Merge of Breakpad Chrome Linux fork

A=agl, Lei Zhang
R=nealsid, agl



git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@384 4c0a9323-5329-0410-9bdc-e9ce6186880e

src/common/linux/linux_libc_support_unittest.cc

@@ -0,0 +1,153 @@
+// Copyright (c) 2009, Google Inc.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#include "breakpad/linux/linux_libc_support.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace {
+typedef testing::Test LinuxLibcSupportTest;
+}
+
+TEST(LinuxLibcSupportTest, strlen) {
+  static const char* test_data[] = { "", "a", "aa", "aaa", "aabc", NULL };
+  for (unsigned i = 0; ; ++i) {
+    if (!test_data[i])
+      break;
+    ASSERT_EQ(strlen(test_data[i]), my_strlen(test_data[i]));
+  }
+}
+
+TEST(LinuxLibcSupportTest, strcmp) {
+  static const char* test_data[] = {
+    "", "",
+    "a", "",
+    "", "a",
+    "a", "b",
+    "a", "a",
+    "ab", "aa",
+    "abc", "ab",
+    "abc", "abc",
+    NULL,
+  };
+
+  for (unsigned i = 0; ; ++i) {
+    if (!test_data[i*2])
+      break;
+    ASSERT_EQ(my_strcmp(test_data[i*2], test_data[i*2 + 1]),
+              strcmp(test_data[i*2], test_data[i*2 + 1]));
+  }
+}
+
+TEST(LinuxLibcSupportTest, strtoui) {
+  int result;
+
+  ASSERT_FALSE(my_strtoui(&result, ""));
+  ASSERT_FALSE(my_strtoui(&result, "-1"));
+  ASSERT_FALSE(my_strtoui(&result, "-"));
+  ASSERT_FALSE(my_strtoui(&result, "a"));
+  ASSERT_FALSE(my_strtoui(&result, "23472893472938472987987398472398"));
+
+  ASSERT_TRUE(my_strtoui(&result, "0"));
+  ASSERT_EQ(result, 0);
+  ASSERT_TRUE(my_strtoui(&result, "1"));
+  ASSERT_EQ(result, 1);
+  ASSERT_TRUE(my_strtoui(&result, "12"));
+  ASSERT_EQ(result, 12);
+  ASSERT_TRUE(my_strtoui(&result, "123"));
+  ASSERT_EQ(result, 123);
+  ASSERT_TRUE(my_strtoui(&result, "0123"));
+  ASSERT_EQ(result, 123);
+}
+
+TEST(LinuxLibcSupportTest, int_len) {
+  ASSERT_EQ(my_int_len(0), 1);
+  ASSERT_EQ(my_int_len(2), 1);
+  ASSERT_EQ(my_int_len(5), 1);
+  ASSERT_EQ(my_int_len(9), 1);
+  ASSERT_EQ(my_int_len(10), 2);
+  ASSERT_EQ(my_int_len(99), 2);
+  ASSERT_EQ(my_int_len(100), 3);
+  ASSERT_EQ(my_int_len(101), 3);
+  ASSERT_EQ(my_int_len(1000), 4);
+}
+
+TEST(LinuxLibcSupportTest, itos) {
+  char buf[10];
+
+  my_itos(buf, 0, 1);
+  ASSERT_EQ(0, memcmp(buf, "0", 1));
+
+  my_itos(buf, 1, 1);
+  ASSERT_EQ(0, memcmp(buf, "1", 1));
+
+  my_itos(buf, 10, 2);
+  ASSERT_EQ(0, memcmp(buf, "10", 2));
+
+  my_itos(buf, 63, 2);
+  ASSERT_EQ(0, memcmp(buf, "63", 2));
+
+  my_itos(buf, 101, 3);
+  ASSERT_EQ(0, memcmp(buf, "101", 2));
+}
+
+TEST(LinuxLibcSupportTest, strchr) {
+  ASSERT_EQ(NULL, my_strchr("abc", 'd'));
+  ASSERT_EQ(NULL, my_strchr("", 'd'));
+  ASSERT_EQ(NULL, my_strchr("efghi", 'd'));
+
+  ASSERT_TRUE(my_strchr("a", 'a'));
+  ASSERT_TRUE(my_strchr("abc", 'a'));
+  ASSERT_TRUE(my_strchr("bcda", 'a'));
+  ASSERT_TRUE(my_strchr("sdfasdf", 'a'));
+}
+
+TEST(LinuxLibcSupportTest, read_hex_ptr) {
+  uintptr_t result;
+  const char* last;
+
+  last = my_read_hex_ptr(&result, "");
+  ASSERT_EQ(result, 0);
+  ASSERT_EQ(*last, 0);
+
+  last = my_read_hex_ptr(&result, "0");
+  ASSERT_EQ(result, 0);
+  ASSERT_EQ(*last, 0);
+
+  last = my_read_hex_ptr(&result, "0123");
+  ASSERT_EQ(result, 0x123);
+  ASSERT_EQ(*last, 0);
+
+  last = my_read_hex_ptr(&result, "0123a");
+  ASSERT_EQ(result, 0x123a);
+  ASSERT_EQ(*last, 0);
+
+  last = my_read_hex_ptr(&result, "0123a-");
+  ASSERT_EQ(result, 0x123a);
+  ASSERT_EQ(*last, '-');
+}