1 files changed, 68 insertions, 0 deletions
diff --git a/tools/aapt2/text/Unicode_test.cpp b/tools/aapt2/text/Unicode_test.cpp
new file mode 100644
index 000000000000..d47fb282bc0a
--- /dev/null
+++ b/tools/aapt2/text/Unicode_test.cpp
@@ -0,0 +1,68 @@
+/*
+ * Copyright (C) 2017 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 "text/Unicode.h"
+
+#include "test/Test.h"
+
+using ::testing::Each;
+using ::testing::Eq;
+using ::testing::ResultOf;
+
+namespace aapt {
+namespace text {
+
+TEST(UnicodeTest, IsXidStart) {
+  std::u32string valid_input = U"abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZˮø";
+  EXPECT_THAT(valid_input, Each(ResultOf(IsXidStart, Eq(true))));
+
+  std::u32string invalid_input = U"$;\'/<>+=-.{}[]()\\|?@#%^&*!~`\",1234567890_";
+  EXPECT_THAT(invalid_input, Each(ResultOf(IsXidStart, Eq(false))));
+}
+
+TEST(UnicodeTest, IsXidContinue) {
+  std::u32string valid_input = U"abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890_ˮø";
+  EXPECT_THAT(valid_input, Each(ResultOf(IsXidContinue, Eq(true))));
+
+  std::u32string invalid_input = U"$;\'/<>+=-.{}[]()\\|?@#%^&*!~`\",";
+  EXPECT_THAT(invalid_input, Each(ResultOf(IsXidContinue, Eq(false))));
+}
+
+TEST(UnicodeTest, IsJavaIdentifier) {
+  EXPECT_TRUE(IsJavaIdentifier("FøøBar_12"));
+  EXPECT_TRUE(IsJavaIdentifier("Føø$Bar"));
+
+  EXPECT_FALSE(IsJavaIdentifier("12FøøBar"));
+  EXPECT_FALSE(IsJavaIdentifier("_FøøBar"));
+  EXPECT_FALSE(IsJavaIdentifier("$Føø$Bar"));
+}
+
+TEST(UnicodeTest, IsValidResourceEntryName) {
+  EXPECT_TRUE(IsJavaIdentifier("FøøBar"));
+  EXPECT_TRUE(IsValidResourceEntryName("FøøBar_12"));
+  EXPECT_TRUE(IsValidResourceEntryName("Føø.Bar"));
+  EXPECT_TRUE(IsValidResourceEntryName("Føø-Bar"));
+  EXPECT_TRUE(IsValidResourceEntryName("_FøøBar"));
+
+  EXPECT_FALSE(IsValidResourceEntryName("12FøøBar"));
+  EXPECT_FALSE(IsValidResourceEntryName("Føø$Bar"));
+  EXPECT_FALSE(IsValidResourceEntryName("Føø/Bar"));
+  EXPECT_FALSE(IsValidResourceEntryName("Føø:Bar"));
+  EXPECT_FALSE(IsValidResourceEntryName("Føø;Bar"));
+}
+
+}  // namespace text
+}  // namespace aapt