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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 17:32:43 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 17:32:43 +0000
commit6bf0a5cb5034a7e684dcc3500e841785237ce2dd (patch)
treea68f146d7fa01f0134297619fbe7e33db084e0aa /testing/web-platform/tests/dom/ranges/Range-compareBoundaryPoints.html
parentInitial commit. (diff)
downloadthunderbird-6bf0a5cb5034a7e684dcc3500e841785237ce2dd.tar.xz
thunderbird-6bf0a5cb5034a7e684dcc3500e841785237ce2dd.zip
Adding upstream version 1:115.7.0.upstream/1%115.7.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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@@ -0,0 +1,182 @@
+<!doctype html>
+<title>Range.compareBoundaryPoints() tests</title>
+<link rel="author" title="Aryeh Gregor" href=ayg@aryeh.name>
+<meta name=timeout content=long>
+
+<div id=log></div>
+<script src=/resources/testharness.js></script>
+<script src=/resources/testharnessreport.js></script>
+<script src=../common.js></script>
+<script>
+"use strict";
+
+var testRangesCached = [];
+testRangesCached.push(document.createRange());
+testRangesCached[0].detach();
+for (var i = 0; i < testRangesShort.length; i++) {
+ try {
+ testRangesCached.push(rangeFromEndpoints(eval(testRangesShort[i])));
+ } catch(e) {
+ testRangesCached.push(null);
+ }
+}
+
+var testRangesCachedClones = [];
+testRangesCachedClones.push(document.createRange());
+testRangesCachedClones[0].detach();
+for (var i = 1; i < testRangesCached.length; i++) {
+ if (testRangesCached[i]) {
+ testRangesCachedClones.push(testRangesCached[i].cloneRange());
+ } else {
+ testRangesCachedClones.push(null);
+ }
+}
+
+// We want to run a whole bunch of extra tests with invalid "how" values (not
+// 0-3), but it's excessive to run them for every single pair of ranges --
+// there are too many of them. So just run them for a handful of the tests.
+var extraTests = [0, // detached
+ 1 + testRanges.indexOf("[paras[0].firstChild, 2, paras[0].firstChild, 8]"),
+ 1 + testRanges.indexOf("[paras[0].firstChild, 3, paras[3], 1]"),
+ 1 + testRanges.indexOf("[testDiv, 0, comment, 5]"),
+ 1 + testRanges.indexOf("[foreignDoc.documentElement, 0, foreignDoc.documentElement, 1]")];
+
+for (var i = 0; i < testRangesCached.length; i++) {
+ var range1 = testRangesCached[i];
+ var range1Desc = i + " " + (i == 0 ? "[detached]" : testRanges[i - 1]);
+ for (var j = 0; j <= testRangesCachedClones.length; j++) {
+ var range2;
+ var range2Desc;
+ if (j == testRangesCachedClones.length) {
+ range2 = range1;
+ range2Desc = "same as first range";
+ } else {
+ range2 = testRangesCachedClones[j];
+ range2Desc = j + " " + (j == 0 ? "[detached]" : testRanges[j - 1]);
+ }
+
+ var hows = [Range.START_TO_START, Range.START_TO_END, Range.END_TO_END,
+ Range.END_TO_START];
+ if (extraTests.indexOf(i) != -1 && extraTests.indexOf(j) != -1) {
+ // TODO: Make some type of reusable utility function to do this
+ // work.
+ hows.push(-1, 4, 5, NaN, -0, +Infinity, -Infinity);
+ [65536, -65536, 65536*65536, 0.5, -0.5, -72.5].forEach(function(addend) {
+ hows.push(-1 + addend, 0 + addend, 1 + addend,
+ 2 + addend, 3 + addend, 4 + addend);
+ });
+ hows.forEach(function(how) { hows.push(String(how)) });
+ hows.push("6.5536e4", null, undefined, true, false, "", "quasit");
+ }
+
+ for (var k = 0; k < hows.length; k++) {
+ var how = hows[k];
+ test(function() {
+ assert_not_equals(range1, null,
+ "Creating context range threw an exception");
+ assert_not_equals(range2, null,
+ "Creating argument range threw an exception");
+
+ // Convert how per WebIDL. TODO: Make some type of reusable
+ // utility function to do this work.
+ // "Let number be the result of calling ToNumber on the input
+ // argument."
+ var convertedHow = Number(how);
+
+ // "If number is NaN, +0, −0, +∞, or −∞, return +0."
+ if (isNaN(convertedHow)
+ || convertedHow == 0
+ || convertedHow == Infinity
+ || convertedHow == -Infinity) {
+ convertedHow = 0;
+ } else {
+ // "Let posInt be sign(number) * floor(abs(number))."
+ var posInt = (convertedHow < 0 ? -1 : 1) * Math.floor(Math.abs(convertedHow));
+
+ // "Let int16bit be posInt modulo 2^16; that is, a finite
+ // integer value k of Number type with positive sign and
+ // less than 2^16 in magnitude such that the mathematical
+ // difference of posInt and k is mathematically an integer
+ // multiple of 2^16."
+ //
+ // "Return int16bit."
+ convertedHow = posInt % 65536;
+ if (convertedHow < 0) {
+ convertedHow += 65536;
+ }
+ }
+
+ // Now to the actual algorithm.
+ // "If how is not one of
+ // START_TO_START,
+ // START_TO_END,
+ // END_TO_END, and
+ // END_TO_START,
+ // throw a "NotSupportedError" exception and terminate these
+ // steps."
+ if (convertedHow != Range.START_TO_START
+ && convertedHow != Range.START_TO_END
+ && convertedHow != Range.END_TO_END
+ && convertedHow != Range.END_TO_START) {
+ assert_throws_dom("NOT_SUPPORTED_ERR", function() {
+ range1.compareBoundaryPoints(how, range2);
+ }, "NotSupportedError required if first parameter doesn't convert to 0-3 per WebIDL");
+ return;
+ }
+
+ // "If context object's root is not the same as sourceRange's
+ // root, throw a "WrongDocumentError" exception and terminate
+ // these steps."
+ if (furthestAncestor(range1.startContainer) != furthestAncestor(range2.startContainer)) {
+ assert_throws_dom("WRONG_DOCUMENT_ERR", function() {
+ range1.compareBoundaryPoints(how, range2);
+ }, "WrongDocumentError required if the ranges don't share a root");
+ return;
+ }
+
+ // "If how is:
+ // START_TO_START:
+ // Let this point be the context object's start.
+ // Let other point be sourceRange's start.
+ // START_TO_END:
+ // Let this point be the context object's end.
+ // Let other point be sourceRange's start.
+ // END_TO_END:
+ // Let this point be the context object's end.
+ // Let other point be sourceRange's end.
+ // END_TO_START:
+ // Let this point be the context object's start.
+ // Let other point be sourceRange's end."
+ var thisPoint = convertedHow == Range.START_TO_START || convertedHow == Range.END_TO_START
+ ? [range1.startContainer, range1.startOffset]
+ : [range1.endContainer, range1.endOffset];
+ var otherPoint = convertedHow == Range.START_TO_START || convertedHow == Range.START_TO_END
+ ? [range2.startContainer, range2.startOffset]
+ : [range2.endContainer, range2.endOffset];
+
+ // "If the position of this point relative to other point is
+ // before
+ // Return −1.
+ // equal
+ // Return 0.
+ // after
+ // Return 1."
+ var position = getPosition(thisPoint[0], thisPoint[1], otherPoint[0], otherPoint[1]);
+ var expected;
+ if (position == "before") {
+ expected = -1;
+ } else if (position == "equal") {
+ expected = 0;
+ } else if (position == "after") {
+ expected = 1;
+ }
+
+ assert_equals(range1.compareBoundaryPoints(how, range2), expected,
+ "Wrong return value");
+ }, i + "," + j + "," + k + ": context range " + range1Desc + ", argument range " + range2Desc + ", how " + format_value(how));
+ }
+ }
+}
+
+testDiv.style.display = "none";
+</script>
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