exceptions_test.cc File Reference

#include "include/dart_api.h"
#include "platform/assert.h"
#include "vm/dart_api_impl.h"
#include "vm/unit_test.h"

Go to the source code of this file.

Classes
struct	dart::NativeEntries

Namespaces
namespace	dart

Macros
#define	FUNCTION_NAME(name)   UnhandledExcp_##name
#define	REGISTER_FUNCTION(name, count)   {"" #name, FUNCTION_NAME(name), count},
#define	UNHANDLED_NATIVE_LIST(V)

Functions
void FUNCTION_NAME()	dart::Unhandled_equals (Dart_NativeArguments args)
void FUNCTION_NAME()	dart::Unhandled_invoke (Dart_NativeArguments args)
void FUNCTION_NAME()	dart::Unhandled_invoke2 (Dart_NativeArguments args)
static Dart_NativeFunction	dart::native_lookup (Dart_Handle name, int argument_count, bool *auto_setup_scope)
	dart::TEST_CASE (UnhandledExceptions)

Variables
static struct dart::NativeEntries	dart::BuiltinEntries [] = {UNHANDLED_NATIVE_LIST(REGISTER_FUNCTION)}

Macro Definition Documentation

FUNCTION_NAME

#define FUNCTION_NAME

(

name

)

UnhandledExcp_##name

Definition at line 12 of file exceptions_test.cc.

REGISTER_FUNCTION

#define REGISTER_FUNCTION	(		name,
			count
	)		{"" #name, FUNCTION_NAME(name), count},

Definition at line 13 of file exceptions_test.cc.

UNHANDLED_NATIVE_LIST

#define UNHANDLED_NATIVE_LIST

(

V

)

Value:

  V(Unhandled_equals, 2)                                                       \
  V(Unhandled_invoke, 0)                                                       \
  V(Unhandled_invoke2, 0)

Definition at line 55 of file exceptions_test.cc.

                            {
  const char* name_;
  Dart_NativeFunction function_;
  int argument_count_;
} BuiltinEntries[] = {UNHANDLED_NATIVE_LIST(REGISTER_FUNCTION)};
 
static Dart_NativeFunction native_lookup(Dart_Handle name,
                                         int argument_count,
                                         bool* auto_setup_scope) {
  ASSERT(auto_setup_scope != nullptr);
  *auto_setup_scope = true;
  TransitionNativeToVM transition(Thread::Current());
  const Object& obj = Object::Handle(Api::UnwrapHandle(name));
  ASSERT(obj.IsString());
  const char* function_name = obj.ToCString();
  ASSERT(function_name != nullptr);
  int num_entries = sizeof(BuiltinEntries) / sizeof(struct NativeEntries);
  for (int i = 0; i < num_entries; i++) {
    struct NativeEntries* entry = &(BuiltinEntries[i]);
    if ((strcmp(function_name, entry->name_) == 0) &&
        (argument_count == entry->argument_count_)) {
      return reinterpret_cast<Dart_NativeFunction>(entry->function_);
    }
  }
  return nullptr;
}
 
// Unit test case to verify unhandled exceptions.
TEST_CASE(UnhandledExceptions) {
  const char* kScriptChars =
      R"(
      class UnhandledExceptions {
        @pragma('vm:external-name', 'Unhandled_equals')
        external static equals(var obj1, var obj2);
 
        @pragma('vm:external-name', 'Unhandled_invoke')
        external static invoke();
 
        @pragma('vm:external-name', 'Unhandled_invoke2')
        external static invoke2();
      }
      class Second {
        Second() { }
        static int method1(int param) {
          UnhandledExceptions.invoke();
          return 2;
        }
        static int method2() {
          throw new Second();
        }
        static int method3(int param) {
          try {
            UnhandledExceptions.invoke2();
          } on Second catch (e) {
            return 3;
          }
          return 2;
        }
      }
      testMain() {
        UnhandledExceptions.equals(2, Second.method1(1));
        UnhandledExceptions.equals(3, Second.method3(1));
      }
      )";
  Dart_Handle lib = TestCase::LoadTestScript(kScriptChars, native_lookup);
  EXPECT_VALID(Dart_Invoke(lib, NewString("testMain"), 0, nullptr));
}
 
}  // namespace dart