1 files changed, 68 insertions, 0 deletions

diff --git a/libunwindstack/tests/DwarfOpLogTest.cpp b/libunwindstack/tests/DwarfOpLogTest.cpp
new file mode 100644
index 000000000..d18aad056
--- /dev/null
+++ b/libunwindstack/tests/DwarfOpLogTest.cpp
@@ -0,0 +1,68 @@
+/*
+ * Copyright (C) 2016 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 <stdint.h>
+
+#include <ios>
+#include <vector>
+
+#include <gtest/gtest.h>
+
+#include "DwarfError.h"
+#include "DwarfMemory.h"
+#include "DwarfOp.h"
+#include "Log.h"
+#include "Regs.h"
+
+#include "MemoryFake.h"
+
+template <typename TypeParam>
+class DwarfOpLogTest : public ::testing::Test {
+ protected:
+  void SetUp() override {
+    op_memory_.Clear();
+    regular_memory_.Clear();
+    mem_.reset(new DwarfMemory(&op_memory_));
+    op_.reset(new DwarfOp<TypeParam>(mem_.get(), &regular_memory_));
+  }
+
+  MemoryFake op_memory_;
+  MemoryFake regular_memory_;
+
+  std::unique_ptr<DwarfMemory> mem_;
+  std::unique_ptr<DwarfOp<TypeParam>> op_;
+};
+TYPED_TEST_CASE_P(DwarfOpLogTest);
+
+TYPED_TEST_P(DwarfOpLogTest, multiple_ops) {
+  // Multi operation opcodes.
+  std::vector<uint8_t> opcode_buffer = {
+      0x0a, 0x20, 0x10, 0x08, 0x03, 0x12, 0x27,
+  };
+  this->op_memory_.SetMemory(0, opcode_buffer);
+
+  std::vector<std::string> lines;
+  this->op_->GetLogInfo(0, opcode_buffer.size(), &lines);
+  std::vector<std::string> expected{
+      "DW_OP_const2u 4128", "Raw Data: 0x0a 0x20 0x10", "DW_OP_const1u 3", "Raw Data: 0x08 0x03",
+      "DW_OP_dup",          "Raw Data: 0x12",           "DW_OP_xor",       "Raw Data: 0x27"};
+  ASSERT_EQ(expected, lines);
+}
+
+REGISTER_TYPED_TEST_CASE_P(DwarfOpLogTest, multiple_ops);
+
+typedef ::testing::Types<uint32_t, uint64_t> DwarfOpLogTestTypes;
+INSTANTIATE_TYPED_TEST_CASE_P(, DwarfOpLogTest, DwarfOpLogTestTypes);