1 // Copyright 2019 the V8 project authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 #include "test/wasm-api-tests/wasm-api-test.h"
6
7 namespace v8 {
8 namespace internal {
9 namespace wasm {
10
11 namespace {
12
DummyCallback(const Val args[],Val results[])13 own<Trap> DummyCallback(const Val args[], Val results[]) { return nullptr; }
14
15 } // namespace
16
TEST_F(WasmCapiTest,StartupErrors)17 TEST_F(WasmCapiTest, StartupErrors) {
18 FunctionSig sig(0, 0, nullptr);
19 byte code[] = {WASM_UNREACHABLE};
20 WasmFunctionBuilder* start_func = builder()->AddFunction(&sig);
21 start_func->EmitCode(code, static_cast<uint32_t>(sizeof(code)));
22 start_func->Emit(kExprEnd);
23 builder()->MarkStartFunction(start_func);
24 builder()->AddImport(base::CStrVector("dummy"), &sig);
25 Compile();
26 own<Trap> trap;
27
28 // Try to make an Instance with non-matching imports.
29 own<Func> bad_func = Func::make(store(), cpp_i_i_sig(), DummyCallback);
30 Extern* bad_imports[] = {bad_func.get()};
31 own<Instance> instance =
32 Instance::make(store(), module(), bad_imports, &trap);
33 EXPECT_EQ(nullptr, instance);
34 EXPECT_NE(nullptr, trap);
35 EXPECT_STREQ(
36 "Uncaught LinkError: instantiation: Import #0 module=\"\" "
37 "function=\"dummy\" "
38 "error: imported function does not match the expected type",
39 trap->message().get());
40 EXPECT_EQ(nullptr, trap->origin());
41 // Don't crash if there is no {trap}.
42 instance = Instance::make(store(), module(), bad_imports, nullptr);
43 EXPECT_EQ(nullptr, instance);
44
45 // Try to make an instance with a {start} function that traps.
46 own<FuncType> good_sig =
47 FuncType::make(ownvec<ValType>::make(), ownvec<ValType>::make());
48 own<Func> good_func = Func::make(store(), good_sig.get(), DummyCallback);
49 Extern* good_imports[] = {good_func.get()};
50 instance = Instance::make(store(), module(), good_imports, &trap);
51 EXPECT_EQ(nullptr, instance);
52 EXPECT_NE(nullptr, trap);
53 EXPECT_STREQ("Uncaught RuntimeError: unreachable", trap->message().get());
54 EXPECT_NE(nullptr, trap->origin());
55 // Don't crash if there is no {trap}.
56 instance = Instance::make(store(), module(), good_imports, nullptr);
57 EXPECT_EQ(nullptr, instance);
58 }
59
60 } // namespace wasm
61 } // namespace internal
62 } // namespace v8
63