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/*
* Copyright (C) 2021 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.
*/
#if defined(ART_TARGET_ANDROID)
#include "gtest/gtest.h"
#include "native_loader_test.h"
#include "nativehelper/scoped_utf_chars.h"
#include "nativeloader/native_loader.h"
namespace android {
namespace nativeloader {
using ::testing::Return;
using ::testing::StrEq;
// Test the exported API in libnativeloader and libnativeloader_lazy. The
// testing we can do here outside a full VM is limited, but this is only to
// complement other tests and ensure coverage of the APIs that aren't in the
// common call paths.
class NativeLoaderLazyTest : public ::testing::Test {
protected:
void SetUp() override {
mock = std::make_unique<testing::NiceMock<MockPlatform>>(false);
env = std::make_unique<JNIEnv>();
env->functions = CreateJNINativeInterface();
}
void TearDown() override {
// ResetNativeLoader isn't accessible through the lazy library, so we cannot
// reset libnativeloader internal state. Hence be sure to not reuse the same
// class loader/namespace names.
delete env->functions;
mock.reset();
}
void CallCreateClassLoaderNamespace(const char* class_loader) {
ON_CALL(*mock, JniObject_getParent(StrEq(class_loader))).WillByDefault(Return(nullptr));
jstring err = CreateClassLoaderNamespace(env.get(),
17,
env.get()->NewStringUTF(class_loader),
false,
env.get()->NewStringUTF("/data/app/foo/classes.dex"),
env.get()->NewStringUTF("/data/app/foo"),
/*permitted_path=*/nullptr,
/*uses_library_list=*/nullptr);
EXPECT_EQ(err, nullptr) << "Error is: " << std::string(ScopedUtfChars(env.get(), err).c_str());
}
std::unique_ptr<JNIEnv> env;
};
TEST_F(NativeLoaderLazyTest, CreateClassLoaderNamespace) {
CallCreateClassLoaderNamespace("my_classloader_1");
EXPECT_NE(FindNamespaceByClassLoader(env.get(), env.get()->NewStringUTF("my_classloader_1")),
nullptr);
}
TEST_F(NativeLoaderLazyTest, OpenNativeLibrary) {
bool needs_native_bridge;
char* errmsg = nullptr;
EXPECT_EQ(nullptr,
OpenNativeLibrary(env.get(),
17,
"libnotfound.so",
env.get()->NewStringUTF("my_classloader"),
/*caller_location=*/nullptr,
/*library_path=*/nullptr,
&needs_native_bridge,
&errmsg));
EXPECT_NE(nullptr, errmsg);
NativeLoaderFreeErrorMessage(errmsg);
}
TEST_F(NativeLoaderLazyTest, CloseNativeLibrary) {
char* errmsg = nullptr;
EXPECT_FALSE(CloseNativeLibrary(nullptr, false, &errmsg));
EXPECT_NE(nullptr, errmsg);
NativeLoaderFreeErrorMessage(errmsg);
}
TEST_F(NativeLoaderLazyTest, OpenNativeLibraryInNamespace) {
CallCreateClassLoaderNamespace("my_classloader_2");
struct NativeLoaderNamespace* ns = FindNativeLoaderNamespaceByClassLoader(
env.get(), env.get()->NewStringUTF("my_classloader_2"));
ASSERT_NE(nullptr, ns);
bool needs_native_bridge;
char* errmsg = nullptr;
EXPECT_FALSE(OpenNativeLibraryInNamespace(ns, "libnotfound.so", &needs_native_bridge, &errmsg));
EXPECT_NE(nullptr, errmsg);
NativeLoaderFreeErrorMessage(errmsg);
}
TEST_F(NativeLoaderLazyTest, FindNamespaceByClassLoader) {
EXPECT_EQ(nullptr, FindNamespaceByClassLoader(env.get(), env.get()->NewStringUTF("namespace")));
}
TEST_F(NativeLoaderLazyTest, FindNativeLoaderNamespaceByClassLoader) {
EXPECT_EQ(
nullptr,
FindNativeLoaderNamespaceByClassLoader(env.get(), env.get()->NewStringUTF("namespace")));
}
TEST_F(NativeLoaderLazyTest, NativeLoaderFreeErrorMessage) {
NativeLoaderFreeErrorMessage(nullptr);
}
} // namespace nativeloader
} // namespace android
#endif // defined(ART_TARGET_ANDROID)
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