From acf5aa76a56f101607aeb8e6d1fbea24d0d4f68c Mon Sep 17 00:00:00 2001
From: jeffhao <jeffhao@google.com>
Date: Wed, 12 Sep 2012 17:25:30 -0700
Subject: [PATCH] Added new test for dlopen which is failing for MIPS.

Change-Id: I2240faefb387a11647f49b1a15699907a40f98c1
---
 tests/Android.mk      | 17 ++++++++++++-----
 tests/dlopen_test.cpp | 38 ++++++++++++++++++++++++++++++++++++++
 2 files changed, 50 insertions(+), 5 deletions(-)
 create mode 100644 tests/dlopen_test.cpp

diff --git a/tests/Android.mk b/tests/Android.mk
index ae57d9bfb..a97334175 100644
--- a/tests/Android.mk
+++ b/tests/Android.mk
@@ -23,22 +23,28 @@ test_src_files = \
     pthread_test.cpp \
     regex_test.cpp \
 
+test_dynamic_ldflags = -Wl,--export-dynamic -Wl,-u,DlSymTestFunction
+test_dynamic_src_files = \
+    dlopen_test.cpp \
+
 # Build for the device (with bionic's .so). Run with:
 #   adb shell /data/nativetest/bionic-unit-tests/bionic-unit-tests
 include $(CLEAR_VARS)
 LOCAL_MODULE := bionic-unit-tests
 LOCAL_ADDITIONAL_DEPENDENCIES := $(LOCAL_PATH)/Android.mk
-LOCAL_SRC_FILES := $(test_src_files)
+LOCAL_LDFLAGS += $(test_dynamic_ldflags)
+LOCAL_SHARED_LIBRARIES += libdl
+LOCAL_SRC_FILES := $(test_src_files) $(test_dynamic_src_files)
 include $(BUILD_NATIVE_TEST)
 
 # Build for the device (with bionic's .a). Run with:
 #   adb shell /data/nativetest/bionic-unit-tests-static/bionic-unit-tests-static
 include $(CLEAR_VARS)
-LOCAL_FORCE_STATIC_EXECUTABLE := true
-LOCAL_STATIC_LIBRARIES += libstlport_static libstdc++ libm libc
 LOCAL_MODULE := bionic-unit-tests-static
 LOCAL_ADDITIONAL_DEPENDENCIES := $(LOCAL_PATH)/Android.mk
+LOCAL_FORCE_STATIC_EXECUTABLE := true
 LOCAL_SRC_FILES := $(test_src_files)
+LOCAL_STATIC_LIBRARIES += libstlport_static libstdc++ libm libc
 include $(BUILD_NATIVE_TEST)
 
 # Build for the host (with glibc).
@@ -48,8 +54,9 @@ include $(BUILD_NATIVE_TEST)
 include $(CLEAR_VARS)
 LOCAL_MODULE := bionic-unit-tests-glibc
 LOCAL_ADDITIONAL_DEPENDENCIES := $(LOCAL_PATH)/Android.mk
-LOCAL_LDFLAGS += -lpthread
-LOCAL_SRC_FILES := $(test_src_files)
+LOCAL_LDFLAGS += -lpthread -ldl
+LOCAL_LDFLAGS += $(test_dynamic_ldflags)
+LOCAL_SRC_FILES := $(test_src_files) $(test_dynamic_src_files)
 include $(BUILD_HOST_NATIVE_TEST)
 
 endif # !BUILD_TINY_ANDROID
diff --git a/tests/dlopen_test.cpp b/tests/dlopen_test.cpp
new file mode 100644
index 000000000..c290b4d37
--- /dev/null
+++ b/tests/dlopen_test.cpp
@@ -0,0 +1,38 @@
+/*
+ * Copyright (C) 2012 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 <gtest/gtest.h>
+
+#include <dlfcn.h>
+
+static bool gCalled = false;
+extern "C" void DlSymTestFunction() {
+  gCalled = true;
+}
+
+TEST(dlopen, dlsym_in_self) {
+  void* self = dlopen(NULL, RTLD_NOW);
+  ASSERT_TRUE(self != NULL);
+
+  void* sym = dlsym(self, "DlSymTestFunction");
+  ASSERT_TRUE(sym != NULL);
+
+  void (*function)() = reinterpret_cast<void(*)()>(sym);
+
+  gCalled = false;
+  function();
+  ASSERT_TRUE(gCalled);
+}