| // Copyright (c) 2014, the Dart project authors. Please see the AUTHORS file |
| // for details. All rights reserved. Use of this source code is governed by a |
| // BSD-style license that can be found in the LICENSE file. |
| |
| #include "platform/assert.h" |
| |
| #include "vm/dart_api_impl.h" |
| #include "vm/dart_api_state.h" |
| #include "vm/globals.h" |
| #include "vm/json_stream.h" |
| #include "vm/metrics.h" |
| #include "vm/unit_test.h" |
| |
| namespace dart { |
| |
| #ifndef PRODUCT |
| |
| VM_UNIT_TEST_CASE(Metric_Simple) { |
| TestCase::CreateTestIsolate(); |
| { |
| Metric metric; |
| |
| // Initialize metric. |
| metric.InitInstance(Isolate::Current(), "a.b.c", "foobar", |
| Metric::kCounter); |
| EXPECT_EQ(0, metric.value()); |
| metric.increment(); |
| EXPECT_EQ(1, metric.value()); |
| metric.set_value(44); |
| EXPECT_EQ(44, metric.value()); |
| } |
| Dart_ShutdownIsolate(); |
| } |
| |
| class MyMetric : public Metric { |
| protected: |
| int64_t Value() const { |
| // 99 bytes. |
| return 99; |
| } |
| |
| public: |
| // Just used for testing. |
| int64_t LeakyValue() const { return Value(); } |
| }; |
| |
| VM_UNIT_TEST_CASE(Metric_OnDemand) { |
| TestCase::CreateTestIsolate(); |
| { |
| Thread* thread = Thread::Current(); |
| TransitionNativeToVM transition(thread); |
| StackZone zone(thread); |
| HANDLESCOPE(thread); |
| MyMetric metric; |
| |
| metric.InitInstance(Isolate::Current(), "a.b.c", "foobar", Metric::kByte); |
| // value is still the default value. |
| EXPECT_EQ(0, metric.value()); |
| // Call LeakyValue to confirm that Value returns constant 99. |
| EXPECT_EQ(99, metric.LeakyValue()); |
| |
| // Serialize to JSON. |
| JSONStream js; |
| metric.PrintJSON(&js); |
| const char* json = js.ToCString(); |
| EXPECT_STREQ( |
| "{\"type\":\"Counter\",\"name\":\"a.b.c\",\"description\":" |
| "\"foobar\",\"unit\":\"byte\"," |
| "\"fixedId\":true,\"id\":\"metrics\\/native\\/a.b.c\"" |
| ",\"value\":99.000000}", |
| json); |
| } |
| Dart_ShutdownIsolate(); |
| } |
| |
| #endif // !PRODUCT |
| |
| } // namespace dart |