AAPT2: Fix file::mkdirs when given absolute paths

file::mkdirs would try to extract the first part of the
path '/path' which would be the empty string ''. Mkdir would
fail creating the empty string directory.

Change-Id: Ice8ba92135f145f52f3663499a2c49eebe797328

1 files changed, 58 insertions, 0 deletions

diff --git a/tools/aapt2/util/Files_test.cpp b/tools/aapt2/util/Files_test.cpp
new file mode 100644
index 000000000000..efb04593ff82
--- /dev/null
+++ b/tools/aapt2/util/Files_test.cpp
@@ -0,0 +1,58 @@
+/*
+ * Copyright (C) 2016 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 "test/Test.h"
+#include "util/Files.h"
+
+#include <sstream>
+
+namespace aapt {
+namespace file {
+
+class FilesTest : public ::testing::Test {
+public:
+    void SetUp() override {
+        std::stringstream builder;
+        builder << "hello" << sDirSep << "there";
+        mExpectedPath = builder.str();
+    }
+
+protected:
+    std::string mExpectedPath;
+};
+
+TEST_F(FilesTest, appendPath) {
+    std::string base = "hello";
+    appendPath(&base, "there");
+    EXPECT_EQ(mExpectedPath, base);
+}
+
+TEST_F(FilesTest, appendPathWithLeadingOrTrailingSeparators) {
+    std::string base = "hello/";
+    appendPath(&base, "there");
+    EXPECT_EQ(mExpectedPath, base);
+
+    base = "hello";
+    appendPath(&base, "/there");
+    EXPECT_EQ(mExpectedPath, base);
+
+    base = "hello/";
+    appendPath(&base, "/there");
+    EXPECT_EQ(mExpectedPath, base);
+}
+
+} // namespace files
+} // namespace aapt