Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1 | // Copyright 2009 the V8 project authors. All rights reserved. |
| 2 | // Redistribution and use in source and binary forms, with or without |
| 3 | // modification, are permitted provided that the following conditions are |
| 4 | // met: |
| 5 | // |
| 6 | // * Redistributions of source code must retain the above copyright |
| 7 | // notice, this list of conditions and the following disclaimer. |
| 8 | // * Redistributions in binary form must reproduce the above |
| 9 | // copyright notice, this list of conditions and the following |
| 10 | // disclaimer in the documentation and/or other materials provided |
| 11 | // with the distribution. |
| 12 | // * Neither the name of Google Inc. nor the names of its |
| 13 | // contributors may be used to endorse or promote products derived |
| 14 | // from this software without specific prior written permission. |
| 15 | // |
| 16 | // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 17 | // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 18 | // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| 19 | // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| 20 | // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 21 | // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| 22 | // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 23 | // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 24 | // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 25 | // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 26 | // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 27 | |
| 28 | var obj = { |
| 29 | a: 7, |
| 30 | b: { x: 12, y: 24 }, |
| 31 | c: 'Zebra' |
| 32 | } |
| 33 | |
| 34 | assertEquals(7, obj.a); |
| 35 | assertEquals(12, obj.b.x); |
| 36 | assertEquals(24, obj.b.y); |
| 37 | assertEquals('Zebra', obj.c); |
| 38 | |
| 39 | var z = 24; |
| 40 | |
| 41 | var obj2 = { |
| 42 | a: 7, |
| 43 | b: { x: 12, y: z }, |
| 44 | c: 'Zebra' |
| 45 | } |
| 46 | |
| 47 | assertEquals(7, obj2.a); |
| 48 | assertEquals(12, obj2.b.x); |
| 49 | assertEquals(24, obj2.b.y); |
| 50 | assertEquals('Zebra', obj2.c); |
| 51 | |
| 52 | var arr = []; |
| 53 | for (var i = 0; i < 2; i++) { |
| 54 | arr[i] = { |
| 55 | a: 7, |
| 56 | b: { x: 12, y: 24 }, |
| 57 | c: 'Zebra' |
| 58 | } |
| 59 | } |
| 60 | |
| 61 | arr[0].b.x = 2; |
| 62 | assertEquals(2, arr[0].b.x); |
| 63 | assertEquals(12, arr[1].b.x); |
| 64 | |
| 65 | |
| 66 | function makeSparseArray() { |
| 67 | return { |
| 68 | '0': { x: 12, y: 24 }, |
| 69 | '1000000': { x: 0, y: 0 } |
| 70 | }; |
| 71 | } |
| 72 | |
| 73 | var sa1 = makeSparseArray(); |
| 74 | sa1[0].x = 0; |
| 75 | var sa2 = makeSparseArray(); |
| 76 | assertEquals(12, sa2[0].x); |
| 77 | |
| 78 | // Test that non-constant literals work. |
| 79 | var n = new Object(); |
| 80 | |
| 81 | function makeNonConstantArray() { return [ [ n ] ]; } |
| 82 | |
| 83 | var a = makeNonConstantArray(); |
| 84 | a[0][0].foo = "bar"; |
| 85 | assertEquals("bar", n.foo); |
| 86 | |
| 87 | function makeNonConstantObject() { return { a: { b: n } }; } |
| 88 | |
| 89 | a = makeNonConstantObject(); |
| 90 | a.a.b.bar = "foo"; |
| 91 | assertEquals("foo", n.bar); |
| 92 | |
| 93 | // Test that exceptions for regexps still hold. |
| 94 | function makeRegexpInArray() { return [ [ /a*/, {} ] ]; } |
| 95 | |
| 96 | a = makeRegexpInArray(); |
| 97 | var b = makeRegexpInArray(); |
Ben Murdoch | bb769b2 | 2010-08-11 14:56:33 +0100 | [diff] [blame^] | 98 | assertFalse(a[0][0] === b[0][0]); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 99 | assertFalse(a[0][1] === b[0][1]); |
| 100 | |
| 101 | function makeRegexpInObject() { return { a: { b: /b*/, c: {} } }; } |
| 102 | a = makeRegexpInObject(); |
| 103 | b = makeRegexpInObject(); |
Ben Murdoch | bb769b2 | 2010-08-11 14:56:33 +0100 | [diff] [blame^] | 104 | assertFalse(a.a.b === b.a.b); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 105 | assertFalse(a.a.c === b.a.c); |
Ben Murdoch | bb769b2 | 2010-08-11 14:56:33 +0100 | [diff] [blame^] | 106 | |
| 107 | |
| 108 | // Test keywords valid as property names in initializers and dot-access. |
| 109 | var keywords = [ |
| 110 | "break", |
| 111 | "case", |
| 112 | "catch", |
| 113 | "const", |
| 114 | "continue", |
| 115 | "debugger", |
| 116 | "default", |
| 117 | "delete", |
| 118 | "do", |
| 119 | "else", |
| 120 | "false", |
| 121 | "finally", |
| 122 | "for", |
| 123 | "function", |
| 124 | "if", |
| 125 | "in", |
| 126 | "instanceof", |
| 127 | "native", |
| 128 | "new", |
| 129 | "null", |
| 130 | "return", |
| 131 | "switch", |
| 132 | "this", |
| 133 | "throw", |
| 134 | "true", |
| 135 | "try", |
| 136 | "typeof", |
| 137 | "var", |
| 138 | "void", |
| 139 | "while", |
| 140 | "with", |
| 141 | ]; |
| 142 | |
| 143 | function testKeywordProperty(keyword) { |
| 144 | try { |
| 145 | // Sanity check that what we get is a keyword. |
| 146 | eval("var " + keyword + " = 42;"); |
| 147 | assertUnreachable("Not a keyword: " + keyword); |
| 148 | } catch (e) { } |
| 149 | |
| 150 | // Simple property, read and write. |
| 151 | var x = eval("({" + keyword + ": 42})"); |
| 152 | assertEquals(42, x[keyword]); |
| 153 | assertEquals(42, eval("x." + keyword)); |
| 154 | eval("x." + keyword + " = 37"); |
| 155 | assertEquals(37, x[keyword]); |
| 156 | assertEquals(37, eval("x." + keyword)); |
| 157 | |
| 158 | // Getter/setter property, read and write. |
| 159 | var y = eval("({value : 42, get " + keyword + "(){return this.value}," + |
| 160 | " set " + keyword + "(v) { this.value = v; }})"); |
| 161 | assertEquals(42, y[keyword]); |
| 162 | assertEquals(42, eval("y." + keyword)); |
| 163 | eval("y." + keyword + " = 37"); |
| 164 | assertEquals(37, y[keyword]); |
| 165 | assertEquals(37, eval("y." + keyword)); |
| 166 | |
| 167 | // Quoted keyword works is read back by unquoted as well. |
| 168 | var z = eval("({\"" + keyword + "\": 42})"); |
| 169 | assertEquals(42, z[keyword]); |
| 170 | assertEquals(42, eval("z." + keyword)); |
| 171 | |
| 172 | // Function property, called. |
| 173 | var was_called; |
| 174 | function test_call() { this.was_called = true; was_called = true; } |
| 175 | var w = eval("({" + keyword + ": test_call, was_called: false})"); |
| 176 | eval("w." + keyword + "();"); |
| 177 | assertTrue(was_called); |
| 178 | assertTrue(w.was_called); |
| 179 | |
| 180 | // Function property, constructed. |
| 181 | function construct() { this.constructed = true; } |
| 182 | var v = eval("({" + keyword + ": construct})"); |
| 183 | var vo = eval("new v." + keyword + "()"); |
| 184 | assertTrue(vo instanceof construct); |
| 185 | assertTrue(vo.constructed); |
| 186 | } |
| 187 | |
| 188 | for (var i = 0; i < keywords.length; i++) { |
| 189 | testKeywordProperty(keywords[i]); |
| 190 | } |
| 191 | |
| 192 | // Test getter and setter properties with string/number literal names. |
| 193 | |
| 194 | var obj = {get 42() { return 42; }, |
| 195 | get 3.14() { return "PI"; }, |
| 196 | get "PI"() { return 3.14; }, |
| 197 | readback: 0, |
| 198 | set 37(v) { this.readback = v; }, |
| 199 | set 1.44(v) { this.readback = v; }, |
| 200 | set "Poo"(v) { this.readback = v; }} |
| 201 | |
| 202 | assertEquals(42, obj[42]); |
| 203 | assertEquals("PI", obj[3.14]); |
| 204 | assertEquals(3.14, obj["PI"]); |
| 205 | obj[37] = "t1"; |
| 206 | assertEquals("t1", obj.readback); |
| 207 | obj[1.44] = "t2"; |
| 208 | assertEquals("t2", obj.readback); |
| 209 | obj["Poo"] = "t3"; |
| 210 | assertEquals("t3", obj.readback); |
| 211 | |
| 212 | |