1 files changed, 16 insertions, 0 deletions
diff --git a/liblog/tests/liblog_test.cpp b/liblog/tests/liblog_test.cpp
index 8b9f0f0eb..5faf8e162 100644
--- a/liblog/tests/liblog_test.cpp
+++ b/liblog/tests/liblog_test.cpp
@@ -2929,3 +2929,19 @@ TEST(liblog, __android_log_ratelimit) {
     }
     // Do not test default seconds, to allow liblog to tune freely
 }
+
+TEST(liblog, android_lookupEventTagNum) {
+#ifdef __ANDROID__
+    EventTagMap* map = android_openEventTagMap(NULL);
+    EXPECT_TRUE(NULL != map);
+    std::string Name = android::base::StringPrintf("a%d", getpid());
+    int tag = android_lookupEventTagNum(map, Name.c_str(), "(new|1)", ANDROID_LOG_UNKNOWN);
+    android_closeEventTagMap(map);
+    if (tag == -1) system("tail -3 /dev/event-log-tags >&2");
+    EXPECT_NE(-1, tag);
+    EXPECT_NE(0, tag);
+    EXPECT_GT(UINT32_MAX, (unsigned)tag);
+#else
+    GTEST_LOG_(INFO) << "This test does nothing.\n";
+#endif
+}