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![Martin Kustermann](/assets/img/avatar_default.png)
Issue https://dart-review.googlesource.com/c/sdk/+/115701 Change-Id: Ib579f0bbc8d694aec74afd837217316a10baf910 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/115707 Commit-Queue: Martin Kustermann <kustermann@google.com> Reviewed-by: Ryan Macnak <rmacnak@google.com> Reviewed-by: Daco Harkes <dacoharkes@google.com>
123 lines
4.5 KiB
C++
123 lines
4.5 KiB
C++
// Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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#include "include/dart_api.h"
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#include "platform/assert.h"
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#include "vm/dart_api_impl.h"
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#include "vm/unit_test.h"
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namespace dart {
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#define FUNCTION_NAME(name) UnhandledExcp_##name
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#define REGISTER_FUNCTION(name, count) {"" #name, FUNCTION_NAME(name), count},
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void FUNCTION_NAME(Unhandled_equals)(Dart_NativeArguments args) {
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NativeArguments* arguments = reinterpret_cast<NativeArguments*>(args);
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TransitionNativeToVM transition(arguments->thread());
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Zone* zone = arguments->thread()->zone();
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const Instance& expected =
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Instance::CheckedHandle(zone, arguments->NativeArgAt(0));
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const Instance& actual =
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Instance::CheckedHandle(zone, arguments->NativeArgAt(1));
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if (!expected.CanonicalizeEquals(actual)) {
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OS::PrintErr("expected: '%s' actual: '%s'\n", expected.ToCString(),
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actual.ToCString());
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FATAL("Unhandled_equals fails.\n");
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}
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}
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void FUNCTION_NAME(Unhandled_invoke)(Dart_NativeArguments args) {
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// Invoke the specified entry point.
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Dart_Handle cls = Dart_GetClass(TestCase::lib(), NewString("Second"));
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Dart_Handle result = Dart_Invoke(cls, NewString("method2"), 0, NULL);
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ASSERT(Dart_IsError(result));
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ASSERT(Dart_ErrorHasException(result));
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return;
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}
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void FUNCTION_NAME(Unhandled_invoke2)(Dart_NativeArguments args) {
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// Invoke the specified entry point.
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Dart_Handle cls = Dart_GetClass(TestCase::lib(), NewString("Second"));
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Dart_Handle result = Dart_Invoke(cls, NewString("method2"), 0, NULL);
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ASSERT(Dart_IsError(result));
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ASSERT(Dart_ErrorHasException(result));
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Dart_Handle exception = Dart_ErrorGetException(result);
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ASSERT(!Dart_IsError(exception));
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Dart_ThrowException(exception);
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UNREACHABLE();
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return;
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}
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// List all native functions implemented in the vm or core boot strap dart
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// libraries so that we can resolve the native function to it's entry
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// point.
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#define UNHANDLED_NATIVE_LIST(V) \
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V(Unhandled_equals, 2) \
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V(Unhandled_invoke, 0) \
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V(Unhandled_invoke2, 0)
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static struct NativeEntries {
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const char* name_;
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Dart_NativeFunction function_;
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int argument_count_;
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} BuiltinEntries[] = {UNHANDLED_NATIVE_LIST(REGISTER_FUNCTION)};
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static Dart_NativeFunction native_lookup(Dart_Handle name,
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int argument_count,
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bool* auto_setup_scope) {
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ASSERT(auto_setup_scope != NULL);
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*auto_setup_scope = true;
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TransitionNativeToVM transition(Thread::Current());
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const Object& obj = Object::Handle(Api::UnwrapHandle(name));
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ASSERT(obj.IsString());
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const char* function_name = obj.ToCString();
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ASSERT(function_name != NULL);
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int num_entries = sizeof(BuiltinEntries) / sizeof(struct NativeEntries);
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for (int i = 0; i < num_entries; i++) {
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struct NativeEntries* entry = &(BuiltinEntries[i]);
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if ((strcmp(function_name, entry->name_) == 0) &&
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(argument_count == entry->argument_count_)) {
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return reinterpret_cast<Dart_NativeFunction>(entry->function_);
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}
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}
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return NULL;
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}
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// Unit test case to verify unhandled exceptions.
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TEST_CASE(UnhandledExceptions) {
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const char* kScriptChars =
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"class UnhandledExceptions {\n"
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" static equals(var obj1, var obj2) native \"Unhandled_equals\";"
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" static invoke() native \"Unhandled_invoke\";\n"
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" static invoke2() native \"Unhandled_invoke2\";\n"
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"}\n"
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"class Second {\n"
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" Second() { }\n"
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" static int method1(int param) {\n"
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" UnhandledExceptions.invoke();\n"
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" return 2;\n"
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" }\n"
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" static int method2() {\n"
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" throw new Second();\n"
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" }\n"
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" static int method3(int param) {\n"
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" try {\n"
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" UnhandledExceptions.invoke2();\n"
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" } on Second catch (e) {\n"
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" return 3;\n"
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" }\n"
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" return 2;\n"
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" }\n"
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"}\n"
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"testMain() {\n"
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" UnhandledExceptions.equals(2, Second.method1(1));\n"
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" UnhandledExceptions.equals(3, Second.method3(1));\n"
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"}";
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Dart_Handle lib = TestCase::LoadTestScript(
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kScriptChars, reinterpret_cast<Dart_NativeEntryResolver>(native_lookup));
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EXPECT_VALID(Dart_Invoke(lib, NewString("testMain"), 0, NULL));
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}
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} // namespace dart
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