Add code cache tests to libnativebridge.

Bug: 18027433
Change-Id: Ie5369c0d5bd147af412174dc0753d8a314196643

libnativebridge/tests/Android.mk

@@ -7,6 +7,8 @@ include $(CLEAR_VARS)
 
 # Build the unit tests.
 test_src_files := \
+    CodeCacheCreate_test.cpp \
+    CodeCacheExists_test.cpp \
     CompleteFlow_test.cpp \
     InvalidCharsNativeBridge_test.cpp \
     NeedsNativeBridge_test.cpp \

libnativebridge/tests/CodeCacheCreate_test.cpp

@@ -0,0 +1,50 @@
+/*
+ * 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 "NativeBridgeTest.h"
+
+#include <sys/stat.h>
+#include <unistd.h>
+
+namespace android {
+
+// Tests that the bridge initialization creates the code_cache if it doesn't
+// exists.
+TEST_F(NativeBridgeTest, CodeCacheCreate) {
+    // Make sure that code_cache does not exists
+    struct stat st;
+    ASSERT_EQ(-1, stat(kCodeCache, &st));
+    ASSERT_EQ(ENOENT, errno);
+
+    // Init
+    ASSERT_TRUE(LoadNativeBridge(kNativeBridgeLibrary, nullptr));
+    ASSERT_TRUE(PreInitializeNativeBridge(".", "isa"));
+    ASSERT_TRUE(InitializeNativeBridge(nullptr, nullptr));
+    ASSERT_TRUE(NativeBridgeAvailable());
+    ASSERT_FALSE(NativeBridgeError());
+
+    // Check that code_cache was created
+    ASSERT_EQ(0, stat(kCodeCache, &st));
+    ASSERT_TRUE(S_ISDIR(st.st_mode));
+
+    // Clean up
+    UnloadNativeBridge();
+    ASSERT_EQ(0, rmdir(kCodeCache));
+
+    ASSERT_FALSE(NativeBridgeError());
+}
+
+}  // namespace android

libnativebridge/tests/CodeCacheExists_test.cpp

@@ -0,0 +1,53 @@
+/*
+ * 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 "NativeBridgeTest.h"
+
+#include <sys/stat.h>
+#include <unistd.h>
+
+namespace android {
+
+// Tests that the bridge is initialized without errors if the code_cache already
+// exists.
+TEST_F(NativeBridgeTest, CodeCacheExists) {
+    // Make sure that code_cache does not exists
+    struct stat st;
+    ASSERT_EQ(-1, stat(kCodeCache, &st));
+    ASSERT_EQ(ENOENT, errno);
+
+    // Create the code_cache
+    ASSERT_EQ(0, mkdir(kCodeCache, S_IRWXU | S_IRWXG | S_IXOTH));
+
+    // Init
+    ASSERT_TRUE(LoadNativeBridge(kNativeBridgeLibrary, nullptr));
+    ASSERT_TRUE(PreInitializeNativeBridge(".", "isa"));
+    ASSERT_TRUE(InitializeNativeBridge(nullptr, nullptr));
+    ASSERT_TRUE(NativeBridgeAvailable());
+    ASSERT_FALSE(NativeBridgeError());
+
+    // Check that the code cache is still there
+    ASSERT_EQ(0, stat(kCodeCache, &st));
+    ASSERT_TRUE(S_ISDIR(st.st_mode));
+
+    // Clean up
+    UnloadNativeBridge();
+    ASSERT_EQ(0, rmdir(kCodeCache));
+
+    ASSERT_FALSE(NativeBridgeError());
+}
+
+}  // namespace android

libnativebridge/tests/CompleteFlow_test.cpp

@@ -16,6 +16,8 @@
 
 #include "NativeBridgeTest.h"
 
+#include <unistd.h>
+
 namespace android {
 
 TEST_F(NativeBridgeTest, CompleteFlow) {
@@ -34,8 +36,11 @@ TEST_F(NativeBridgeTest, CompleteFlow) {
 
     // Unload
     UnloadNativeBridge();
-
+    ASSERT_FALSE(NativeBridgeAvailable());
     ASSERT_FALSE(NativeBridgeError());
+
+    // Clean-up code_cache
+    ASSERT_EQ(0, rmdir(kCodeCache));
 }
 
 }  // namespace android

libnativebridge/tests/NativeBridgeTest.h

@@ -23,6 +23,7 @@
 #include <gtest/gtest.h>
 
 constexpr const char* kNativeBridgeLibrary = "libnativebridge-dummy.so";
+constexpr const char* kCodeCache = "./code_cache";
 
 namespace android {