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Diffstat (limited to 'deps/v8/test/mjsunit/object-get-own-property-names.js')
-rw-r--r-- | deps/v8/test/mjsunit/object-get-own-property-names.js | 104 |
1 files changed, 104 insertions, 0 deletions
diff --git a/deps/v8/test/mjsunit/object-get-own-property-names.js b/deps/v8/test/mjsunit/object-get-own-property-names.js new file mode 100644 index 000000000..f52cee2f9 --- /dev/null +++ b/deps/v8/test/mjsunit/object-get-own-property-names.js @@ -0,0 +1,104 @@ +// Copyright 2009 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. + +// Test ES5 section 15.2.3.4 Object.getOwnPropertyNames. + +// Check simple cases. +var obj = { a: 1, b: 2}; +var propertyNames = Object.getOwnPropertyNames(obj); +propertyNames.sort(); +assertEquals(2, propertyNames.length); +assertEquals("a", propertyNames[0]); +assertEquals("b", propertyNames[1]); + +var obj = { a: function(){}, b: function(){} }; +var propertyNames = Object.getOwnPropertyNames(obj); +propertyNames.sort(); +assertEquals(2, propertyNames.length); +assertEquals("a", propertyNames[0]); +assertEquals("b", propertyNames[1]); + +// Check slow case +var obj = { a: 1, b: 2, c: 3 }; +delete obj.b; +var propertyNames = Object.getOwnPropertyNames(obj) +propertyNames.sort(); +assertEquals(2, propertyNames.length); +assertEquals("a", propertyNames[0]); +assertEquals("c", propertyNames[1]); + +// Check that non-enumerable properties are being returned. +var propertyNames = Object.getOwnPropertyNames([1, 2]); +propertyNames.sort(); +assertEquals(3, propertyNames.length); +assertEquals("0", propertyNames[0]); +assertEquals("1", propertyNames[1]); +assertEquals("length", propertyNames[2]); + +// Check that no proto properties are returned. +var obj = { foo: "foo" }; +obj.__proto__ = { bar: "bar" }; +propertyNames = Object.getOwnPropertyNames(obj); +propertyNames.sort(); +assertEquals(1, propertyNames.length); +assertEquals("foo", propertyNames[0]); + +// Check that getter properties are returned. +var obj = {}; +obj.__defineGetter__("getter", function() {}); +propertyNames = Object.getOwnPropertyNames(obj); +propertyNames.sort(); +assertEquals(1, propertyNames.length); +assertEquals("getter", propertyNames[0]); + +try { + Object.getOwnPropertyNames(4); + assertTrue(false); +} catch (e) { + assertTrue(/on non-object/.test(e)); +} + +try { + Object.getOwnPropertyNames("foo"); + assertTrue(false); +} catch (e) { + assertTrue(/on non-object/.test(e)); +} + +try { + Object.getOwnPropertyNames(undefined); + assertTrue(false); +} catch (e) { + assertTrue(/on non-object/.test(e)); +} + +try { + Object.getOwnPropertyNames(null); + assertTrue(false); +} catch (e) { + assertTrue(/on non-object/.test(e)); +} |