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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/init/v8.h"
#include "src/api/api-inl.h"
#include "src/heap/heap-inl.h"
#include "src/interpreter/interpreter-intrinsics.h"
#include "src/objects/objects-inl.h"
#include "test/cctest/interpreter/interpreter-tester.h"
namespace v8 {
namespace internal {
namespace interpreter {
namespace {
class InvokeIntrinsicHelper {
public:
InvokeIntrinsicHelper(Isolate* isolate, Zone* zone,
Runtime::FunctionId function_id)
: isolate_(isolate),
zone_(zone),
factory_(isolate->factory()),
function_id_(function_id) {}
template <class... A>
Handle<Object> Invoke(A... args) {
CHECK(IntrinsicsHelper::IsSupported(function_id_));
int parameter_count = sizeof...(args);
#ifdef V8_REVERSE_JSARGS
// Move the parameter to locals, since the order of the
// arguments in the stack is reversed.
BytecodeArrayBuilder builder(zone_, parameter_count + 1, parameter_count,
nullptr);
for (int i = 0; i < parameter_count; i++) {
builder.MoveRegister(builder.Parameter(i), builder.Local(i));
}
RegisterList reg_list =
InterpreterTester::NewRegisterList(0, parameter_count);
#else
// Add the receiver in the parameter count.
BytecodeArrayBuilder builder(zone_, parameter_count + 1, 0, nullptr);
RegisterList reg_list = InterpreterTester::NewRegisterList(
builder.Parameter(0).index(), parameter_count);
#endif
builder.CallRuntime(function_id_, reg_list).Return();
InterpreterTester tester(isolate_, builder.ToBytecodeArray(isolate_));
auto callable = tester.GetCallable<A...>();
return callable(args...).ToHandleChecked();
}
Handle<Object> NewObject(const char* script) {
return v8::Utils::OpenHandle(*CompileRun(script));
}
Handle<Object> Undefined() { return factory_->undefined_value(); }
Handle<Object> Null() { return factory_->null_value(); }
private:
Isolate* isolate_;
Zone* zone_;
Factory* factory_;
Runtime::FunctionId function_id_;
};
} // namespace
TEST(IsJSReceiver) {
HandleAndZoneScope handles;
InvokeIntrinsicHelper helper(handles.main_isolate(), handles.main_zone(),
Runtime::kInlineIsJSReceiver);
Factory* factory = handles.main_isolate()->factory();
CHECK_EQ(*factory->true_value(),
*helper.Invoke(helper.NewObject("new Date()")));
CHECK_EQ(*factory->true_value(),
*helper.Invoke(helper.NewObject("(function() {})")));
CHECK_EQ(*factory->true_value(), *helper.Invoke(helper.NewObject("([1])")));
CHECK_EQ(*factory->true_value(), *helper.Invoke(helper.NewObject("({})")));
CHECK_EQ(*factory->true_value(), *helper.Invoke(helper.NewObject("(/x/)")));
CHECK_EQ(*factory->false_value(), *helper.Invoke(helper.Undefined()));
CHECK_EQ(*factory->false_value(), *helper.Invoke(helper.Null()));
CHECK_EQ(*factory->false_value(),
*helper.Invoke(helper.NewObject("'string'")));
CHECK_EQ(*factory->false_value(), *helper.Invoke(helper.NewObject("42")));
}
TEST(IsArray) {
HandleAndZoneScope handles;
InvokeIntrinsicHelper helper(handles.main_isolate(), handles.main_zone(),
Runtime::kInlineIsArray);
Factory* factory = handles.main_isolate()->factory();
CHECK_EQ(*factory->false_value(),
*helper.Invoke(helper.NewObject("new Date()")));
CHECK_EQ(*factory->false_value(),
*helper.Invoke(helper.NewObject("(function() {})")));
CHECK_EQ(*factory->true_value(), *helper.Invoke(helper.NewObject("([1])")));
CHECK_EQ(*factory->false_value(), *helper.Invoke(helper.NewObject("({})")));
CHECK_EQ(*factory->false_value(), *helper.Invoke(helper.NewObject("(/x/)")));
CHECK_EQ(*factory->false_value(), *helper.Invoke(helper.Undefined()));
CHECK_EQ(*factory->false_value(), *helper.Invoke(helper.Null()));
CHECK_EQ(*factory->false_value(),
*helper.Invoke(helper.NewObject("'string'")));
CHECK_EQ(*factory->false_value(), *helper.Invoke(helper.NewObject("42")));
}
TEST(IsSmi) {
HandleAndZoneScope handles;
InvokeIntrinsicHelper helper(handles.main_isolate(), handles.main_zone(),
Runtime::kInlineIsSmi);
Factory* factory = handles.main_isolate()->factory();
CHECK_EQ(*factory->false_value(),
*helper.Invoke(helper.NewObject("new Date()")));
CHECK_EQ(*factory->false_value(),
*helper.Invoke(helper.NewObject("(function() {})")));
CHECK_EQ(*factory->false_value(), *helper.Invoke(helper.NewObject("([1])")));
CHECK_EQ(*factory->false_value(), *helper.Invoke(helper.NewObject("({})")));
CHECK_EQ(*factory->false_value(), *helper.Invoke(helper.NewObject("(/x/)")));
CHECK_EQ(*factory->false_value(), *helper.Invoke(helper.Undefined()));
CHECK_EQ(*factory->false_value(), *helper.Invoke(helper.Null()));
CHECK_EQ(*factory->false_value(),
*helper.Invoke(helper.NewObject("'string'")));
CHECK_EQ(*factory->false_value(), *helper.Invoke(helper.NewObject("42.2")));
CHECK_EQ(*factory->false_value(),
*helper.Invoke(helper.NewObject("4294967297")));
CHECK_EQ(*factory->true_value(), *helper.Invoke(helper.NewObject("42")));
}
TEST(Call) {
HandleAndZoneScope handles;
Isolate* isolate = handles.main_isolate();
Factory* factory = isolate->factory();
InvokeIntrinsicHelper helper(isolate, handles.main_zone(),
Runtime::kInlineCall);
CHECK_EQ(Smi::FromInt(20),
*helper.Invoke(helper.NewObject("(function() { return this.x; })"),
helper.NewObject("({ x: 20 })")));
CHECK_EQ(Smi::FromInt(50),
*helper.Invoke(helper.NewObject("(function(arg1) { return arg1; })"),
factory->undefined_value(),
handle(Smi::FromInt(50), isolate)));
CHECK_EQ(
Smi::FromInt(20),
*helper.Invoke(
helper.NewObject("(function(a, b, c) { return a + b + c; })"),
factory->undefined_value(), handle(Smi::FromInt(10), isolate),
handle(Smi::FromInt(7), isolate), handle(Smi::FromInt(3), isolate)));
}
TEST(IntrinsicAsStubCall) {
HandleAndZoneScope handles;
Isolate* isolate = handles.main_isolate();
Factory* factory = isolate->factory();
InvokeIntrinsicHelper has_property_helper(isolate, handles.main_zone(),
Runtime::kInlineHasProperty);
CHECK_EQ(
*factory->true_value(),
*has_property_helper.Invoke(has_property_helper.NewObject("({ x: 20 })"),
has_property_helper.NewObject("'x'")));
CHECK_EQ(
*factory->false_value(),
*has_property_helper.Invoke(has_property_helper.NewObject("({ x: 20 })"),
has_property_helper.NewObject("'y'")));
}
} // namespace interpreter
} // namespace internal
} // namespace v8
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