1 files changed, 368 insertions, 0 deletions
diff --git a/src/3rdparty/v8/test/mjsunit/compiler/inline-accessors.js b/src/3rdparty/v8/test/mjsunit/compiler/inline-accessors.js
new file mode 100644
index 0000000..a4cf7ae
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+++ b/src/3rdparty/v8/test/mjsunit/compiler/inline-accessors.js
@@ -0,0 +1,368 @@
+// Copyright 2012 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.
+
+// Flags: --allow-natives-syntax --inline-accessors --max-opt-count=100
+
+var accessorCallCount, setterArgument, setterValue, obj, forceDeopt;
+
+// -----------------------------------------------------------------------------
+// Helpers for testing inlining of getters.
+
+function TestInlinedGetter(context, obj, expected) {
+  forceDeopt = { deopt: 0 };
+  accessorCallCount = 0;
+
+  assertEquals(expected, context(obj));
+  assertEquals(1, accessorCallCount);
+
+  assertEquals(expected, context(obj));
+  assertEquals(2, accessorCallCount);
+
+  %OptimizeFunctionOnNextCall(context);
+  assertEquals(expected, context(obj));
+  assertEquals(3, accessorCallCount);
+
+  forceDeopt = { /* empty*/ };
+  assertEquals(expected, context(obj));
+  assertEquals(4, accessorCallCount);
+}
+
+
+function value_context_for_getter(obj) {
+  return obj.getterProperty;
+}
+
+function test_context_for_getter(obj) {
+  if (obj.getterProperty) {
+    return 111;
+  } else {
+    return 222;
+  }
+}
+
+function effect_context_for_getter(obj) {
+  obj.getterProperty;
+  return 5678;
+}
+
+function TryGetter(context, getter, obj, expected, expectException) {
+  try {
+    TestInlinedGetter(context, obj, expected);
+    assertFalse(expectException);
+  } catch (exception) {
+    assertTrue(expectException);
+    assertEquals(7, exception.stack.split('\n').length);
+  }
+  %DeoptimizeFunction(context);
+  %ClearFunctionTypeFeedback(context);
+  %ClearFunctionTypeFeedback(getter);
+}
+
+function TestGetterInAllContexts(getter, obj, expected, expectException) {
+  TryGetter(value_context_for_getter, getter, obj, expected, expectException);
+  TryGetter(test_context_for_getter, getter, obj, expected ? 111 : 222,
+            expectException);
+  TryGetter(effect_context_for_getter, getter, obj, 5678, expectException);
+}
+
+// -----------------------------------------------------------------------------
+// Test getter returning something 'true'ish in all contexts.
+
+function getter1() {
+  assertSame(obj, this);
+  accessorCallCount++;
+  forceDeopt.deopt;
+  return 1234;
+}
+
+function ConstrG1() { }
+obj = Object.defineProperty(new ConstrG1(), "getterProperty", { get: getter1 });
+TestGetterInAllContexts(getter1, obj, 1234, false);
+obj = Object.create(obj);
+TestGetterInAllContexts(getter1, obj, 1234, false);
+
+// -----------------------------------------------------------------------------
+// Test getter returning false in all contexts.
+
+function getter2() {
+  assertSame(obj, this);
+  accessorCallCount++;
+  forceDeopt.deopt;
+  return false;
+}
+
+function ConstrG2() { }
+obj = Object.defineProperty(new ConstrG2(), "getterProperty", { get: getter2 });
+TestGetterInAllContexts(getter2, obj, false, false);
+obj = Object.create(obj);
+TestGetterInAllContexts(getter2, obj, false, false);
+
+// -----------------------------------------------------------------------------
+// Test getter without a return in all contexts.
+
+function getter3() {
+  assertSame(obj, this);
+  accessorCallCount++;
+  forceDeopt.deopt;
+}
+
+function ConstrG3() { }
+obj = Object.defineProperty(new ConstrG3(), "getterProperty", { get: getter3 });
+TestGetterInAllContexts(getter3, obj, undefined, false);
+obj = Object.create(obj);
+TestGetterInAllContexts(getter3, obj, undefined, false);
+
+// -----------------------------------------------------------------------------
+// Test getter with too many arguments without a return in all contexts.
+
+function getter4(a) {
+  assertSame(obj, this);
+  assertEquals(undefined, a);
+  accessorCallCount++;
+  forceDeopt.deopt;
+}
+
+function ConstrG4() { }
+obj = Object.defineProperty(new ConstrG4(), "getterProperty", { get: getter4 });
+TestGetterInAllContexts(getter4, obj, undefined, false);
+obj = Object.create(obj);
+TestGetterInAllContexts(getter4, obj, undefined, false);
+
+// -----------------------------------------------------------------------------
+// Test getter with too many arguments with a return in all contexts.
+
+function getter5(a) {
+  assertSame(obj, this);
+  assertEquals(undefined, a);
+  accessorCallCount++;
+  forceDeopt.deopt;
+  return 9876;
+}
+
+function ConstrG5() { }
+obj = Object.defineProperty(new ConstrG5(), "getterProperty", { get: getter5 });
+TestGetterInAllContexts(getter5, obj, 9876, false);
+obj = Object.create(obj);
+TestGetterInAllContexts(getter5, obj, 9876, false);
+
+// -----------------------------------------------------------------------------
+// Test getter which throws from optimized code.
+
+function getter6() {
+  assertSame(obj, this);
+  accessorCallCount++;
+  forceDeopt.deopt;
+  if (accessorCallCount == 4) { 123 in null; }
+  return 13579;
+}
+
+function ConstrG6() { }
+obj = Object.defineProperty(new ConstrG6(), "getterProperty", { get: getter6 });
+TestGetterInAllContexts(getter6, obj, 13579, true);
+obj = Object.create(obj);
+TestGetterInAllContexts(getter6, obj, 13579, true);
+
+// -----------------------------------------------------------------------------
+// Helpers for testing inlining of setters.
+
+function TestInlinedSetter(context, obj, value, expected) {
+  forceDeopt = { deopt: 0 };
+  accessorCallCount = 0;
+  setterArgument = value;
+
+  assertEquals(expected, context(obj, value));
+  assertEquals(value, setterValue);
+  assertEquals(1, accessorCallCount);
+
+  assertEquals(expected, context(obj, value));
+  assertEquals(value, setterValue);
+  assertEquals(2, accessorCallCount);
+
+  %OptimizeFunctionOnNextCall(context);
+  assertEquals(expected, context(obj, value));
+  assertEquals(value, setterValue);
+  assertEquals(3, accessorCallCount);
+
+  forceDeopt = { /* empty*/ };
+  assertEquals(expected, context(obj, value));
+  assertEquals(value, setterValue);
+  assertEquals(4, accessorCallCount);
+}
+
+function value_context_for_setter(obj, value) {
+  return obj.setterProperty = value;
+}
+
+function test_context_for_setter(obj, value) {
+  if (obj.setterProperty = value) {
+    return 333;
+  } else {
+    return 444;
+  }
+}
+
+function effect_context_for_setter(obj, value) {
+  obj.setterProperty = value;
+  return 666;
+}
+
+function TrySetter(context, setter, obj, expectException, value, expected) {
+  try {
+    TestInlinedSetter(context, obj, value, expected);
+    assertFalse(expectException);
+  } catch (exception) {
+    assertTrue(expectException);
+    assertEquals(7, exception.stack.split('\n').length);
+  }
+  %DeoptimizeFunction(context);
+  %ClearFunctionTypeFeedback(context);
+  %ClearFunctionTypeFeedback(setter);
+}
+
+function TestSetterInAllContexts(setter, obj, expectException) {
+  TrySetter(value_context_for_setter, setter, obj, expectException, 111, 111);
+  TrySetter(test_context_for_setter, setter, obj, expectException, true, 333);
+  TrySetter(test_context_for_setter, setter, obj, expectException, false, 444);
+  TrySetter(effect_context_for_setter, setter, obj, expectException, 555, 666);
+}
+
+// -----------------------------------------------------------------------------
+// Test setter without a return in all contexts.
+
+function setter1(value) {
+  assertSame(obj, this);
+  accessorCallCount++;
+  forceDeopt.deopt;
+  setterValue = value;
+}
+
+function ConstrS1() { }
+obj = Object.defineProperty(new ConstrS1(), "setterProperty", { set: setter1 });
+TestSetterInAllContexts(setter1, obj, false);
+obj = Object.create(obj);
+TestSetterInAllContexts(setter1, obj, false);
+
+// -----------------------------------------------------------------------------
+// Test setter returning something different than the RHS in all contexts.
+
+function setter2(value) {
+  assertSame(obj, this);
+  accessorCallCount++;
+  forceDeopt.deopt;
+  setterValue = value;
+  return 1000000;
+}
+
+function ConstrS2() { }
+obj = Object.defineProperty(new ConstrS2(), "setterProperty", { set: setter2 });
+TestSetterInAllContexts(setter2, obj, false);
+obj = Object.create(obj);
+TestSetterInAllContexts(setter2, obj, false);
+
+// -----------------------------------------------------------------------------
+// Test setter with too few arguments without a return in all contexts.
+
+function setter3() {
+  assertSame(obj, this);
+  accessorCallCount++;
+  forceDeopt.deopt;
+  setterValue = setterArgument;
+}
+
+function ConstrS3() { }
+obj = Object.defineProperty(new ConstrS3(), "setterProperty", { set: setter3 });
+TestSetterInAllContexts(setter3, obj, false);
+obj = Object.create(obj);
+TestSetterInAllContexts(setter3, obj, false);
+
+// -----------------------------------------------------------------------------
+// Test setter with too few arguments with a return in all contexts.
+
+function setter4() {
+  assertSame(obj, this);
+  accessorCallCount++;
+  forceDeopt.deopt;
+  setterValue = setterArgument;
+  return 2000000;
+}
+
+function ConstrS4() { }
+obj = Object.defineProperty(new ConstrS4(), "setterProperty", { set: setter4 });
+TestSetterInAllContexts(setter4, obj, false);
+obj = Object.create(obj);
+TestSetterInAllContexts(setter4, obj, false);
+
+// -----------------------------------------------------------------------------
+// Test setter with too many arguments without a return in all contexts.
+
+function setter5(value, foo) {
+  assertSame(obj, this);
+  assertEquals(undefined, foo);
+  accessorCallCount++;
+  forceDeopt.deopt;
+  setterValue = value;
+}
+
+function ConstrS5() { }
+obj = Object.defineProperty(new ConstrS5(), "setterProperty", { set: setter5 });
+TestSetterInAllContexts(setter5, obj, false);
+obj = Object.create(obj);
+TestSetterInAllContexts(setter5, obj, false);
+
+// -----------------------------------------------------------------------------
+// Test setter with too many arguments with a return in all contexts.
+
+function setter6(value, foo) {
+  assertSame(obj, this);
+  assertEquals(undefined, foo);
+  accessorCallCount++;
+  forceDeopt.deopt;
+  setterValue = value;
+  return 3000000;
+}
+
+function ConstrS6() { }
+obj = Object.defineProperty(new ConstrS6(), "setterProperty", { set: setter6 });
+TestSetterInAllContexts(setter6, obj, false);
+obj = Object.create(obj);
+TestSetterInAllContexts(setter6, obj, false);
+
+// -----------------------------------------------------------------------------
+// Test setter which throws from optimized code.
+
+function setter7(value) {
+  accessorCallCount++;
+  forceDeopt.deopt;
+  if (accessorCallCount == 4) { 123 in null; }
+  setterValue = value;
+}
+
+function ConstrS7() { }
+obj = Object.defineProperty(new ConstrS7(), "setterProperty", { set: setter7 });
+TestSetterInAllContexts(setter7, obj, true);
+obj = Object.create(obj);
+TestSetterInAllContexts(setter7, obj, true);