_children.length, expected, `${id} has the expected number of children.`); + + // Check that each child has the "target" class. Otherwise, we're getting the + // wrong children. We don't check each child with a test function, because we + // don't want to needlessly inflate the number of test functions in the log. + // But if we find a child that *doesn't* have the class "target", we report + // that as a test failure. + for (const child of overflowing_children) { + // child is a Node, but not necessarily an Element. We want to get the containing + // Element so that we can use its classList, tagName, and id properties. + let e = child; + if (child.nodeType !== Node.ELEMENT_NODE) { + e = child.parentElement; + } + if (!e.classList.contains("target")) { + ok(false, `${id} is reporting this unexpected child as a target: ${e.tagName} id=${e.id}`); + } + } + } + + SimpleTest.finish(); +}; +window.onload = runTests; +</script> +</head> +<body onload="runTests()"> + +<e id="no_children"></e> + +<e id="one_child_no_overflow"> + <c></c> +</e> + +<e id="margin_left_overflow"> + <c class="target" style="margin-left:100px">abcd</c> +</e> + +<e id="transform_overflow"> + <c class="target" style="transform: translate(50px)">abcd</c> +</e> + +<e id="nested_overflow"> + <c> + <c class="target" style="margin-left:100px">abcd</c> + </c> +</e> + +<e id="intermediate_overflow"> + <c class="fixedSize target" style="margin-left:100px"> + <c></c> + </c> +</e> + +<e id="multiple_overflow_at_different_depths"> + <c class="fixedSize target" style="margin-left:100px"> + <c></c> + </c> + <c style="margin-left:100px"> + <c class="target">abcd</c> + </c> +</e> +</body> +</html> |