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// Copyright 2021 Code Intelligence GmbH
//
// 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 "jvm_tooling.h"
#include <memory>
#include "gflags/gflags.h"
#include "gtest/gtest.h"
#include "tools/cpp/runfiles/runfiles.h"
DECLARE_string(cp);
DECLARE_bool(hooks);
DECLARE_string(jvm_args);
#ifdef _WIN32
#define ARG_SEPARATOR ";"
#else
#define ARG_SEPARATOR ":"
#endif
namespace jazzer {
class JvmToolingTest : public ::testing::Test {
protected:
// After DestroyJavaVM() no new JVM instance can be created in the same
// process, so we set up a single JVM instance for this test binary which gets
// destroyed after all tests in this test suite have finished.
static void SetUpTestCase() {
FLAGS_hooks = false;
FLAGS_jvm_args =
"-Denv1=va\\" ARG_SEPARATOR "l1\\\\" ARG_SEPARATOR "-Denv2=val2";
using ::bazel::tools::cpp::runfiles::Runfiles;
Runfiles *runfiles = Runfiles::CreateForTest();
FLAGS_cp = runfiles->Rlocation(FLAGS_cp);
jvm_ = std::unique_ptr<JVM>(new JVM("test_executable"));
}
static void TearDownTestCase() { jvm_.reset(nullptr); }
static std::unique_ptr<JVM> jvm_;
};
std::unique_ptr<JVM> JvmToolingTest::jvm_ = nullptr;
TEST_F(JvmToolingTest, JniProperties) {
auto &env = jvm_->GetEnv();
auto property_printer_class = env.FindClass("test/PropertyPrinter");
ASSERT_NE(nullptr, property_printer_class);
auto method_id =
env.GetStaticMethodID(property_printer_class, "printProperty",
"(Ljava/lang/String;)Ljava/lang/String;");
ASSERT_NE(nullptr, method_id);
for (const auto &el : std::vector<std::pair<std::string, std::string>>{
{"not set property", ""},
{"env1", "va" ARG_SEPARATOR "l1\\"},
{"env2", "val2"}}) {
jstring str = env.NewStringUTF(el.first.c_str());
auto ret = (jstring)env.CallStaticObjectMethod(property_printer_class,
method_id, str);
ASSERT_FALSE(env.ExceptionCheck());
if (el.second.empty()) {
ASSERT_EQ(nullptr, ret);
} else {
ASSERT_NE(nullptr, ret);
jboolean is_copy;
ASSERT_EQ(el.second, env.GetStringUTFChars(ret, &is_copy));
}
}
}
} // namespace jazzer
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