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Diffstat (limited to 'js/src/tests/ecma/Expressions/11.9.3.js')
| -rw-r--r-- | js/src/tests/ecma/Expressions/11.9.3.js | 125 |
1 files changed, 125 insertions, 0 deletions
diff --git a/js/src/tests/ecma/Expressions/11.9.3.js b/js/src/tests/ecma/Expressions/11.9.3.js new file mode 100644 index 000000000..5fa0d35b3 --- /dev/null +++ b/js/src/tests/ecma/Expressions/11.9.3.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: 11.9.3.js + ECMA Section: 11.9.3 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 = "11.9.3"; +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", true, void 0 == void 0 ); +new TestCase( SECTION, "null == null", true, null == null ); + +// if x is NaN, return false. if y is NaN, return false. + +new TestCase( SECTION, "NaN == NaN", false, Number.NaN == Number.NaN ); +new TestCase( SECTION, "NaN == 0", false, Number.NaN == 0 ); +new TestCase( SECTION, "0 == NaN", false, 0 == Number.NaN ); +new TestCase( SECTION, "NaN == Infinity", false, Number.NaN == Number.POSITIVE_INFINITY ); +new TestCase( SECTION, "Infinity == NaN", false, 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", true, Number.MAX_VALUE == Number.MAX_VALUE ); +new TestCase( SECTION, "Number.MIN_VALUE == Number.MIN_VALUE", true, Number.MIN_VALUE == Number.MIN_VALUE ); +new TestCase( SECTION, "Number.POSITIVE_INFINITY == Number.POSITIVE_INFINITY", true, Number.POSITIVE_INFINITY == Number.POSITIVE_INFINITY ); +new TestCase( SECTION, "Number.NEGATIVE_INFINITY == Number.NEGATIVE_INFINITY", true, 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", true, 0 == 0 ); +new TestCase( SECTION, "0 == -0", true, 0 == -0 ); +new TestCase( SECTION, "-0 == 0", true, -0 == 0 ); +new TestCase( SECTION, "-0 == -0", true, -0 == -0 ); + +// return false. + +new TestCase( SECTION, "0.9 == 1", false, 0.9 == 1 ); +new TestCase( SECTION, "0.999999 == 1", false, 0.999999 == 1 ); +new TestCase( SECTION, "0.9999999999 == 1", false, 0.9999999999 == 1 ); +new TestCase( SECTION, "0.9999999999999 == 1", false, 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'", true, "hello" == "hello" ); + +// x and y are booleans. return true if both are true or both are false. + +new TestCase( SECTION, "true == true", true, true == true ); +new TestCase( SECTION, "false == false", true, false == false ); +new TestCase( SECTION, "true == false", false, true == false ); +new TestCase( SECTION, "false == true", false, 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)", false, new MyObject(true) == new MyObject(true) ); +new TestCase( SECTION, "new Boolean(true) == new Boolean(true)", false, new Boolean(true) == new Boolean(true) ); +new TestCase( SECTION, "new Boolean(false) == new Boolean(false)", false, new Boolean(false) == new Boolean(false) ); + + +new TestCase( SECTION, "x = new MyObject(true); y = x; z = x; z == y", true, eval("x = new MyObject(true); y = x; z = x; z == y") ); +new TestCase( SECTION, "x = new MyObject(false); y = x; z = x; z == y", true, eval("x = new MyObject(false); y = x; z = x; z == y") ); +new TestCase( SECTION, "x = new Boolean(true); y = x; z = x; z == y", true, eval("x = new Boolean(true); y = x; z = x; z == y") ); +new TestCase( SECTION, "x = new Boolean(false); y = x; z = x; z == y", true, eval("x = new Boolean(false); y = x; z = x; z == y") ); + +new TestCase( SECTION, "new Boolean(true) == new Boolean(true)", false, new Boolean(true) == new Boolean(true) ); +new TestCase( SECTION, "new Boolean(false) == new Boolean(false)", false, 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", true, null == void 0 ); +new TestCase( SECTION, "void 0 == null", true, 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'", true, 1 == '1' ); +new TestCase( SECTION, "255 == '0xff'", true, 255 == '0xff' ); +new TestCase( SECTION, "0 == '\r'", true, 0 == "\r" ); +new TestCase( SECTION, "1e19 == '1e19'", true, 1e19 == "1e19" ); + + +new TestCase( SECTION, "new Boolean(true) == true", true, true == new Boolean(true) ); +new TestCase( SECTION, "new MyObject(true) == true", true, true == new MyObject(true) ); + +new TestCase( SECTION, "new Boolean(false) == false", true, new Boolean(false) == false ); +new TestCase( SECTION, "new MyObject(false) == false", true, new MyObject(false) == false ); + +new TestCase( SECTION, "true == new Boolean(true)", true, true == new Boolean(true) ); +new TestCase( SECTION, "true == new MyObject(true)", true, true == new MyObject(true) ); + +new TestCase( SECTION, "false == new Boolean(false)", true, false == new Boolean(false) ); +new TestCase( SECTION, "false == new MyObject(false)", true, false == new MyObject(false) ); + +test(); + +function MyObject( value ) { + this.value = value; + this.valueOf = new Function( "return this.value" ); +} |