3 files changed, 3 insertions, 3 deletions
diff --git a/libutils/tests/Looper_test.cpp b/libutils/tests/Looper_test.cpp
index 17319e03f..8ebcfaf5a 100644
--- a/libutils/tests/Looper_test.cpp
+++ b/libutils/tests/Looper_test.cpp
@@ -76,7 +76,7 @@ public:
     int fd;
     int events;
 
-    StubCallbackHandler(int nextResult) : nextResult(nextResult),
+    explicit StubCallbackHandler(int nextResult) : nextResult(nextResult),
             callbackCount(0), fd(-1), events(-1) {
     }
 
diff --git a/libutils/tests/StrongPointer_test.cpp b/libutils/tests/StrongPointer_test.cpp
index f46d6d140..323a6f20a 100644
--- a/libutils/tests/StrongPointer_test.cpp
+++ b/libutils/tests/StrongPointer_test.cpp
@@ -23,7 +23,7 @@ using namespace android;
 
 class Foo : public LightRefBase<Foo> {
 public:
-    Foo(bool* deleted_check) : mDeleted(deleted_check) {
+    explicit Foo(bool* deleted_check) : mDeleted(deleted_check) {
         *mDeleted = false;
     }
 
diff --git a/libutils/tests/TestHelpers.h b/libutils/tests/TestHelpers.h
index d8e985e9c..6801cd739 100644
--- a/libutils/tests/TestHelpers.h
+++ b/libutils/tests/TestHelpers.h
@@ -60,7 +60,7 @@ class DelayedTask : public Thread {
     int mDelayMillis;
 
 public:
-    DelayedTask(int delayMillis) : mDelayMillis(delayMillis) { }
+    explicit DelayedTask(int delayMillis) : mDelayMillis(delayMillis) { }
 
 protected:
     virtual ~DelayedTask() { }