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// Copyright 2015 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/interface-descriptors.h"
#include "src/isolate.h"
#include "test/cctest/compiler/function-tester.h"
namespace v8 {
namespace internal {
namespace compiler {
class CodeStubAssemblerTester : public CodeStubAssembler {
public:
CodeStubAssemblerTester(Isolate* isolate,
const CallInterfaceDescriptor& descriptor)
: CodeStubAssembler(isolate, isolate->runtime_zone(), descriptor,
Code::STUB, "test"),
scope_(isolate) {}
private:
HandleScope scope_;
LocalContext context_;
};
TEST(SimpleSmiReturn) {
Isolate* isolate(CcTest::InitIsolateOnce());
VoidDescriptor descriptor(isolate);
CodeStubAssemblerTester m(isolate, descriptor);
m.Return(m.SmiTag(m.Int32Constant(37)));
Handle<Code> code = m.GenerateCode();
FunctionTester ft(descriptor, code);
MaybeHandle<Object> result = ft.Call();
CHECK_EQ(37, Handle<Smi>::cast(result.ToHandleChecked())->value());
}
TEST(SimpleIntPtrReturn) {
Isolate* isolate(CcTest::InitIsolateOnce());
VoidDescriptor descriptor(isolate);
CodeStubAssemblerTester m(isolate, descriptor);
int test;
m.Return(m.IntPtrConstant(reinterpret_cast<intptr_t>(&test)));
Handle<Code> code = m.GenerateCode();
FunctionTester ft(descriptor, code);
MaybeHandle<Object> result = ft.Call();
CHECK_EQ(reinterpret_cast<intptr_t>(&test),
reinterpret_cast<intptr_t>(*result.ToHandleChecked()));
}
TEST(SimpleDoubleReturn) {
Isolate* isolate(CcTest::InitIsolateOnce());
VoidDescriptor descriptor(isolate);
CodeStubAssemblerTester m(isolate, descriptor);
m.Return(m.NumberConstant(0.5));
Handle<Code> code = m.GenerateCode();
FunctionTester ft(descriptor, code);
MaybeHandle<Object> result = ft.Call();
CHECK_EQ(0.5, Handle<HeapNumber>::cast(result.ToHandleChecked())->value());
}
TEST(SimpleCallRuntime1Arg) {
Isolate* isolate(CcTest::InitIsolateOnce());
VoidDescriptor descriptor(isolate);
CodeStubAssemblerTester m(isolate, descriptor);
Node* context = m.HeapConstant(Handle<Context>(isolate->native_context()));
Node* b = m.SmiTag(m.Int32Constant(256));
m.Return(m.CallRuntime(Runtime::kMathSqrt, context, b));
Handle<Code> code = m.GenerateCode();
FunctionTester ft(descriptor, code);
MaybeHandle<Object> result = ft.Call();
CHECK_EQ(16, Handle<Smi>::cast(result.ToHandleChecked())->value());
}
TEST(SimpleTailCallRuntime1Arg) {
Isolate* isolate(CcTest::InitIsolateOnce());
VoidDescriptor descriptor(isolate);
CodeStubAssemblerTester m(isolate, descriptor);
Node* context = m.HeapConstant(Handle<Context>(isolate->native_context()));
Node* b = m.SmiTag(m.Int32Constant(256));
m.TailCallRuntime(Runtime::kMathSqrt, context, b);
Handle<Code> code = m.GenerateCode();
FunctionTester ft(descriptor, code);
MaybeHandle<Object> result = ft.Call();
CHECK_EQ(16, Handle<Smi>::cast(result.ToHandleChecked())->value());
}
TEST(SimpleCallRuntime2Arg) {
Isolate* isolate(CcTest::InitIsolateOnce());
VoidDescriptor descriptor(isolate);
CodeStubAssemblerTester m(isolate, descriptor);
Node* context = m.HeapConstant(Handle<Context>(isolate->native_context()));
Node* a = m.SmiTag(m.Int32Constant(2));
Node* b = m.SmiTag(m.Int32Constant(4));
m.Return(m.CallRuntime(Runtime::kMathPow, context, a, b));
Handle<Code> code = m.GenerateCode();
FunctionTester ft(descriptor, code);
MaybeHandle<Object> result = ft.Call();
CHECK_EQ(16, Handle<Smi>::cast(result.ToHandleChecked())->value());
}
TEST(SimpleTailCallRuntime2Arg) {
Isolate* isolate(CcTest::InitIsolateOnce());
VoidDescriptor descriptor(isolate);
CodeStubAssemblerTester m(isolate, descriptor);
Node* context = m.HeapConstant(Handle<Context>(isolate->native_context()));
Node* a = m.SmiTag(m.Int32Constant(2));
Node* b = m.SmiTag(m.Int32Constant(4));
m.TailCallRuntime(Runtime::kMathPow, context, a, b);
Handle<Code> code = m.GenerateCode();
FunctionTester ft(descriptor, code);
MaybeHandle<Object> result = ft.Call();
CHECK_EQ(16, Handle<Smi>::cast(result.ToHandleChecked())->value());
}
} // namespace compiler
} // namespace internal
} // namespace v8
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