3bbcab1ca9
TEST=mjsunit/math-floor Review URL: http://codereview.chromium.org/6835021 git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@7613 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
279 lines
7.2 KiB
JavaScript
279 lines
7.2 KiB
JavaScript
// Copyright 2008 the V8 project authors. All rights reserved.
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following
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// disclaimer in the documentation and/or other materials provided
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// with the distribution.
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived
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// from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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function MjsUnitAssertionError(message) {
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this.message = message;
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// This allows fetching the stack trace using TryCatch::StackTrace.
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this.stack = new Error("").stack;
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}
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/*
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* This file is included in all mini jsunit test cases. The test
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* framework expects lines that signal failed tests to start with
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* the f-word and ignore all other lines.
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*/
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MjsUnitAssertionError.prototype.toString = function () {
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return this.message;
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};
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function classOf(object) {
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var string = Object.prototype.toString.call(object);
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// String has format [object <ClassName>].
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return string.substring(8, string.length - 1);
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}
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function MjsUnitToString(value) {
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switch (typeof value) {
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case "string":
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return JSON.stringify(value);
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case "number":
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if (value === 0 && (1 / value) < 0) return "-0";
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// FALLTHROUGH.
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case "boolean":
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case "undefined":
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case "function":
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return String(value);
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case "object":
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if (value === null) return "null";
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var objectClass = classOf(value);
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switch (objectClass) {
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case "Number":
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case "String":
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case "Boolean":
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case "Date":
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return objectClass + "(" + MjsUnitToString(value.valueOf()) + ")";
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case "RegExp":
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return value.toString();
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case "Array":
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return "[" + value.map(MjsUnitArrayElementToString).join(",") + "]";
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case "Object":
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break;
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default:
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return objectClass + "()";
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}
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// [[Class]] is "Object".
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var constructor = value.constructor.name;
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if (name) return name + "()";
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return "Object()";
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default:
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return "-- unknown value --";
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}
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}
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function MjsUnitArrayElementToString(value, index, array) {
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if (value === undefined && !(index in array)) return "";
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return MjsUnitToString(value);
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}
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function fail(expected, found, name_opt) {
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var message = "Fail" + "ure";
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if (name_opt) {
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// Fix this when we ditch the old test runner.
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message += " (" + name_opt + ")";
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}
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message += ": expected <" + MjsUnitToString(expected) +
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"> found <" + MjsUnitToString(found) + ">";
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throw new MjsUnitAssertionError(message);
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}
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function deepObjectEquals(a, b) {
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var aProps = [];
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for (var key in a) {
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aProps.push(key);
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}
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var bProps = [];
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for (key in b) {
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bProps.push(key);
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}
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aProps.sort();
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bProps.sort();
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if (!deepEquals(aProps, bProps))
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return false;
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for (var i = 0; i < aProps.length; i++) {
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if (!deepEquals(a[aProps[i]], b[aProps[i]]))
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return false;
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}
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return true;
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}
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function deepEquals(a, b) {
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if (a == b) {
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// Check for -0.
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if (a === 0 && b === 0) return (1 / a) === (1 / b);
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return true;
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}
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if (typeof a == "number" && typeof b == "number" && isNaN(a) && isNaN(b)) {
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return true;
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}
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if (a == null || b == null) return false;
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var aClass = classOf(a);
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var bClass = classOf(b);
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if (aClass === "RegExp" || bClass === "RegExp") {
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return (aClass === bClass) && (a.toString() === b.toString());
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}
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if ((typeof a) !== 'object' || (typeof b) !== 'object' ||
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(a === null) || (b === null))
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return false;
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if (aClass === "Array") {
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if (bClass !== "Array")
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return false;
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if (a.length != b.length)
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return false;
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for (var i = 0; i < a.length; i++) {
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if (i in a) {
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if (!(i in b) || !(deepEquals(a[i], b[i])))
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return false;
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} else if (i in b) {
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return false;
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}
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}
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return true;
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} else if (bClass == "Array") {
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return false;
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} else {
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return deepObjectEquals(a, b);
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}
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}
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function assertSame(expected, found, name_opt) {
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if (found !== expected) {
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fail(expected, found, name_opt);
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}
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}
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function assertEquals(expected, found, name_opt) {
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if (!deepEquals(found, expected)) {
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fail(expected, found, name_opt);
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}
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}
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function assertArrayEquals(expected, found, name_opt) {
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var start = "";
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if (name_opt) {
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start = name_opt + " - ";
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}
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assertEquals(expected.length, found.length, start + "array length");
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if (expected.length == found.length) {
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for (var i = 0; i < expected.length; ++i) {
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assertEquals(expected[i], found[i], start + "array element at index " + i);
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}
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}
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}
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function assertTrue(value, name_opt) {
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assertEquals(true, value, name_opt);
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}
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function assertFalse(value, name_opt) {
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assertEquals(false, value, name_opt);
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}
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function assertNaN(value, name_opt) {
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if (!isNaN(value)) {
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fail("NaN", value, name_opt);
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}
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}
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function assertNull(value, name_opt) {
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if (value !== null) {
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fail("null", value, name_opt);
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}
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}
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function assertNotNull(value, name_opt) {
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if (value === null) {
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fail("not null", value, name_opt);
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}
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}
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function assertThrows(code, type_opt, cause_opt) {
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var threwException = true;
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try {
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if (typeof code == 'function') {
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code();
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} else {
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eval(code);
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}
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threwException = false;
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} catch (e) {
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if (typeof type_opt == 'function')
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assertInstanceof(e, type_opt);
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if (arguments.length >= 3)
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assertEquals(e.type, cause_opt);
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// Do nothing.
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}
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if (!threwException) assertTrue(false, "did not throw exception");
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}
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function assertInstanceof(obj, type) {
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if (!(obj instanceof type)) {
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assertTrue(false, "Object <" + obj + "> is not an instance of <" + type + ">");
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}
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}
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function assertDoesNotThrow(code) {
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try {
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if (typeof code == 'function') {
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code();
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} else {
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eval(code);
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}
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} catch (e) {
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assertTrue(false, "threw an exception: " + (e.message || e));
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}
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}
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function assertUnreachable(name_opt) {
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// Fix this when we ditch the old test runner.
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var message = "Fail" + "ure: unreachable";
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if (name_opt) {
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message += " - " + name_opt;
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}
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throw new MjsUnitAssertionError(message);
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}
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