Load libraries in breadth-first order
This patch fixes the problem with symbol search order
for dlsym(RTLD_DEFAULT/RTLD_NEXT, .) by loading libraries
and ld_preloads in correct order.
Bug: https://code.google.com/p/android/issues/detail?id=74255
Attempt: 2
(cherry picked from commit 14669a939d113214a4a20b9318fca0992d5453f0)
Change-Id: Id87540c96a2242220967b6fa5d84ddcd829e2b97
diff --git a/tests/uniqueptr_test.cpp b/tests/uniqueptr_test.cpp
new file mode 100644
index 0000000..4b6608a
--- /dev/null
+++ b/tests/uniqueptr_test.cpp
@@ -0,0 +1,101 @@
+/*
+ * Copyright (C) 2014 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 <private/UniquePtr.h>
+
+static int cCount = 0;
+struct C {
+ C() { ++cCount; }
+ ~C() { --cCount; }
+};
+
+static bool freed = false;
+struct Freer {
+ void operator() (int* p) {
+ ASSERT_EQ(123, *p);
+ free(p);
+ freed = true;
+ }
+};
+
+TEST(UniquePtr, smoke) {
+ //
+ // UniquePtr<T> tests...
+ //
+
+ // Can we free a single object?
+ {
+ UniquePtr<C> c(new C);
+ ASSERT_TRUE(cCount == 1);
+ }
+ ASSERT_TRUE(cCount == 0);
+ // Does release work?
+ C* rawC;
+ {
+ UniquePtr<C> c(new C);
+ ASSERT_TRUE(cCount == 1);
+ rawC = c.release();
+ }
+ ASSERT_TRUE(cCount == 1);
+ delete rawC;
+ // Does reset work?
+ {
+ UniquePtr<C> c(new C);
+ ASSERT_TRUE(cCount == 1);
+ c.reset(new C);
+ ASSERT_TRUE(cCount == 1);
+ }
+ ASSERT_TRUE(cCount == 0);
+
+ //
+ // UniquePtr<T[]> tests...
+ //
+
+ // Can we free an array?
+ {
+ UniquePtr<C[]> cs(new C[4]);
+ ASSERT_TRUE(cCount == 4);
+ }
+ ASSERT_TRUE(cCount == 0);
+ // Does release work?
+ {
+ UniquePtr<C[]> c(new C[4]);
+ ASSERT_TRUE(cCount == 4);
+ rawC = c.release();
+ }
+ ASSERT_TRUE(cCount == 4);
+ delete[] rawC;
+ // Does reset work?
+ {
+ UniquePtr<C[]> c(new C[4]);
+ ASSERT_TRUE(cCount == 4);
+ c.reset(new C[2]);
+ ASSERT_TRUE(cCount == 2);
+ }
+ ASSERT_TRUE(cCount == 0);
+
+ //
+ // Custom deleter tests...
+ //
+ ASSERT_TRUE(!freed);
+ {
+ UniquePtr<int, Freer> i(reinterpret_cast<int*>(malloc(sizeof(int))));
+ *i = 123;
+ }
+ ASSERT_TRUE(freed);
+}