1 files changed, 64 insertions, 0 deletions
diff --git a/simpleperf/utils_test.cpp b/simpleperf/utils_test.cpp
new file mode 100644
index 00000000..23c669e4
--- /dev/null
+++ b/simpleperf/utils_test.cpp
@@ -0,0 +1,64 @@
+/*
+ * 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 <gtest/gtest.h>
+
+#include "utils.h"
+
+static bool ModulesMatch(const char* p, const char* q) {
+  if (p == nullptr && q == nullptr) {
+    return true;
+  }
+  if (p != nullptr && q != nullptr) {
+    return strcmp(p, q) == 0;
+  }
+  return false;
+}
+
+static bool KernelSymbolsMatch(const KernelSymbol& sym1,
+                               const KernelSymbol& sym2) {
+  return sym1.addr == sym2.addr && sym1.type == sym2.type &&
+         strcmp(sym1.name, sym2.name) == 0 &&
+         ModulesMatch(sym1.module, sym2.module);
+}
+
+TEST(environment, ProcessKernelSymbols) {
+  std::string data =
+      "ffffffffa005c4e4 d __warned.41698   [libsas]\n"
+      "aaaaaaaaaaaaaaaa T _text\n"
+      "cccccccccccccccc c ccccc\n";
+  KernelSymbol expected_symbol;
+  expected_symbol.addr = 0xffffffffa005c4e4ULL;
+  expected_symbol.type = 'd';
+  expected_symbol.name = "__warned.41698";
+  expected_symbol.module = "libsas";
+  ASSERT_TRUE(ProcessKernelSymbols(
+      data,
+      std::bind(&KernelSymbolsMatch, std::placeholders::_1, expected_symbol)));
+
+  expected_symbol.addr = 0xaaaaaaaaaaaaaaaaULL;
+  expected_symbol.type = 'T';
+  expected_symbol.name = "_text";
+  expected_symbol.module = nullptr;
+  ASSERT_TRUE(ProcessKernelSymbols(
+      data,
+      std::bind(&KernelSymbolsMatch, std::placeholders::_1, expected_symbol)));
+
+  expected_symbol.name = "non_existent_symbol";
+  ASSERT_FALSE(ProcessKernelSymbols(
+      data,
+      std::bind(&KernelSymbolsMatch, std::placeholders::_1, expected_symbol)));
+}