libbinder_ndk: ScopedAStatus ostream<<

For developer convenience.

Bug: N/A
Test: binderVendorDoubleLoadTest
Change-Id: I3ca6c67a30682d53dc4767695f19436e5ef992c3
(cherry picked from commit 9afdc0f1449f89f6c50c39f0004c33aa2456df3c)
Merged-In: I3ca6c67a30682d53dc4767695f19436e5ef992c3

2 files changed, 8 insertions, 3 deletions

diff --git a/libs/binder/ndk/include_cpp/android/binder_auto_utils.h b/libs/binder/ndk/include_cpp/android/binder_auto_utils.h
index 7ea9be797b..885048a3d3 100644
--- a/libs/binder/ndk/include_cpp/android/binder_auto_utils.h
+++ b/libs/binder/ndk/include_cpp/android/binder_auto_utils.h
@@ -30,11 +30,11 @@
 #include <android/binder_internal_logging.h>
 #include <android/binder_parcel.h>
 #include <android/binder_status.h>
-
 #include <assert.h>
-
 #include <unistd.h>
+
 #include <cstddef>
+#include <iostream>
 #include <string>
 
 namespace ndk {
@@ -315,6 +315,11 @@ class ScopedAStatus : public impl::ScopedAResource<AStatus*, AStatus_delete, nul
     }
 };
 
+static inline std::ostream& operator<<(std::ostream& os, const ScopedAStatus& status) {
+    return os << status.getDescription();
+    return os;
+}
+
 /**
  * Convenience wrapper. See AIBinder_DeathRecipient.
  */
diff --git a/libs/binder/ndk/tests/binderVendorDoubleLoadTest.cpp b/libs/binder/ndk/tests/binderVendorDoubleLoadTest.cpp
index f3cd21822d..43b2cb8577 100644
--- a/libs/binder/ndk/tests/binderVendorDoubleLoadTest.cpp
+++ b/libs/binder/ndk/tests/binderVendorDoubleLoadTest.cpp
@@ -106,7 +106,7 @@ TEST(DoubleBinder, CallIntoNdk) {
         std::string outString;
         ScopedAStatus status = server->RepeatString("foo", &outString);
         EXPECT_EQ(STATUS_OK, AStatus_getExceptionCode(status.get()))
-                << serviceName << " " << status.getDescription();
+                << serviceName << " " << status;
         EXPECT_EQ("foo", outString) << serviceName;
     }
 }