59 lines
1.8 KiB
C++
59 lines
1.8 KiB
C++
|
// Copyright 2019 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 "test/wasm-api-tests/wasm-api-test.h"
|
||
|
|
|
||
|
|
namespace v8 {
|
||
|
|
namespace internal {
|
||
|
|
namespace wasm {
|
||
|
|
|
||
|
|
using ::wasm::I32;
|
||
|
|
using ::wasm::I64;
|
||
|
|
|
||
|
|
namespace {
|
||
|
|
|
||
|
|
own<Trap> Callback(const Val args[], Val results[]) {
|
||
|
|
results[0] = args[3].copy();
|
||
|
|
results[1] = args[1].copy();
|
||
|
|
results[2] = args[2].copy();
|
||
|
|
results[3] = args[0].copy();
|
||
|
|
return nullptr;
|
||
|
|
}
|
||
|
|
|
||
|
|
} // namespace
|
||
|
|
|
||
|
|
TEST_F(WasmCapiTest, MultiReturn) {
|
||
|
|
ValueType reps[] = {kWasmI32, kWasmI64, kWasmI64, kWasmI32,
|
||
|
|
kWasmI32, kWasmI64, kWasmI64, kWasmI32};
|
||
|
|
FunctionSig sig(4, 4, reps);
|
||
|
|
uint32_t func_index = builder()->AddImport(CStrVector("f"), &sig);
|
||
|
|
byte code[] = {WASM_CALL_FUNCTION(func_index, WASM_GET_LOCAL(0),
|
||
|
|
WASM_GET_LOCAL(2), WASM_GET_LOCAL(1),
|
||
|
|
WASM_GET_LOCAL(3))};
|
||
|
|
AddExportedFunction(CStrVector("g"), code, sizeof(code), &sig);
|
||
|
|
|
||
|
|
ownvec<ValType> types =
|
||
|
|
ownvec<ValType>::make(ValType::make(I32), ValType::make(I64),
|
||
|
|
ValType::make(I64), ValType::make(I32));
|
||
|
|
own<FuncType> func_type =
|
||
|
|
FuncType::make(types.deep_copy(), types.deep_copy());
|
||
|
|
own<Func> callback = Func::make(store(), func_type.get(), Callback);
|
||
|
|
Extern* imports[] = {callback.get()};
|
||
|
|
Instantiate(imports);
|
||
|
|
|
||
|
|
Func* run_func = GetExportedFunction(0);
|
||
|
|
Val args[] = {Val::i32(1), Val::i64(2), Val::i64(3), Val::i32(4)};
|
||
|
|
Val results[4];
|
||
|
|
own<Trap> trap = run_func->call(args, results);
|
||
|
|
EXPECT_EQ(nullptr, trap);
|
||
|
|
EXPECT_EQ(4, results[0].i32());
|
||
|
|
EXPECT_EQ(3, results[1].i64());
|
||
|
|
EXPECT_EQ(2, results[2].i64());
|
||
|
|
EXPECT_EQ(1, results[3].i32());
|
||
|
|
}
|
||
|
|
|
||
|
|
} // namespace wasm
|
||
|
|
} // namespace internal
|
||
|
|
} // namespace v8
|