base/pr_time_unittest.cc

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include <time.h>
   6
   7 #include "base/compiler_specific.h"
   8 #include "base/third_party/nspr/prtime.h"
   9 #include "base/time.h"
  10 #include "testing/gtest/include/gtest/gtest.h"
  11
  12 using base::Time;
  13
  14 namespace {
  15
  16 // time_t representation of 15th Oct 2007 12:45:00 PDT
  17 PRTime comparison_time_pdt = 1192477500 * Time::kMicrosecondsPerSecond;
  18
  19 // Specialized test fixture allowing time strings without timezones to be
  20 // tested by comparing them to a known time in the local zone.
  21 class PRTimeTest : public testing::Test {
  22  protected:
  23   virtual void SetUp() OVERRIDE {
  24     // Use mktime to get a time_t, and turn it into a PRTime by converting
  25     // seconds to microseconds.  Use 15th Oct 2007 12:45:00 local.  This
  26     // must be a time guaranteed to be outside of a DST fallback hour in
  27     // any timezone.
  28     struct tm local_comparison_tm = {
  29       0,            // second
  30       45,           // minute
  31       12,           // hour
  32       15,           // day of month
  33       10 - 1,       // month
  34       2007 - 1900,  // year
  35       0,            // day of week (ignored, output only)
  36       0,            // day of year (ignored, output only)
  37       -1            // DST in effect, -1 tells mktime to figure it out
  38     };
  39     comparison_time_local_ = mktime(&local_comparison_tm) *
  40                              Time::kMicrosecondsPerSecond;
  41     ASSERT_GT(comparison_time_local_, 0);
  42   }
  43
  44   PRTime comparison_time_local_;
  45 };
  46
  47 // Tests the PR_ParseTimeString nspr helper function for
  48 // a variety of time strings.
  49 TEST_F(PRTimeTest, ParseTimeTest1) {
  50   time_t current_time = 0;
  51   time(&current_time);
  52
  53   const int BUFFER_SIZE = 64;
  54   struct tm local_time = {0};
  55   char time_buf[BUFFER_SIZE] = {0};
  56 #if defined(OS_WIN)
  57   localtime_s(&local_time, &current_time);
  58   asctime_s(time_buf, arraysize(time_buf), &local_time);
  59 #elif defined(OS_POSIX)
  60   localtime_r(&current_time, &local_time);
  61   asctime_r(&local_time, time_buf);
  62 #endif
  63
  64   PRTime current_time64 = static_cast<PRTime>(current_time) * PR_USEC_PER_SEC;
  65
  66   PRTime parsed_time = 0;
  67   PRStatus result = PR_ParseTimeString(time_buf, PR_FALSE, &parsed_time);
  68   EXPECT_EQ(PR_SUCCESS, result);
  69   EXPECT_EQ(current_time64, parsed_time);
  70 }
  71
  72 TEST_F(PRTimeTest, ParseTimeTest2) {
  73   PRTime parsed_time = 0;
  74   PRStatus result = PR_ParseTimeString("Mon, 15 Oct 2007 19:45:00 GMT",
  75                                        PR_FALSE, &parsed_time);
  76   EXPECT_EQ(PR_SUCCESS, result);
  77   EXPECT_EQ(parsed_time, comparison_time_pdt);
  78 }
  79
  80 TEST_F(PRTimeTest, ParseTimeTest3) {
  81   PRTime parsed_time = 0;
  82   PRStatus result = PR_ParseTimeString("15 Oct 07 12:45:00", PR_FALSE,
  83                                        &parsed_time);
  84   EXPECT_EQ(PR_SUCCESS, result);
  85   EXPECT_EQ(parsed_time, comparison_time_local_);
  86 }
  87
  88 TEST_F(PRTimeTest, ParseTimeTest4) {
  89   PRTime parsed_time = 0;
  90   PRStatus result = PR_ParseTimeString("15 Oct 07 19:45 GMT", PR_FALSE,
  91                                        &parsed_time);
  92   EXPECT_EQ(PR_SUCCESS, result);
  93   EXPECT_EQ(parsed_time, comparison_time_pdt);
  94 }
  95
  96 TEST_F(PRTimeTest, ParseTimeTest5) {
  97   PRTime parsed_time = 0;
  98   PRStatus result = PR_ParseTimeString("Mon Oct 15 12:45 PDT 2007",
  99                                        PR_FALSE, &parsed_time);
 100   EXPECT_EQ(PR_SUCCESS, result);
 101   EXPECT_EQ(parsed_time, comparison_time_pdt);
 102 }
 103
 104 TEST_F(PRTimeTest, ParseTimeTest6) {
 105   PRTime parsed_time = 0;
 106   PRStatus result = PR_ParseTimeString("Monday, Oct 15, 2007 12:45 PM",
 107                                        PR_FALSE, &parsed_time);
 108   EXPECT_EQ(PR_SUCCESS, result);
 109   EXPECT_EQ(parsed_time, comparison_time_local_);
 110 }
 111
 112 TEST_F(PRTimeTest, ParseTimeTest7) {
 113   PRTime parsed_time = 0;
 114   PRStatus result = PR_ParseTimeString("10/15/07 12:45:00 PM", PR_FALSE,
 115                                        &parsed_time);
 116   EXPECT_EQ(PR_SUCCESS, result);
 117   EXPECT_EQ(parsed_time, comparison_time_local_);
 118 }
 119
 120 TEST_F(PRTimeTest, ParseTimeTest8) {
 121   PRTime parsed_time = 0;
 122   PRStatus result = PR_ParseTimeString("15-OCT-2007 12:45pm", PR_FALSE,
 123                                        &parsed_time);
 124   EXPECT_EQ(PR_SUCCESS, result);
 125   EXPECT_EQ(parsed_time, comparison_time_local_);
 126 }
 127
 128 TEST_F(PRTimeTest, ParseTimeTest9) {
 129   PRTime parsed_time = 0;
 130   PRStatus result = PR_ParseTimeString("16 Oct 2007 4:45-JST (Tuesday)",
 131                                        PR_FALSE, &parsed_time);
 132   EXPECT_EQ(PR_SUCCESS, result);
 133   EXPECT_EQ(parsed_time, comparison_time_pdt);
 134 }
 135
 136 // This test should not crash when compiled with Visual C++ 2005 (see
 137 // http://crbug.com/4387).
 138 TEST_F(PRTimeTest, ParseTimeTestOutOfRange) {
 139   PRTime parsed_time = 0;
 140   // Note the lack of timezone in the time string.  The year has to be 3001.
 141   // The date has to be after 23:59:59, December 31, 3000, US Pacific Time, so
 142   // we use January 2, 3001 to make sure it's after the magic maximum in any
 143   // timezone.
 144   PRStatus result = PR_ParseTimeString("Sun Jan  2 00:00:00 3001",
 145                                        PR_FALSE, &parsed_time);
 146   EXPECT_EQ(PR_SUCCESS, result);
 147 }
 148
 149 TEST_F(PRTimeTest, ParseTimeTestNotNormalized1) {
 150   PRTime parsed_time = 0;
 151   PRStatus result = PR_ParseTimeString("Mon Oct 15 12:44:60 PDT 2007",
 152                                        PR_FALSE, &parsed_time);
 153   EXPECT_EQ(PR_SUCCESS, result);
 154   EXPECT_EQ(comparison_time_pdt, parsed_time);
 155 }
 156
 157 TEST_F(PRTimeTest, ParseTimeTestNotNormalized2) {
 158   PRTime parsed_time = 0;
 159   PRStatus result = PR_ParseTimeString("Sun Oct 14 36:45 PDT 2007",
 160                                        PR_FALSE, &parsed_time);
 161   EXPECT_EQ(PR_SUCCESS, result);
 162   EXPECT_EQ(comparison_time_pdt, parsed_time);
 163 }
 164
 165 }  // namespace