Fix error in compound assignment to keyed load by making platform-independent...

test/mjsunit/compiler/assignment.js

+// Copyright 2010 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.
+
+// Tests for compound assignments at the top level
+
+z = 2;
+z += 4;
+
+assertEquals(z, 6);
+
+a = new Array(10);
+
+a[2] += 7;
+a[2] = 15;
+a[2] += 2;
+
+assertEquals(17, a[2]);
+
+b = new Object();
+b.foo = 5;
+b.foo += 12;
+
+assertEquals(17, b.foo);
+
+// Test compound assignments in an anonymous function with local variables.
+(function () {
+  var z = 2;
+  z += 4;
+
+  assertEquals(z, 6);
+
+  var a = new Array(10);
+
+  a[2] += 7;
+  a[2] = 15;
+  a[2] += 2;
+
+  assertEquals(17, a[2]);
+
+  var b = new Object();
+  b.foo = 5;
+  b.foo += 12;
+
+  assertEquals(17, b.foo);
+})();
+
+// Test compound assignments in an anonymous function with global variables.
+(function () {
+  z = 2;
+  z += 4;
+
+  assertEquals(z, 6);
+
+  a = new Array(10);
+
+  a[2] += 7;
+  a[2] = 15;
+  a[2] += 2;
+
+  assertEquals(17, a[2]);
+
+  b = new Object();
+  b.foo = 5;
+  b.foo += 12;
+
+  assertEquals(17, b.foo);
+})();
+
+// Test compound assignments in a named function with local variables.
+function foo() {
+  var z = 3;
+  z += 4;
+
+  assertEquals(z, 7);
+
+  var a = new Array(10);
+
+  a[2] += 7;
+  a[2] = 15;
+  a[2] += 2;
+
+  assertEquals(17, a[2]);
+
+  var b = new Object();
+  b.foo = 5;
+  b.foo += 12;
+
+  assertEquals(17, b.foo);
+}
+
+foo();
+
+// Test compound assignments in a named function with global variables.
+function bar() {
+  z = 2;
+  z += 5;
+
+  assertEquals(z, 7);
+
+  a = new Array(10);
+
+  a[2] += 7;
+  a[2] = 15;
+  a[2] += 2;
+
+  assertEquals(17, a[2]);
+
+  b = new Object();
+  b.foo = 5;
+  b.foo += 12;
+
+  assertEquals(17, b.foo);
+}
+
+bar();
+
+// Entire series of tests repeated, in loops.
+// -------------------------------------------
+// Tests for compound assignments in a loop at the top level
+
+for (i = 0; i < 5; ++i) {
+  z = 2;
+  z += 4;
+
+  assertEquals(z, 6);
+
+  a = new Array(10);
+
+  a[2] += 7;
+  a[2] = 15;
+  a[2] += 2;
+
+  assertEquals(17, a[2]);
+
+  b = new Object();
+  b.foo = 5;
+  b.foo += 12;
+
+  assertEquals(17, b.foo);
+}
+
+// Test compound assignments in an anonymous function with local variables.
+(function () {
+  for (var i = 0; i < 5; ++i) {
+    var z = 2;
+    z += 4;
+
+    assertEquals(z, 6);
+
+    var a = new Array(10);
+
+    a[2] += 7;
+    a[2] = 15;
+    a[2] += 2;
+
+    assertEquals(17, a[2]);
+
+    var b = new Object();
+    b.foo = 5;
+    b.foo += 12;
+
+    assertEquals(17, b.foo);
+  }
+})();
+
+// Test compound assignments in an anonymous function with global variables.
+(function () {
+  for (i = 0; i < 5; ++i) {
+    z = 2;
+    z += 4;
+
+    assertEquals(z, 6);
+
+    a = new Array(10);
+
+    a[2] += 7;
+    a[2] = 15;
+    a[2] += 2;
+
+    assertEquals(17, a[2]);
+
+    b = new Object();
+    b.foo = 5;
+    b.foo += 12;
+
+    assertEquals(17, b.foo);
+  }
+})();
+
+// Test compound assignments in a named function with local variables.
+function foo_loop() {
+  for (i = 0; i < 5; ++i) {
+    var z = 3;
+    z += 4;
+
+    assertEquals(z, 7);
+
+    var a = new Array(10);
+
+    a[2] += 7;
+    a[2] = 15;
+    a[2] += 2;
+
+    assertEquals(17, a[2]);
+
+    var b = new Object();
+    b.foo = 5;
+    b.foo += 12;
+
+    assertEquals(17, b.foo);
+  }
+}
+
+foo_loop();
+
+// Test compound assignments in a named function with global variables.
+function bar_loop() {
+  for (i = 0; i < 5; ++i) {
+    z = 2;
+    z += 5;
+
+    assertEquals(z, 7);
+
+    a = new Array(10);
+
+    a[2] += 7;
+    a[2] = 15;
+    a[2] += 2;
+
+    assertEquals(17, a[2]);
+
+    b = new Object();
+    b.foo = 5;
+    b.foo += 12;
+
+    assertEquals(17, b.foo);
+  }
+}
+
+bar_loop();