| // Copyright 2008 the V8 project authors. All rights reserved. |
| // Redistribution and use in source and binary forms, with or without |
| // modification, are permitted provided that the following conditions are |
| // met: |
| // |
| // * Redistributions of source code must retain the above copyright |
| // notice, this list of conditions and the following disclaimer. |
| // * Redistributions in binary form must reproduce the above |
| // copyright notice, this list of conditions and the following |
| // disclaimer in the documentation and/or other materials provided |
| // with the distribution. |
| // * Neither the name of Google Inc. nor the names of its |
| // contributors may be used to endorse or promote products derived |
| // from this software without specific prior written permission. |
| // |
| // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| function MjsUnitAssertionError(message) { |
| this.message = message; |
| // This allows fetching the stack trace using TryCatch::StackTrace. |
| this.stack = new Error("").stack; |
| } |
| |
| /* |
| * This file is included in all mini jsunit test cases. The test |
| * framework expects lines that signal failed tests to start with |
| * the f-word and ignore all other lines. |
| */ |
| |
| |
| MjsUnitAssertionError.prototype.toString = function () { |
| return this.message; |
| }; |
| |
| |
| // Expected and found values the same objects, or the same primitive |
| // values. |
| // For known primitive values, please use assertEquals. |
| var assertSame; |
| |
| // Expected and found values are identical primitive values or functions |
| // or similarly structured objects (checking internal properties |
| // of, e.g., Number and Date objects, the elements of arrays |
| // and the properties of non-Array objects). |
| var assertEquals; |
| |
| // The found object is an Array with the same length and elements |
| // as the expected object. The expected object doesn't need to be an Array, |
| // as long as it's "array-ish". |
| var assertArrayEquals; |
| |
| // The found object must have the same enumerable properties as the |
| // expected object. The type of object isn't checked. |
| var assertPropertiesEqual; |
| |
| // Assert that the string conversion of the found value is equal to |
| // the expected string. Only kept for backwards compatability, please |
| // check the real structure of the found value. |
| var assertToStringEquals; |
| |
| // Checks that the found value is true. Use with boolean expressions |
| // for tests that doesn't have their own assertXXX function. |
| var assertTrue; |
| |
| // Checks that the found value is false. |
| var assertFalse; |
| |
| // Checks that the found value is null. Kept for historical compatibility, |
| // please just use assertEquals(null, expected). |
| var assertNull; |
| |
| // Checks that the found value is *not* null. |
| var assertNotNull; |
| |
| // Assert that the passed function or eval code throws an exception. |
| // The optional second argument is an exception constructor that the |
| // thrown exception is checked against with "instanceof". |
| // The optional third argument is a message type string that is compared |
| // to the type property on the thrown exception. |
| var assertThrows; |
| |
| // Assert that the passed function or eval code does not throw an exception. |
| var assertDoesNotThrow; |
| |
| // Asserts that the found value is an instance of the constructor passed |
| // as the second argument. |
| var assertInstanceof; |
| |
| // Assert that this code is never executed (i.e., always fails if executed). |
| var assertUnreachable; |
| |
| (function () { // Scope for utility functions. |
| |
| function classOf(object) { |
| // Argument must not be null or undefined. |
| var string = Object.prototype.toString.call(object); |
| // String has format [object <ClassName>]. |
| return string.substring(8, string.length - 1); |
| } |
| |
| |
| function PrettyPrint(value) { |
| switch (typeof value) { |
| case "string": |
| return JSON.stringify(value); |
| case "number": |
| if (value === 0 && (1 / value) < 0) return "-0"; |
| // FALLTHROUGH. |
| case "boolean": |
| case "undefined": |
| case "function": |
| return String(value); |
| case "object": |
| if (value === null) return "null"; |
| var objectClass = classOf(value); |
| switch (objectClass) { |
| case "Number": |
| case "String": |
| case "Boolean": |
| case "Date": |
| return objectClass + "(" + PrettyPrint(value.valueOf()) + ")"; |
| case "RegExp": |
| return value.toString(); |
| case "Array": |
| return "[" + value.map(PrettyPrintArrayElement).join(",") + "]"; |
| case "Object": |
| break; |
| default: |
| return objectClass + "()"; |
| } |
| // [[Class]] is "Object". |
| var name = value.constructor.name; |
| if (name) return name + "()"; |
| return "Object()"; |
| default: |
| return "-- unknown value --"; |
| } |
| } |
| |
| |
| function PrettyPrintArrayElement(value, index, array) { |
| if (value === undefined && !(index in array)) return ""; |
| return PrettyPrint(value); |
| } |
| |
| |
| function fail(expectedText, found, name_opt) { |
| var message = "Fail" + "ure"; |
| if (name_opt) { |
| // Fix this when we ditch the old test runner. |
| message += " (" + name_opt + ")"; |
| } |
| |
| message += ": expected <" + expectedText + |
| "> found <" + PrettyPrint(found) + ">"; |
| throw new MjsUnitAssertionError(message); |
| } |
| |
| |
| function deepObjectEquals(a, b) { |
| var aProps = Object.keys(a); |
| aProps.sort(); |
| var bProps = Object.keys(b); |
| bProps.sort(); |
| if (!deepEquals(aProps, bProps)) { |
| return false; |
| } |
| for (var i = 0; i < aProps.length; i++) { |
| if (!deepEquals(a[aProps[i]], b[aProps[i]])) { |
| return false; |
| } |
| } |
| return true; |
| } |
| |
| |
| function deepEquals(a, b) { |
| if (a === b) { |
| // Check for -0. |
| if (a === 0) return (1 / a) === (1 / b); |
| return true; |
| } |
| if (typeof a != typeof b) return false; |
| if (typeof a == "number") return isNaN(a) && isNaN(b); |
| if (typeof a !== "object" && typeof a !== "function") return false; |
| // Neither a nor b is primitive. |
| var objectClass = classOf(a); |
| if (objectClass !== classOf(b)) return false; |
| if (objectClass === "RegExp") { |
| // For RegExp, just compare pattern and flags using its toString. |
| return (a.toString() === b.toString()); |
| } |
| // Functions are only identical to themselves. |
| if (objectClass === "Function") return false; |
| if (objectClass === "Array") { |
| var elementCount = 0; |
| if (a.length != b.length) { |
| return false; |
| } |
| for (var i = 0; i < a.length; i++) { |
| if (!deepEquals(a[i], b[i])) return false; |
| } |
| return true; |
| } |
| if (objectClass == "String" || objectClass == "Number" || |
| objectClass == "Boolean" || objectClass == "Date") { |
| if (a.valueOf() !== b.valueOf()) return false; |
| } |
| return deepObjectEquals(a, b); |
| } |
| |
| |
| assertSame = function assertSame(expected, found, name_opt) { |
| // TODO(mstarzinger): We should think about using Harmony's egal operator |
| // or the function equivalent Object.is() here. |
| if (found === expected) { |
| if (expected !== 0 || (1 / expected) == (1 / found)) return; |
| } else if ((expected !== expected) && (found !== found)) { |
| return; |
| } |
| fail(PrettyPrint(expected), found, name_opt); |
| }; |
| |
| |
| assertEquals = function assertEquals(expected, found, name_opt) { |
| if (!deepEquals(found, expected)) { |
| fail(PrettyPrint(expected), found, name_opt); |
| } |
| }; |
| |
| |
| assertArrayEquals = function assertArrayEquals(expected, found, name_opt) { |
| var start = ""; |
| if (name_opt) { |
| start = name_opt + " - "; |
| } |
| assertEquals(expected.length, found.length, start + "array length"); |
| if (expected.length == found.length) { |
| for (var i = 0; i < expected.length; ++i) { |
| assertEquals(expected[i], found[i], |
| start + "array element at index " + i); |
| } |
| } |
| }; |
| |
| |
| assertPropertiesEqual = function assertPropertiesEqual(expected, found, |
| name_opt) { |
| // Check properties only. |
| if (!deepObjectEquals(expected, found)) { |
| fail(expected, found, name_opt); |
| } |
| }; |
| |
| |
| assertToStringEquals = function assertToStringEquals(expected, found, |
| name_opt) { |
| if (expected != String(found)) { |
| fail(expected, found, name_opt); |
| } |
| }; |
| |
| |
| assertTrue = function assertTrue(value, name_opt) { |
| assertEquals(true, value, name_opt); |
| }; |
| |
| |
| assertFalse = function assertFalse(value, name_opt) { |
| assertEquals(false, value, name_opt); |
| }; |
| |
| |
| assertNull = function assertNull(value, name_opt) { |
| if (value !== null) { |
| fail("null", value, name_opt); |
| } |
| }; |
| |
| |
| assertNotNull = function assertNotNull(value, name_opt) { |
| if (value === null) { |
| fail("not null", value, name_opt); |
| } |
| }; |
| |
| |
| assertThrows = function assertThrows(code, type_opt, cause_opt) { |
| var threwException = true; |
| try { |
| if (typeof code == 'function') { |
| code(); |
| } else { |
| eval(code); |
| } |
| threwException = false; |
| } catch (e) { |
| if (typeof type_opt == 'function') { |
| assertInstanceof(e, type_opt); |
| } |
| if (arguments.length >= 3) { |
| assertEquals(e.type, cause_opt); |
| } |
| // Success. |
| return; |
| } |
| throw new MjsUnitAssertionError("Did not throw exception"); |
| }; |
| |
| |
| assertInstanceof = function assertInstanceof(obj, type) { |
| if (!(obj instanceof type)) { |
| var actualTypeName = null; |
| var actualConstructor = Object.prototypeOf(obj).constructor; |
| if (typeof actualConstructor == "function") { |
| actualTypeName = actualConstructor.name || String(actualConstructor); |
| } |
| fail("Object <" + PrettyPrint(obj) + "> is not an instance of <" + |
| (type.name || type) + ">" + |
| (actualTypeName ? " but of < " + actualTypeName + ">" : "")); |
| } |
| }; |
| |
| |
| assertDoesNotThrow = function assertDoesNotThrow(code, name_opt) { |
| try { |
| if (typeof code == 'function') { |
| code(); |
| } else { |
| eval(code); |
| } |
| } catch (e) { |
| fail("threw an exception: ", e.message || e, name_opt); |
| } |
| }; |
| |
| assertUnreachable = function assertUnreachable(name_opt) { |
| // Fix this when we ditch the old test runner. |
| var message = "Fail" + "ure: unreachable"; |
| if (name_opt) { |
| message += " - " + name_opt; |
| } |
| throw new MjsUnitAssertionError(message); |
| }; |
| |
| })(); |
| |