Merge "base: extract {ASSERT,EXPECT}_MATCH helpers from debuggerd_test."

3 files changed, 76 insertions, 0 deletions

diff --git a/base/Android.bp b/base/Android.bp
index ad0edf4a9..01800afad 100644
--- a/base/Android.bp
+++ b/base/Android.bp
@@ -116,6 +116,7 @@ cc_test {
         "stringprintf_test.cpp",
         "strings_test.cpp",
         "test_main.cpp",
+        "test_utils_test.cpp",
     ],
     target: {
         android: {
diff --git a/base/include/android-base/test_utils.h b/base/include/android-base/test_utils.h
index 4cfa06ba5..2edafe344 100644
--- a/base/include/android-base/test_utils.h
+++ b/base/include/android-base/test_utils.h
@@ -17,6 +17,7 @@
 #ifndef ANDROID_BASE_TEST_UTILS_H
 #define ANDROID_BASE_TEST_UTILS_H
 
+#include <regex>
 #include <string>
 
 #include <android-base/macros.h>
@@ -70,4 +71,32 @@ class CapturedStderr {
   DISALLOW_COPY_AND_ASSIGN(CapturedStderr);
 };
 
+#define ASSERT_MATCH(str, pattern)                                             \
+  do {                                                                         \
+    if (!std::regex_search((str), std::regex((pattern)))) {                    \
+      FAIL() << "regex mismatch: expected " << (pattern) << " in:\n" << (str); \
+    }                                                                          \
+  } while (0)
+
+#define ASSERT_NOT_MATCH(str, pattern)                                                     \
+  do {                                                                                     \
+    if (std::regex_search((str), std::regex((pattern)))) {                                 \
+      FAIL() << "regex mismatch: expected to not find " << (pattern) << " in:\n" << (str); \
+    }                                                                                      \
+  } while (0)
+
+#define EXPECT_MATCH(str, pattern)                                                    \
+  do {                                                                                \
+    if (!std::regex_search((str), std::regex((pattern)))) {                           \
+      ADD_FAILURE() << "regex mismatch: expected " << (pattern) << " in:\n" << (str); \
+    }                                                                                 \
+  } while (0)
+
+#define EXPECT_NOT_MATCH(str, pattern)                                                            \
+  do {                                                                                            \
+    if (std::regex_search((str), std::regex((pattern)))) {                                        \
+      ADD_FAILURE() << "regex mismatch: expected to not find " << (pattern) << " in:\n" << (str); \
+    }                                                                                             \
+  } while (0)
+
 #endif  // ANDROID_BASE_TEST_UTILS_H
diff --git a/base/test_utils_test.cpp b/base/test_utils_test.cpp
new file mode 100644
index 000000000..597271a72
--- /dev/null
+++ b/base/test_utils_test.cpp
@@ -0,0 +1,46 @@
+/*
+ * 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 "android-base/test_utils.h"
+
+#include <gtest/gtest-spi.h>
+#include <gtest/gtest.h>
+
+namespace android {
+namespace base {
+
+TEST(TestUtilsTest, AssertMatch) {
+  ASSERT_MATCH("foobar", R"(fo+baz?r)");
+  EXPECT_FATAL_FAILURE(ASSERT_MATCH("foobar", R"(foobaz)"), "regex mismatch");
+}
+
+TEST(TestUtilsTest, AssertNotMatch) {
+  ASSERT_NOT_MATCH("foobar", R"(foobaz)");
+  EXPECT_FATAL_FAILURE(ASSERT_NOT_MATCH("foobar", R"(foobar)"), "regex mismatch");
+}
+
+TEST(TestUtilsTest, ExpectMatch) {
+  EXPECT_MATCH("foobar", R"(fo+baz?r)");
+  EXPECT_NONFATAL_FAILURE(EXPECT_MATCH("foobar", R"(foobaz)"), "regex mismatch");
+}
+
+TEST(TestUtilsTest, ExpectNotMatch) {
+  EXPECT_NOT_MATCH("foobar", R"(foobaz)");
+  EXPECT_NONFATAL_FAILURE(EXPECT_NOT_MATCH("foobar", R"(foobar)"), "regex mismatch");
+}
+
+}  // namespace base
+}  // namespace android