v8/test/wasm-api-tests/startup-errors.cc
Jakob Kummerow 116cbea5ed [wasm-c-api] Roll 7865f7d: Expose possible traps during Instance::make
Change-Id: Iadc6fa94ac2b77a8a8b0f1dbf3c28fc97ff13930
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1765608
Reviewed-by: Andreas Haas <ahaas@chromium.org>
Commit-Queue: Jakob Kummerow <jkummerow@chromium.org>
Cr-Commit-Position: refs/heads/master@{#63361}
2019-08-23 09:46:29 +00:00

63 lines
2.2 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 {
namespace {
own<Trap> DummyCallback(const Val args[], Val results[]) { return nullptr; }
} // namespace
TEST_F(WasmCapiTest, StartupErrors) {
FunctionSig sig(0, 0, nullptr);
byte code[] = {WASM_UNREACHABLE};
WasmFunctionBuilder* start_func = builder()->AddFunction(&sig);
start_func->EmitCode(code, static_cast<uint32_t>(sizeof(code)));
start_func->Emit(kExprEnd);
builder()->MarkStartFunction(start_func);
builder()->AddImport(CStrVector("dummy"), &sig);
Compile();
own<Trap> trap;
// Try to make an Instance with non-matching imports.
own<Func> bad_func = Func::make(store(), cpp_i_i_sig(), DummyCallback);
Extern* bad_imports[] = {bad_func.get()};
own<Instance> instance =
Instance::make(store(), module(), bad_imports, &trap);
EXPECT_EQ(nullptr, instance);
EXPECT_NE(nullptr, trap);
EXPECT_STREQ(
"Uncaught LinkError: instantiation: Import #0 module=\"\" "
"function=\"dummy\" "
"error: imported function does not match the expected type",
trap->message().get());
EXPECT_EQ(nullptr, trap->origin());
// Don't crash if there is no {trap}.
instance = Instance::make(store(), module(), bad_imports, nullptr);
EXPECT_EQ(nullptr, instance);
// Try to make an instance with a {start} function that traps.
own<FuncType> good_sig =
FuncType::make(ownvec<ValType>::make(), ownvec<ValType>::make());
own<Func> good_func = Func::make(store(), good_sig.get(), DummyCallback);
Extern* good_imports[] = {good_func.get()};
instance = Instance::make(store(), module(), good_imports, &trap);
EXPECT_EQ(nullptr, instance);
EXPECT_NE(nullptr, trap);
EXPECT_STREQ("Uncaught RuntimeError: unreachable", trap->message().get());
EXPECT_NE(nullptr, trap->origin());
// Don't crash if there is no {trap}.
instance = Instance::make(store(), module(), good_imports, nullptr);
EXPECT_EQ(nullptr, instance);
}
} // namespace wasm
} // namespace internal
} // namespace v8