1 files changed, 81 insertions, 0 deletions
diff --git a/compiler/utils/swap_space_test.cc b/compiler/utils/swap_space_test.cc
new file mode 100644
index 0000000000..bf50ac3209
--- /dev/null
+++ b/compiler/utils/swap_space_test.cc
@@ -0,0 +1,81 @@
+/*
+ * Copyright (C) 2014 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 "utils/swap_space.h"
+
+#include <cstdio>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include "gtest/gtest.h"
+
+#include "base/unix_file/fd_file.h"
+#include "common_runtime_test.h"
+#include "os.h"
+
+namespace art {
+
+class SwapSpaceTest : public CommonRuntimeTest {
+};
+
+static void SwapTest(bool use_file) {
+  ScratchFile scratch;
+  int fd = scratch.GetFd();
+  unlink(scratch.GetFilename().c_str());
+
+  SwapSpace pool(fd, 1 * MB);
+  SwapAllocator<void> alloc(use_file ? &pool : nullptr);
+
+  SwapVector<int32_t> v(alloc);
+  v.reserve(1000000);
+  for (int32_t i = 0; i < 1000000; ++i) {
+    v.push_back(i);
+    EXPECT_EQ(i, v[i]);
+  }
+
+  SwapVector<int32_t> v2(alloc);
+  v2.reserve(1000000);
+  for (int32_t i = 0; i < 1000000; ++i) {
+    v2.push_back(i);
+    EXPECT_EQ(i, v2[i]);
+  }
+
+  SwapVector<int32_t> v3(alloc);
+  v3.reserve(500000);
+  for (int32_t i = 0; i < 1000000; ++i) {
+    v3.push_back(i);
+    EXPECT_EQ(i, v2[i]);
+  }
+
+  // Verify contents.
+  for (int32_t i = 0; i < 1000000; ++i) {
+    EXPECT_EQ(i, v[i]);
+    EXPECT_EQ(i, v2[i]);
+    EXPECT_EQ(i, v3[i]);
+  }
+
+  scratch.Close();
+}
+
+TEST_F(SwapSpaceTest, Memory) {
+  SwapTest(false);
+}
+
+TEST_F(SwapSpaceTest, Swap) {
+  SwapTest(true);
+}
+
+}  // namespace art