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rbrirbri
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Add test cases for array prototype access
Add test cases for mozilla#1887 . For some reason these cases are not covered in test262.
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‎rhino/src/test/java/org/mozilla/javascript/tests/PutPropertyTest.java‎

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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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package org.mozilla.javascript.tests;
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import org.junit.Test;
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import org.mozilla.javascript.testutils.Utils;
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/**
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* Test for setting a property defined in the prototype chain.
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*
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* @author Ronald Brill
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*/
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public class PutPropertyTest {
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public void setPropKnownAtPrototypeObject() throws Exception {
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final String script =
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"var WithObjectPrototype = function(array) {\n"
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+ " this.prop = array.length;\n"
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+ " return this;\n"
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+ "}\n"
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+ "var nlp = WithObjectPrototype.prototype = { prop: 7 };\n"
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+ "var test = new WithObjectPrototype(['abc']);\n"
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+ "'' + nlp.prop + ' # ' + test.prop";
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Utils.assertWithAllModes("7 # 1", script);
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}
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@Test
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public void setPropNotKnownAtPrototypeObject() throws Exception {
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final String script =
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"var WithObjectPrototype = function(array) {\n"
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+ " this.prop = array.length;\n"
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+ " return this;\n"
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+ "}\n"
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+ "var nlp = WithObjectPrototype.prototype = { length: 7 };\n"
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+ "var test = new WithObjectPrototype(['abc']);\n"
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+ "'' + nlp.prop + ' # ' + test.prop";
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Utils.assertWithAllModes("undefined # 1", script);
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}
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@Test
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public void setLengthKnownAtPrototypeObject() throws Exception {
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final String script =
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"var WithObjectPrototype = function(array) {\n"
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+ " this.length = array.length;\n"
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+ " return this;\n"
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+ "}\n"
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+ "var nlp = WithObjectPrototype.prototype = { length: 7 };\n"
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+ "var test = new WithObjectPrototype(['abc']);\n"
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+ "'' + nlp.length + ' # ' + test.length";
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Utils.assertWithAllModes("7 # 1", script);
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}
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@Test
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public void setLengthNotKnownAtPrototypeObject() throws Exception {
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final String script =
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"var WithObjectPrototype = function(array) {\n"
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+ " this.length = array.length;\n"
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+ " return this;\n"
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+ "}\n"
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+ "var nlp = WithObjectPrototype.prototype = { prop: 7 };\n"
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+ "var test = new WithObjectPrototype(['abc']);\n"
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+ "'' + nlp.length + ' # ' + test.length";
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Utils.assertWithAllModes("undefined # 1", script);
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}
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@Test
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public void setLengthKnownAtPrototypeArray() throws Exception {
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final String script =
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"var WithArrayPrototype = function(array) {\n"
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+ " this.length = array.length;\n"
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+ " return this;\n"
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+ "}\n"
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+ "var nlp = WithArrayPrototype.prototype = [];\n"
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+ "var test = new WithArrayPrototype(['abc']);\n"
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+ "'' + nlp.length + ' # ' + test.length";
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Utils.assertWithAllModes("0 # 1", script);
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}
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@Test
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public void setPropKnownAtPrototypePrototypeObject() throws Exception {
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final String script =
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"var WithObjectPrototype = function(array) {\n"
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+ " this.prop = array.length;\n"
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+ " return this;\n"
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+ "}\n"
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+ "var nlp = {}.prototype = { prop: 7 };\n"
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+ "var nlpp = WithObjectPrototype.prototype = nlp;\n"
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+ "var test = new WithObjectPrototype(['abc']);\n"
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+ "'' + nlp.prop + ' # ' + nlpp.prop + ' # ' + test.prop";
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Utils.assertWithAllModes("7 # 7 # 1", script);
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}
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@Test
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public void setPropNotKnownAtPrototypePrototypeObject() throws Exception {
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final String script =
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"var WithObjectPrototype = function(array) {\n"
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+ " this.prop = array.length;\n"
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+ " return this;\n"
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+ "}\n"
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+ "var nlp = {}.prototype = { length: 7 };\n"
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+ "var nlpp = WithObjectPrototype.prototype = nlp;\n"
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+ "var test = new WithObjectPrototype(['abc']);\n"
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+ "'' + nlp.prop + ' # ' + nlpp.prop + ' # ' + test.prop";
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Utils.assertWithAllModes("undefined # undefined # 1", script);
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}
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@Test
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public void setLengthKnownAtPrototypePrototypeObject() throws Exception {
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final String script =
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"var WithObjectPrototype = function(array) {\n"
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+ " this.length = array.length;\n"
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+ " return this;\n"
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+ "}\n"
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+ "var nlp = {}.prototype = { length: 7 };\n"
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+ "var nlpp = WithObjectPrototype.prototype = nlp;\n"
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+ "var test = new WithObjectPrototype(['abc']);\n"
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+ "'' + nlp.length + ' # ' + nlpp.length + ' # ' + test.length";
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Utils.assertWithAllModes("7 # 7 # 1", script);
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}
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@Test
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public void setLengthNotKnownAtPrototypePrototypeObject() throws Exception {
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final String script =
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"var WithObjectPrototype = function(array) {\n"
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+ " this.length = array.length;\n"
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+ " return this;\n"
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+ "}\n"
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+ "var nlp = {}.prototype = { prop: 7 };\n"
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+ "var nlpp = WithObjectPrototype.prototype = nlp;\n"
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+ "var test = new WithObjectPrototype(['abc']);\n"
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+ "'' + nlp.length + ' # ' + nlpp.length + ' # ' + test.length";
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Utils.assertWithAllModes("undefined # undefined # 1", script);
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}
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@Test
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public void setLengthKnownAtPrototypePrototypeArray() throws Exception {
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final String script =
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"var WithArrayPrototype = function(array) {\n"
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+ " this.length = array.length;\n"
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+ " return this;\n"
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+ "}\n"
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+ "var nlp = {}.prototype = [];\n"
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+ "var nlpp = WithArrayPrototype.prototype = nlp;\n"
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+ "var test = new WithArrayPrototype(['abc']);\n"
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+ "'' + nlp.length + ' # ' + nlpp.length + ' # ' + test.length";
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Utils.assertWithAllModes("0 # 0 # 1", script);
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}
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}

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