1 files changed, 76 insertions, 0 deletions
diff --git a/cmds/idmap2/tests/FileUtilsTests.cpp b/cmds/idmap2/tests/FileUtilsTests.cpp
new file mode 100644
index 000000000000..0c6439ab8c0c
--- /dev/null
+++ b/cmds/idmap2/tests/FileUtilsTests.cpp
@@ -0,0 +1,76 @@
+/*
+ * Copyright (C) 2018 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 <dirent.h>
+#include <set>
+#include <string>
+
+#include "gmock/gmock.h"
+#include "gtest/gtest.h"
+
+#include "android-base/macros.h"
+
+#include "idmap2/FileUtils.h"
+
+#include "TestHelpers.h"
+
+using ::testing::NotNull;
+
+namespace android {
+namespace idmap2 {
+namespace utils {
+
+TEST(FileUtilsTests, FindFilesFindEverythingNonRecursive) {
+  const auto& root = GetTestDataPath();
+  auto v = utils::FindFiles(root, false,
+                            [](unsigned char type ATTRIBUTE_UNUSED,
+                               const std::string& path ATTRIBUTE_UNUSED) -> bool { return true; });
+  ASSERT_THAT(v, NotNull());
+  ASSERT_EQ(v->size(), 4u);
+  ASSERT_EQ(
+      std::set<std::string>(v->begin(), v->end()),
+      std::set<std::string>({root + "/.", root + "/..", root + "/overlay", root + "/target"}));
+}
+
+TEST(FileUtilsTests, FindFilesFindApkFilesRecursive) {
+  const auto& root = GetTestDataPath();
+  auto v = utils::FindFiles(root, true, [](unsigned char type, const std::string& path) -> bool {
+    return type == DT_REG && path.size() > 4 && !path.compare(path.size() - 4, 4, ".apk");
+  });
+  ASSERT_THAT(v, NotNull());
+  ASSERT_EQ(v->size(), 4u);
+  ASSERT_EQ(std::set<std::string>(v->begin(), v->end()),
+            std::set<std::string>({root + "/target/target.apk", root + "/overlay/overlay.apk",
+                                   root + "/overlay/overlay-static-1.apk",
+                                   root + "/overlay/overlay-static-2.apk"}));
+}
+
+TEST(FileUtilsTests, ReadFile) {
+  int pipefd[2];
+  ASSERT_EQ(pipe(pipefd), 0);
+
+  ASSERT_EQ(write(pipefd[1], "foobar", 6), 6);
+  close(pipefd[1]);
+
+  auto data = ReadFile(pipefd[0]);
+  ASSERT_THAT(data, NotNull());
+  ASSERT_EQ(*data, "foobar");
+  close(pipefd[0]);
+}
+
+}  // namespace utils
+}  // namespace idmap2
+}  // namespace android