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Diffstat (limited to 'js/src/tests/ecma/Expressions/11.9.2.js')
| -rw-r--r-- | js/src/tests/ecma/Expressions/11.9.2.js | 125 |
1 files changed, 125 insertions, 0 deletions
diff --git a/js/src/tests/ecma/Expressions/11.9.2.js b/js/src/tests/ecma/Expressions/11.9.2.js new file mode 100644 index 000000000..196d7e825 --- /dev/null +++ b/js/src/tests/ecma/Expressions/11.9.2.js @@ -0,0 +1,125 @@ +/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + + +/** + File Name: 11.9.2.js + ECMA Section: 11.9.2 The equals operator ( == ) + Description: + + The production EqualityExpression: + EqualityExpression == RelationalExpression is evaluated as follows: + + 1. Evaluate EqualityExpression. + 2. Call GetValue(Result(1)). + 3. Evaluate RelationalExpression. + 4. Call GetValue(Result(3)). + 5. Perform the comparison Result(4) == Result(2). (See section 11.9.3) + 6. Return Result(5). + Author: christine@netscape.com + Date: 12 november 1997 +*/ +var SECTION = "11.9.2"; +var VERSION = "ECMA_1"; +var BUGNUMBER="77391"; +startTest(); + +writeHeaderToLog( SECTION + " The equals operator ( == )"); + +// type x and type y are the same. if type x is undefined or null, return true + +new TestCase( SECTION, "void 0 == void 0", false, void 0 != void 0 ); +new TestCase( SECTION, "null == null", false, null != null ); + +// if x is NaN, return false. if y is NaN, return false. + +new TestCase( SECTION, "NaN != NaN", true, Number.NaN != Number.NaN ); +new TestCase( SECTION, "NaN != 0", true, Number.NaN != 0 ); +new TestCase( SECTION, "0 != NaN", true, 0 != Number.NaN ); +new TestCase( SECTION, "NaN != Infinity", true, Number.NaN != Number.POSITIVE_INFINITY ); +new TestCase( SECTION, "Infinity != NaN", true, Number.POSITIVE_INFINITY != Number.NaN ); + +// if x is the same number value as y, return true. + +new TestCase( SECTION, "Number.MAX_VALUE != Number.MAX_VALUE", false, Number.MAX_VALUE != Number.MAX_VALUE ); +new TestCase( SECTION, "Number.MIN_VALUE != Number.MIN_VALUE", false, Number.MIN_VALUE != Number.MIN_VALUE ); +new TestCase( SECTION, "Number.POSITIVE_INFINITY != Number.POSITIVE_INFINITY", false, Number.POSITIVE_INFINITY != Number.POSITIVE_INFINITY ); +new TestCase( SECTION, "Number.NEGATIVE_INFINITY != Number.NEGATIVE_INFINITY", false, Number.NEGATIVE_INFINITY != Number.NEGATIVE_INFINITY ); + +// if xis 0 and y is -0, return true. if x is -0 and y is 0, return true. + +new TestCase( SECTION, "0 != 0", false, 0 != 0 ); +new TestCase( SECTION, "0 != -0", false, 0 != -0 ); +new TestCase( SECTION, "-0 != 0", false, -0 != 0 ); +new TestCase( SECTION, "-0 != -0", false, -0 != -0 ); + +// return false. + +new TestCase( SECTION, "0.9 != 1", true, 0.9 != 1 ); +new TestCase( SECTION, "0.999999 != 1", true, 0.999999 != 1 ); +new TestCase( SECTION, "0.9999999999 != 1", true, 0.9999999999 != 1 ); +new TestCase( SECTION, "0.9999999999999 != 1", true, 0.9999999999999 != 1 ); + +// type x and type y are the same type, but not numbers. + + +// x and y are strings. return true if x and y are exactly the same sequence of characters. +// otherwise, return false. + +new TestCase( SECTION, "'hello' != 'hello'", false, "hello" != "hello" ); + +// x and y are booleans. return true if both are true or both are false. + +new TestCase( SECTION, "true != true", false, true != true ); +new TestCase( SECTION, "false != false", false, false != false ); +new TestCase( SECTION, "true != false", true, true != false ); +new TestCase( SECTION, "false != true", true, false != true ); + +// return true if x and y refer to the same object. otherwise return false. + +new TestCase( SECTION, "new MyObject(true) != new MyObject(true)", true, new MyObject(true) != new MyObject(true) ); +new TestCase( SECTION, "new Boolean(true) != new Boolean(true)", true, new Boolean(true) != new Boolean(true) ); +new TestCase( SECTION, "new Boolean(false) != new Boolean(false)", true, new Boolean(false) != new Boolean(false) ); + + +new TestCase( SECTION, "x = new MyObject(true); y = x; z = x; z != y", false, eval("x = new MyObject(true); y = x; z = x; z != y") ); +new TestCase( SECTION, "x = new MyObject(false); y = x; z = x; z != y", false, eval("x = new MyObject(false); y = x; z = x; z != y") ); +new TestCase( SECTION, "x = new Boolean(true); y = x; z = x; z != y", false, eval("x = new Boolean(true); y = x; z = x; z != y") ); +new TestCase( SECTION, "x = new Boolean(false); y = x; z = x; z != y", false, eval("x = new Boolean(false); y = x; z = x; z != y") ); + +new TestCase( SECTION, "new Boolean(true) != new Boolean(true)", true, new Boolean(true) != new Boolean(true) ); +new TestCase( SECTION, "new Boolean(false) != new Boolean(false)", true, new Boolean(false) != new Boolean(false) ); + +// if x is null and y is undefined, return true. if x is undefined and y is null return true. + +new TestCase( SECTION, "null != void 0", false, null != void 0 ); +new TestCase( SECTION, "void 0 != null", false, void 0 != null ); + +// if type(x) is Number and type(y) is string, return the result of the comparison x != ToNumber(y). + +new TestCase( SECTION, "1 != '1'", false, 1 != '1' ); +new TestCase( SECTION, "255 != '0xff'", false, 255 != '0xff' ); +new TestCase( SECTION, "0 != '\r'", false, 0 != "\r" ); +new TestCase( SECTION, "1e19 != '1e19'", false, 1e19 != "1e19" ); + + +new TestCase( SECTION, "new Boolean(true) != true", false, true != new Boolean(true) ); +new TestCase( SECTION, "new MyObject(true) != true", false, true != new MyObject(true) ); + +new TestCase( SECTION, "new Boolean(false) != false", false, new Boolean(false) != false ); +new TestCase( SECTION, "new MyObject(false) != false", false, new MyObject(false) != false ); + +new TestCase( SECTION, "true != new Boolean(true)", false, true != new Boolean(true) ); +new TestCase( SECTION, "true != new MyObject(true)", false, true != new MyObject(true) ); + +new TestCase( SECTION, "false != new Boolean(false)", false, false != new Boolean(false) ); +new TestCase( SECTION, "false != new MyObject(false)", false, false != new MyObject(false) ); + +test(); + +function MyObject( value ) { + this.value = value; + this.valueOf = new Function( "return this.value" ); +} |