Land the Fan (disabled)

test/cctest/compiler/compiler/test-run-jscalls.cc

+// Copyright 2014 the V8 project authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "src/v8.h"
+
+#include "test/cctest/compiler/function-tester.h"
+
+using namespace v8::internal;
+using namespace v8::internal::compiler;
+
+TEST(SimpleCall) {
+  FunctionTester T("(function(foo,a) { return foo(a); })");
+  Handle<JSFunction> foo = T.NewFunction("(function(a) { return a; })");
+
+  T.CheckCall(T.Val(3), foo, T.Val(3));
+  T.CheckCall(T.Val(3.1), foo, T.Val(3.1));
+  T.CheckCall(foo, foo, foo);
+  T.CheckCall(T.Val("Abba"), foo, T.Val("Abba"));
+}
+
+
+TEST(SimpleCall2) {
+  FunctionTester T("(function(foo,a) { return foo(a); })");
+  Handle<JSFunction> foo = T.NewFunction("(function(a) { return a; })");
+  T.Compile(foo);
+
+  T.CheckCall(T.Val(3), foo, T.Val(3));
+  T.CheckCall(T.Val(3.1), foo, T.Val(3.1));
+  T.CheckCall(foo, foo, foo);
+  T.CheckCall(T.Val("Abba"), foo, T.Val("Abba"));
+}
+
+
+TEST(ConstCall) {
+  FunctionTester T("(function(foo,a) { return foo(a,3); })");
+  Handle<JSFunction> foo = T.NewFunction("(function(a,b) { return a + b; })");
+  T.Compile(foo);
+
+  T.CheckCall(T.Val(6), foo, T.Val(3));
+  T.CheckCall(T.Val(6.1), foo, T.Val(3.1));
+  T.CheckCall(T.Val("function (a,b) { return a + b; }3"), foo, foo);
+  T.CheckCall(T.Val("Abba3"), foo, T.Val("Abba"));
+}
+
+
+TEST(ConstCall2) {
+  FunctionTester T("(function(foo,a) { return foo(a,\"3\"); })");
+  Handle<JSFunction> foo = T.NewFunction("(function(a,b) { return a + b; })");
+  T.Compile(foo);
+
+  T.CheckCall(T.Val("33"), foo, T.Val(3));
+  T.CheckCall(T.Val("3.13"), foo, T.Val(3.1));
+  T.CheckCall(T.Val("function (a,b) { return a + b; }3"), foo, foo);
+  T.CheckCall(T.Val("Abba3"), foo, T.Val("Abba"));
+}
+
+
+TEST(PropertyNamedCall) {
+  FunctionTester T("(function(a,b) { return a.foo(b,23); })");
+  CompileRun("function foo(y,z) { return this.x + y + z; }");
+
+  T.CheckCall(T.Val(32), T.NewObject("({ foo:foo, x:4 })"), T.Val(5));
+  T.CheckCall(T.Val("xy23"), T.NewObject("({ foo:foo, x:'x' })"), T.Val("y"));
+  T.CheckCall(T.nan(), T.NewObject("({ foo:foo, y:0 })"), T.Val(3));
+}
+
+
+TEST(PropertyKeyedCall) {
+  FunctionTester T("(function(a,b) { var f = 'foo'; return a[f](b,23); })");
+  CompileRun("function foo(y,z) { return this.x + y + z; }");
+
+  T.CheckCall(T.Val(32), T.NewObject("({ foo:foo, x:4 })"), T.Val(5));
+  T.CheckCall(T.Val("xy23"), T.NewObject("({ foo:foo, x:'x' })"), T.Val("y"));
+  T.CheckCall(T.nan(), T.NewObject("({ foo:foo, y:0 })"), T.Val(3));
+}
+
+
+TEST(GlobalCall) {
+  FunctionTester T("(function(a,b) { return foo(a,b); })");
+  CompileRun("function foo(a,b) { return a + b + this.c; }");
+  CompileRun("var c = 23;");
+
+  T.CheckCall(T.Val(32), T.Val(4), T.Val(5));
+  T.CheckCall(T.Val("xy23"), T.Val("x"), T.Val("y"));
+  T.CheckCall(T.nan(), T.undefined(), T.Val(3));
+}
+
+
+TEST(LookupCall) {
+  FunctionTester T("(function(a,b) { with (a) { return foo(a,b); } })");
+
+  CompileRun("function f1(a,b) { return a.val + b; }");
+  T.CheckCall(T.Val(5), T.NewObject("({ foo:f1, val:2 })"), T.Val(3));
+  T.CheckCall(T.Val("xy"), T.NewObject("({ foo:f1, val:'x' })"), T.Val("y"));
+
+  CompileRun("function f2(a,b) { return this.val + b; }");
+  T.CheckCall(T.Val(9), T.NewObject("({ foo:f2, val:4 })"), T.Val(5));
+  T.CheckCall(T.Val("xy"), T.NewObject("({ foo:f2, val:'x' })"), T.Val("y"));
+}
+
+
+TEST(MismatchCallTooFew) {
+  FunctionTester T("(function(a,b) { return foo(a,b); })");
+  CompileRun("function foo(a,b,c) { return a + b + c; }");
+
+  T.CheckCall(T.nan(), T.Val(23), T.Val(42));
+  T.CheckCall(T.nan(), T.Val(4.2), T.Val(2.3));
+  T.CheckCall(T.Val("abundefined"), T.Val("a"), T.Val("b"));
+}
+
+
+TEST(MismatchCallTooMany) {
+  FunctionTester T("(function(a,b) { return foo(a,b); })");
+  CompileRun("function foo(a) { return a; }");
+
+  T.CheckCall(T.Val(23), T.Val(23), T.Val(42));
+  T.CheckCall(T.Val(4.2), T.Val(4.2), T.Val(2.3));
+  T.CheckCall(T.Val("a"), T.Val("a"), T.Val("b"));
+}
+
+
+TEST(ConstructorCall) {
+  FunctionTester T("(function(a,b) { return new foo(a,b).value; })");
+  CompileRun("function foo(a,b) { return { value: a + b + this.c }; }");
+  CompileRun("foo.prototype.c = 23;");
+
+  T.CheckCall(T.Val(32), T.Val(4), T.Val(5));
+  T.CheckCall(T.Val("xy23"), T.Val("x"), T.Val("y"));
+  T.CheckCall(T.nan(), T.undefined(), T.Val(3));
+}
+
+
+// TODO(titzer): factor these out into test-runtime-calls.cc
+TEST(RuntimeCallCPP1) {
+  FLAG_allow_natives_syntax = true;
+  FunctionTester T("(function(a) { return %ToBool(a); })");
+
+  T.CheckCall(T.true_value(), T.Val(23), T.undefined());
+  T.CheckCall(T.true_value(), T.Val(4.2), T.undefined());
+  T.CheckCall(T.true_value(), T.Val("str"), T.undefined());
+  T.CheckCall(T.true_value(), T.true_value(), T.undefined());
+  T.CheckCall(T.false_value(), T.false_value(), T.undefined());
+  T.CheckCall(T.false_value(), T.undefined(), T.undefined());
+  T.CheckCall(T.false_value(), T.Val(0.0), T.undefined());
+}
+
+
+TEST(RuntimeCallCPP2) {
+  FLAG_allow_natives_syntax = true;
+  FunctionTester T("(function(a,b) { return %NumberAdd(a, b); })");
+
+  T.CheckCall(T.Val(65), T.Val(42), T.Val(23));
+  T.CheckCall(T.Val(19), T.Val(42), T.Val(-23));
+  T.CheckCall(T.Val(6.5), T.Val(4.2), T.Val(2.3));
+}
+
+
+TEST(RuntimeCallJS) {
+  FLAG_allow_natives_syntax = true;
+  FunctionTester T("(function(a) { return %ToString(a); })");
+
+  T.CheckCall(T.Val("23"), T.Val(23), T.undefined());
+  T.CheckCall(T.Val("4.2"), T.Val(4.2), T.undefined());
+  T.CheckCall(T.Val("str"), T.Val("str"), T.undefined());
+  T.CheckCall(T.Val("true"), T.true_value(), T.undefined());
+  T.CheckCall(T.Val("false"), T.false_value(), T.undefined());
+  T.CheckCall(T.Val("undefined"), T.undefined(), T.undefined());
+}
+
+
+TEST(RuntimeCallInline) {
+  FLAG_allow_natives_syntax = true;
+  FunctionTester T("(function(a) { return %_IsObject(a); })");
+
+  T.CheckCall(T.false_value(), T.Val(23), T.undefined());
+  T.CheckCall(T.false_value(), T.Val(4.2), T.undefined());
+  T.CheckCall(T.false_value(), T.Val("str"), T.undefined());
+  T.CheckCall(T.false_value(), T.true_value(), T.undefined());
+  T.CheckCall(T.false_value(), T.false_value(), T.undefined());
+  T.CheckCall(T.false_value(), T.undefined(), T.undefined());
+  T.CheckCall(T.true_value(), T.NewObject("({})"), T.undefined());
+  T.CheckCall(T.true_value(), T.NewObject("([])"), T.undefined());
+}
+
+
+TEST(RuntimeCallBooleanize) {
+  // TODO(turbofan): %Booleanize will disappear, don't hesitate to remove this
+  // test case, two-argument case is covered by the above test already.
+  FLAG_allow_natives_syntax = true;
+  FunctionTester T("(function(a,b) { return %Booleanize(a, b); })");
+
+  T.CheckCall(T.true_value(), T.Val(-1), T.Val(Token::LT));
+  T.CheckCall(T.false_value(), T.Val(-1), T.Val(Token::EQ));
+  T.CheckCall(T.false_value(), T.Val(-1), T.Val(Token::GT));
+
+  T.CheckCall(T.false_value(), T.Val(0.0), T.Val(Token::LT));
+  T.CheckCall(T.true_value(), T.Val(0.0), T.Val(Token::EQ));
+  T.CheckCall(T.false_value(), T.Val(0.0), T.Val(Token::GT));
+
+  T.CheckCall(T.false_value(), T.Val(1), T.Val(Token::LT));
+  T.CheckCall(T.false_value(), T.Val(1), T.Val(Token::EQ));
+  T.CheckCall(T.true_value(), T.Val(1), T.Val(Token::GT));
+}
+
+
+TEST(EvalCall) {
+  FunctionTester T("(function(a,b) { return eval(a); })");
+  Handle<JSObject> g(T.function->context()->global_object()->global_proxy());
+
+  T.CheckCall(T.Val(23), T.Val("17 + 6"), T.undefined());
+  T.CheckCall(T.Val("'Y'; a"), T.Val("'Y'; a"), T.Val("b-val"));
+  T.CheckCall(T.Val("b-val"), T.Val("'Y'; b"), T.Val("b-val"));
+  T.CheckCall(g, T.Val("this"), T.undefined());
+  T.CheckCall(g, T.Val("'use strict'; this"), T.undefined());
+
+  CompileRun("eval = function(x) { return x; }");
+  T.CheckCall(T.Val("17 + 6"), T.Val("17 + 6"), T.undefined());
+
+  CompileRun("eval = function(x) { return this; }");
+  T.CheckCall(g, T.Val("17 + 6"), T.undefined());
+
+  CompileRun("eval = function(x) { 'use strict'; return this; }");
+  T.CheckCall(T.undefined(), T.Val("17 + 6"), T.undefined());
+}
+
+
+TEST(ReceiverPatching) {
+  // TODO(turbofan): Note that this test only checks that the function prologue
+  // patches an undefined receiver to the global receiver. If this starts to
+  // fail once we fix the calling protocol, just remove this test.
+  FunctionTester T("(function(a) { return this; })");
+  Handle<JSObject> g(T.function->context()->global_object()->global_proxy());
+  T.CheckCall(g, T.undefined());
+}