1 files changed, 84 insertions, 0 deletions
diff --git a/simpleperf/MapRecordReader_test.cpp b/simpleperf/MapRecordReader_test.cpp
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+/*
+ * Copyright (C) 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "MapRecordReader.h"
+
+#include <optional>
+
+#include <gtest/gtest.h>
+
+#include "environment.h"
+#include "event_attr.h"
+#include "event_type.h"
+
+using namespace simpleperf;
+
+class MapRecordReaderTest : public ::testing::Test {
+ protected:
+  bool CreateMapRecordReader() {
+    const EventType* event_type = FindEventTypeByName("cpu-clock");
+    if (event_type == nullptr) {
+      return false;
+    }
+    attr_ = CreateDefaultPerfEventAttr(*event_type);
+    reader_.emplace(attr_, 0, true);
+    reader_->SetCallback([this](Record* r) { return CountRecord(r); });
+    return true;
+  }
+
+  bool CountRecord(Record* r) {
+    if (r->type() == PERF_RECORD_MMAP || r->type() == PERF_RECORD_MMAP2) {
+      map_record_count_++;
+    } else if (r->type() == PERF_RECORD_COMM) {
+      comm_record_count_++;
+    }
+    return true;
+  }
+
+  perf_event_attr attr_;
+  std::optional<MapRecordReader> reader_;
+  size_t map_record_count_ = 0;
+  size_t comm_record_count_ = 0;
+};
+
+TEST_F(MapRecordReaderTest, ReadKernelMaps) {
+  ASSERT_TRUE(CreateMapRecordReader());
+  ASSERT_TRUE(reader_->ReadKernelMaps());
+  ASSERT_GT(map_record_count_, 0);
+}
+
+TEST_F(MapRecordReaderTest, ReadProcessMaps) {
+  ASSERT_TRUE(CreateMapRecordReader());
+  ASSERT_TRUE(reader_->ReadProcessMaps(getpid(), 0));
+  ASSERT_GT(map_record_count_, 0);
+  ASSERT_GT(comm_record_count_, 0);
+}
+
+TEST_F(MapRecordReaderTest, MapRecordThread) {
+#ifdef __ANDROID__
+  std::string tmpdir = "/data/local/tmp";
+#else
+  std::string tmpdir = "/tmp";
+#endif
+  auto scoped_temp_files = ScopedTempFiles::Create(tmpdir);
+  ASSERT_TRUE(scoped_temp_files);
+  ASSERT_TRUE(CreateMapRecordReader());
+  MapRecordThread thread(*reader_);
+  ASSERT_TRUE(thread.Join());
+  ASSERT_TRUE(thread.ReadMapRecords([this](Record* r) { return CountRecord(r); }));
+  ASSERT_GT(map_record_count_, 0);
+  ASSERT_GT(comm_record_count_, 0);
+}