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author | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
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committer | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
commit | 5f8de423f190bbb79a62f804151bc24824fa32d8 (patch) | |
tree | 10027f336435511475e392454359edea8e25895d /js/src/tests/js1_8_5/extensions/shell.js | |
parent | 49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff) | |
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Add m-esr52 at 52.6.0
Diffstat (limited to 'js/src/tests/js1_8_5/extensions/shell.js')
-rw-r--r-- | js/src/tests/js1_8_5/extensions/shell.js | 115 |
1 files changed, 115 insertions, 0 deletions
diff --git a/js/src/tests/js1_8_5/extensions/shell.js b/js/src/tests/js1_8_5/extensions/shell.js new file mode 100644 index 000000000..41bf0af07 --- /dev/null +++ b/js/src/tests/js1_8_5/extensions/shell.js @@ -0,0 +1,115 @@ +/* -*- indent-tabs-mode: nil; js-indent-level: 4 -*- */ +/* + * Any copyright is dedicated to the Public Domain. + * http://creativecommons.org/licenses/publicdomain/ + */ + + +// The Worker constructor can take a relative URL, but different test runners +// run in different enough environments that it doesn't all just automatically +// work. For the shell, we use just a filename; for the browser, see browser.js. +var workerDir = ''; + +// explicitly turn on js185 +// XXX: The browser currently only supports up to version 1.8 +if (typeof version != 'undefined') +{ + version(185); +} + +// Assert that cloning b does the right thing as far as we can tell. +// Caveat: getters in b must produce the same value each time they're +// called. We may call them several times. +// +// If desc is provided, then the very first thing we do to b is clone it. +// (The self-modifying object test counts on this.) +// +function clone_object_check(b, desc) { + function classOf(obj) { + return Object.prototype.toString.call(obj); + } + + function ownProperties(obj) { + return Object.getOwnPropertyNames(obj). + map(function (p) { return [p, Object.getOwnPropertyDescriptor(obj, p)]; }); + } + + function isCloneable(pair) { + return typeof pair[0] === 'string' && pair[1].enumerable; + } + + function notIndex(p) { + var u = p >>> 0; + return !("" + u == p && u != 0xffffffff); + } + + function assertIsCloneOf(a, b, path) { + assertEq(a === b, false); + + var ca = classOf(a); + assertEq(ca, classOf(b), path); + + assertEq(Object.getPrototypeOf(a), + ca == "[object Object]" ? Object.prototype : Array.prototype, + path); + + // 'b', the original object, may have non-enumerable or XMLName + // properties; ignore them. 'a', the clone, should not have any + // non-enumerable properties (except .length, if it's an Array) or + // XMLName properties. + var pb = ownProperties(b).filter(isCloneable); + var pa = ownProperties(a); + for (var i = 0; i < pa.length; i++) { + assertEq(typeof pa[i][0], "string", "clone should not have E4X properties " + path); + if (!pa[i][1].enumerable) { + if (Array.isArray(a) && pa[i][0] == "length") { + // remove it so that the comparisons below will work + pa.splice(i, 1); + i--; + } else { + throw new Error("non-enumerable clone property " + uneval(pa[i][0]) + " " + path); + } + } + } + + // Check that, apart from properties whose names are array indexes, + // the enumerable properties appear in the same order. + var aNames = pa.map(function (pair) { return pair[1]; }).filter(notIndex); + var bNames = pa.map(function (pair) { return pair[1]; }).filter(notIndex); + assertEq(aNames.join(","), bNames.join(","), path); + + // Check that the lists are the same when including array indexes. + function byName(a, b) { a = a[0]; b = b[0]; return a < b ? -1 : a === b ? 0 : 1; } + pa.sort(byName); + pb.sort(byName); + assertEq(pa.length, pb.length, "should see the same number of properties " + path); + for (var i = 0; i < pa.length; i++) { + var aName = pa[i][0]; + var bName = pb[i][0]; + assertEq(aName, bName, path); + + var path2 = path + "." + aName; + var da = pa[i][1]; + var db = pb[i][1]; + assertEq(da.configurable, true, path2); + assertEq(da.writable, true, path2); + assertEq("value" in da, true, path2); + var va = da.value; + var vb = b[pb[i][0]]; + if (typeof va === "object" && va !== null) + queue.push([va, vb, path2]); + else + assertEq(va, vb, path2); + } + } + + var banner = "while testing clone of " + (desc || uneval(b)); + var a = deserialize(serialize(b)); + var queue = [[a, b, banner]]; + while (queue.length) { + var triple = queue.shift(); + assertIsCloneOf(triple[0], triple[1], triple[2]); + } + + return a; // for further testing +} |