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This is a new, experimental JavaScript feature.
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150 changes: 150 additions & 0 deletions
150
testsrc/org/mozilla/javascript/tests/es2022/NativeObjectTest.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,150 @@ | ||
| /* 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/. */ | ||
|
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| /** Test for the Object.hasOwn */ | ||
| package org.mozilla.javascript.tests.es2022; | ||
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| import static org.junit.Assert.assertEquals; | ||
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| import org.junit.After; | ||
| import org.junit.Before; | ||
| import org.junit.Test; | ||
| import org.mozilla.javascript.Context; | ||
| import org.mozilla.javascript.ScriptableObject; | ||
|
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| public class NativeObjectTest { | ||
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| private Context cx; | ||
| private ScriptableObject scope; | ||
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| @Before | ||
| public void setUp() { | ||
| cx = Context.enter(); | ||
| cx.setLanguageVersion(Context.VERSION_ES6); | ||
| scope = cx.initStandardObjects(); | ||
| } | ||
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| @After | ||
| public void tearDown() { | ||
| Context.exit(); | ||
| } | ||
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| @Test | ||
| public void testHasStringOwn() { | ||
| Object result = | ||
| cx.evaluateString( | ||
| scope, | ||
| "let result = Object.hasOwn({ test: '123' }, 'test');\n" | ||
| + "'result = ' + result", | ||
| "test", | ||
| 1, | ||
| null); | ||
|
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| assertEquals("result = true", result); | ||
| } | ||
|
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| @Test | ||
| public void testHasUndefinedOwn() { | ||
| Object result = | ||
| cx.evaluateString( | ||
| scope, | ||
| "let result = Object.hasOwn({ test: undefined }, 'test');\n" | ||
| + "'result = ' + result;", | ||
| "test", | ||
| 1, | ||
| null); | ||
|
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| assertEquals("result = true", result); | ||
| } | ||
|
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| @Test | ||
| public void testHasNullOwn() { | ||
| Object result = | ||
| cx.evaluateString( | ||
| scope, | ||
| "let result = Object.hasOwn({ test: null }, 'test');\n" | ||
| + "'result = ' + result;", | ||
| "test", | ||
| 1, | ||
| null); | ||
|
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| assertEquals("result = true", result); | ||
| } | ||
|
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| @Test | ||
| public void testHasArrayPropertyOwn() { | ||
| Object result = | ||
| cx.evaluateString( | ||
| scope, | ||
| "let dessert = [\"cake\", \"coffee\", \"chocolate\"];\n" | ||
| + "let result = Object.hasOwn(dessert, 2);\n" | ||
| + "'result = ' + result;", | ||
| "test", | ||
| 1, | ||
| null); | ||
|
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| assertEquals("result = true", result); | ||
| } | ||
|
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| @Test | ||
| public void testHasNoOwn() { | ||
| Object result = | ||
| cx.evaluateString( | ||
| scope, | ||
| "let result = Object.hasOwn({ cake: 123 }, 'test');\n" | ||
| + "'result = ' + result", | ||
| "test", | ||
| 1, | ||
| null); | ||
|
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| assertEquals("result = false", result); | ||
| } | ||
|
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| @Test | ||
| public void testCreateHasOwn() { | ||
| Object result = | ||
| cx.evaluateString( | ||
| scope, | ||
| "var foo = Object.create(null);\n" | ||
| + "foo.prop = 'test';\n" | ||
| + "var result = Object.hasOwn(foo, 'prop');\n" | ||
| + "'result = ' + result;", | ||
| "test", | ||
| 1, | ||
| null); | ||
|
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| assertEquals("result = true", result); | ||
| } | ||
|
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| @Test | ||
| public void testCreateNoHasOwn() { | ||
| Object result = | ||
| cx.evaluateString( | ||
| scope, | ||
| "var result = Object.hasOwn(Object.create({ q: 321 }), 'q');\n" | ||
| + "'result = ' + result; ", | ||
| "test", | ||
| 1, | ||
| null); | ||
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| assertEquals("result = false", result); | ||
| } | ||
|
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| @Test | ||
| public void testCalledTest() { | ||
| Object result = | ||
| cx.evaluateString( | ||
| scope, | ||
| "var called = false;\n" | ||
| + "try {\n" | ||
| + " Object.hasOwn(null, { toString() { called = true } });\n" | ||
| + "} catch (e) {}\n" | ||
| + "'called = ' + called;", | ||
| "test", | ||
| 1, | ||
| null); | ||
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| assertEquals("called = false", result); | ||
| } | ||
| } |