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@@ -0,0 +1,117 @@
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+/**
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+ * Licensed to the Apache Software Foundation (ASF) under one
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+ * or more contributor license agreements. See the NOTICE file
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+ * distributed with this work for additional information
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+ * regarding copyright ownership. The ASF licenses this file
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+ * to you under the Apache License, Version 2.0 (the
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+ * "License"); you may not use this file except in compliance
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+ * with the License. You may obtain a copy of the License at
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+ *
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+ * http://www.apache.org/licenses/LICENSE-2.0
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+ *
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+ * Unless required by applicable law or agreed to in writing, software
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+ * distributed under the License is distributed on an "AS IS" BASIS,
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+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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+ * See the License for the specific language governing permissions and
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+ * limitations under the License.
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+ */
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+
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+
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+#include <hdfs/hdfs.h>
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+#include <libhdfspp/hdfs_ext.h>
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+
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+#include <google/protobuf/io/coded_stream.h>
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+#include <gmock/gmock.h>
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+
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+#include <string.h>
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+#include <string>
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+
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+using ::testing::_;
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+using ::testing::InvokeArgument;
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+using ::testing::Return;
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+
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+/* Don't need a real minidfs cluster since this just passes invalid params. */
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+
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+TEST(HdfsppErrors, NullFileSystem) {
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+
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+ char buf[4096];
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+
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+ hdfsFS fs = nullptr;
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+ hdfsFile fd = reinterpret_cast<hdfsFile>(1);
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+
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+ tSize res = hdfsRead(fs, fd, buf, 4096);
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+ ASSERT_EQ(res, -1);
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+
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+ hdfsGetLastError(buf, 4096);
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+
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+ ASSERT_EQ(std::string(buf), "Cannot perform FS operations with null FS handle.");
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+}
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+
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+TEST(HdfsppErrors, NullFileHandle) {
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+ char buf[4096];
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+
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+ hdfsFS fs = reinterpret_cast<hdfsFS>(1);
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+ hdfsFile fd = nullptr;
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+
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+ tSize res = hdfsRead(fs, fd, buf, 4096);
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+ ASSERT_EQ(res, -1);
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+
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+ hdfsGetLastError(buf, 4096);
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+
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+ ASSERT_EQ(std::string(buf), "Cannot perform FS operations with null File handle.");
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+}
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+
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+TEST(HdfsppErrors, ZeroLength) {
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+ char buf[1];
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+ buf[0] = 0;
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+
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+ hdfsFS fs = reinterpret_cast<hdfsFS>(1);
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+ hdfsFile fd = nullptr;
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+
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+ tSize res = hdfsRead(fs, fd, buf, 1);
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+ ASSERT_EQ(res, -1);
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+
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+ hdfsGetLastError(buf, 0);
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+
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+ ASSERT_EQ(std::string(buf), "");
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+}
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+
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+TEST(HdfsppErrors, NegativeLength) {
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+ char buf[1];
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+ buf[0] = 0;
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+
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+ hdfsFS fs = reinterpret_cast<hdfsFS>(1);
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+ hdfsFile fd = nullptr;
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+
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+ tSize res = hdfsRead(fs, fd, buf, 1);
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+ ASSERT_EQ(res, -1);
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+
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+ hdfsGetLastError(buf, -1);
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+
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+ ASSERT_EQ(std::string(buf), "");
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+}
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+
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+TEST(HdfsppErrors, MessageTruncation) {
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+ char buf[4096];
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+
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+ hdfsFS fs = reinterpret_cast<hdfsFS>(1);
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+ hdfsFile fd = nullptr;
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+
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+ tSize res = hdfsRead(fs, fd, buf, 4096);
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+ ASSERT_EQ(res, -1);
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+
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+ hdfsGetLastError(buf, 10);
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+
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+ ASSERT_EQ(std::string(buf), "Cannot pe");
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+}
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+
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+int main(int argc, char *argv[]) {
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+ // The following line must be executed to initialize Google Mock
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+ // (and Google Test) before running the tests.
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+ ::testing::InitGoogleMock(&argc, argv);
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+ int exit_code = RUN_ALL_TESTS();
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+ google::protobuf::ShutdownProtobufLibrary();
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+
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+ return exit_code;
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+}
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+
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James