base/pr_time_unittest.cc - platform/external/chromium - Git at Google

 // Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.

 #include <time.h>

 #include "base/third_party/nspr/prtime.h"
 #include "base/time.h"
 #include "testing/gtest/include/gtest/gtest.h"

 using base::Time;

 namespace {

 // time_t representation of 15th Oct 2007 12:45:00 PDT
 PRTime comparison_time_pdt = 1192477500 * Time::kMicrosecondsPerSecond;

 // Specialized test fixture allowing time strings without timezones to be
 // tested by comparing them to a known time in the local zone.
 class PRTimeTest : public testing::Test {
  protected:
   virtual void SetUp() {
     // Use mktime to get a time_t, and turn it into a PRTime by converting
     // seconds to microseconds.  Use 15th Oct 2007 12:45:00 local.  This
     // must be a time guaranteed to be outside of a DST fallback hour in
     // any timezone.
     struct tm local_comparison_tm = {
       0,            // second
       45,           // minute
       12,           // hour
       15,           // day of month
       10 - 1,       // month
       2007 - 1900,  // year
       0,            // day of week (ignored, output only)
       0,            // day of year (ignored, output only)
       -1            // DST in effect, -1 tells mktime to figure it out
     };
     comparison_time_local_ = mktime(&local_comparison_tm) *
                              Time::kMicrosecondsPerSecond;
     ASSERT_GT(comparison_time_local_, 0);
   }

   PRTime comparison_time_local_;
 };

 // Tests the PR_ParseTimeString nspr helper function for
 // a variety of time strings.
 TEST_F(PRTimeTest, ParseTimeTest1) {
   time_t current_time = 0;
   time(&current_time);

   const int BUFFER_SIZE = 64;
   struct tm local_time = {0};
   char time_buf[BUFFER_SIZE] = {0};
 #if defined(OS_WIN)
   localtime_s(&local_time, &current_time);
   asctime_s(time_buf, arraysize(time_buf), &local_time);
 #elif defined(OS_POSIX)
   localtime_r(&current_time, &local_time);
   asctime_r(&local_time, time_buf);
 #endif

   PRTime current_time64 = static_cast<PRTime>(current_time) * PR_USEC_PER_SEC;

   PRTime parsed_time = 0;
   PRStatus result = PR_ParseTimeString(time_buf, PR_FALSE, &parsed_time);
   EXPECT_EQ(PR_SUCCESS, result);
   EXPECT_EQ(current_time64, parsed_time);
 }

 TEST_F(PRTimeTest, ParseTimeTest2) {
   PRTime parsed_time = 0;
   PRStatus result = PR_ParseTimeString("Mon, 15 Oct 2007 19:45:00 GMT",
                                        PR_FALSE, &parsed_time);
   EXPECT_EQ(PR_SUCCESS, result);
   EXPECT_EQ(parsed_time, comparison_time_pdt);
 }

 TEST_F(PRTimeTest, ParseTimeTest3) {
   PRTime parsed_time = 0;
   PRStatus result = PR_ParseTimeString("15 Oct 07 12:45:00", PR_FALSE,
                                        &parsed_time);
   EXPECT_EQ(PR_SUCCESS, result);
   EXPECT_EQ(parsed_time, comparison_time_local_);
 }

 TEST_F(PRTimeTest, ParseTimeTest4) {
   PRTime parsed_time = 0;
   PRStatus result = PR_ParseTimeString("15 Oct 07 19:45 GMT", PR_FALSE,
                                        &parsed_time);
   EXPECT_EQ(PR_SUCCESS, result);
   EXPECT_EQ(parsed_time, comparison_time_pdt);
 }

 TEST_F(PRTimeTest, ParseTimeTest5) {
   PRTime parsed_time = 0;
   PRStatus result = PR_ParseTimeString("Mon Oct 15 12:45 PDT 2007",
                                        PR_FALSE, &parsed_time);
   EXPECT_EQ(PR_SUCCESS, result);
   EXPECT_EQ(parsed_time, comparison_time_pdt);
 }

 TEST_F(PRTimeTest, ParseTimeTest6) {
   PRTime parsed_time = 0;
   PRStatus result = PR_ParseTimeString("Monday, Oct 15, 2007 12:45 PM",
                                        PR_FALSE, &parsed_time);
   EXPECT_EQ(PR_SUCCESS, result);
   EXPECT_EQ(parsed_time, comparison_time_local_);
 }

 TEST_F(PRTimeTest, ParseTimeTest7) {
   PRTime parsed_time = 0;
   PRStatus result = PR_ParseTimeString("10/15/07 12:45:00 PM", PR_FALSE,
                                        &parsed_time);
   EXPECT_EQ(PR_SUCCESS, result);
   EXPECT_EQ(parsed_time, comparison_time_local_);
 }

 TEST_F(PRTimeTest, ParseTimeTest8) {
   PRTime parsed_time = 0;
   PRStatus result = PR_ParseTimeString("15-OCT-2007 12:45pm", PR_FALSE,
                                        &parsed_time);
   EXPECT_EQ(PR_SUCCESS, result);
   EXPECT_EQ(parsed_time, comparison_time_local_);
 }

 TEST_F(PRTimeTest, ParseTimeTest9) {
   PRTime parsed_time = 0;
   PRStatus result = PR_ParseTimeString("16 Oct 2007 4:45-JST (Tuesday)",
                                        PR_FALSE, &parsed_time);
   EXPECT_EQ(PR_SUCCESS, result);
   EXPECT_EQ(parsed_time, comparison_time_pdt);
 }

 // This tests the Time::FromString wrapper over PR_ParseTimeString
 TEST_F(PRTimeTest, ParseTimeTest10) {
   Time parsed_time;
   bool result = Time::FromString(L"15/10/07 12:45", &parsed_time);
   EXPECT_TRUE(result);

   time_t computed_time = parsed_time.ToTimeT();
   time_t time_to_compare = comparison_time_local_ /
                            Time::kMicrosecondsPerSecond;
   EXPECT_EQ(computed_time, time_to_compare);
 }

 // This tests the Time::FromString wrapper over PR_ParseTimeString
 TEST_F(PRTimeTest, ParseTimeTest11) {
   Time parsed_time;
   bool result = Time::FromString(L"Mon, 15 Oct 2007 19:45:00 GMT",
                                  &parsed_time);
   EXPECT_TRUE(result);

   time_t computed_time = parsed_time.ToTimeT();
   time_t time_to_compare = comparison_time_pdt / Time::kMicrosecondsPerSecond;
   EXPECT_EQ(computed_time, time_to_compare);
 }

 // Test some of edge cases around epoch, etc.
 TEST_F(PRTimeTest, ParseTimeTestEpoch0) {
   Time parsed_time;

   // time_t == epoch == 0
   EXPECT_TRUE(Time::FromString(L"Thu Jan 01 01:00:00 +0100 1970",
                                &parsed_time));
   EXPECT_EQ(0, parsed_time.ToTimeT());
   EXPECT_TRUE(Time::FromString(L"Thu Jan 01 00:00:00 GMT 1970",
                                &parsed_time));
   EXPECT_EQ(0, parsed_time.ToTimeT());
 }

 TEST_F(PRTimeTest, ParseTimeTestEpoch1) {
   Time parsed_time;

   // time_t == 1 second after epoch == 1
   EXPECT_TRUE(Time::FromString(L"Thu Jan 01 01:00:01 +0100 1970",
                                &parsed_time));
   EXPECT_EQ(1, parsed_time.ToTimeT());
   EXPECT_TRUE(Time::FromString(L"Thu Jan 01 00:00:01 GMT 1970",
                                &parsed_time));
   EXPECT_EQ(1, parsed_time.ToTimeT());
 }

 TEST_F(PRTimeTest, ParseTimeTestEpoch2) {
   Time parsed_time;

   // time_t == 2 seconds after epoch == 2
   EXPECT_TRUE(Time::FromString(L"Thu Jan 01 01:00:02 +0100 1970",
                                &parsed_time));
   EXPECT_EQ(2, parsed_time.ToTimeT());
   EXPECT_TRUE(Time::FromString(L"Thu Jan 01 00:00:02 GMT 1970",
                                &parsed_time));
   EXPECT_EQ(2, parsed_time.ToTimeT());
 }

 TEST_F(PRTimeTest, ParseTimeTestEpochNeg1) {
   Time parsed_time;

   // time_t == 1 second before epoch == -1
   EXPECT_TRUE(Time::FromString(L"Thu Jan 01 00:59:59 +0100 1970",
                                &parsed_time));
   EXPECT_EQ(-1, parsed_time.ToTimeT());
   EXPECT_TRUE(Time::FromString(L"Wed Dec 31 23:59:59 GMT 1969",
                                &parsed_time));
   EXPECT_EQ(-1, parsed_time.ToTimeT());
 }

 // If time_t is 32 bits, a date after year 2038 will overflow time_t and
 // cause timegm() to return -1.  The parsed time should not be 1 second
 // before epoch.
 TEST_F(PRTimeTest, ParseTimeTestEpochNotNeg1) {
   Time parsed_time;

   EXPECT_TRUE(Time::FromString(L"Wed Dec 31 23:59:59 GMT 2100",
                                &parsed_time));
   EXPECT_NE(-1, parsed_time.ToTimeT());
 }

 TEST_F(PRTimeTest, ParseTimeTestEpochNeg2) {
   Time parsed_time;

   // time_t == 2 seconds before epoch == -2
   EXPECT_TRUE(Time::FromString(L"Thu Jan 01 00:59:58 +0100 1970",
                                &parsed_time));
   EXPECT_EQ(-2, parsed_time.ToTimeT());
   EXPECT_TRUE(Time::FromString(L"Wed Dec 31 23:59:58 GMT 1969",
                                &parsed_time));
   EXPECT_EQ(-2, parsed_time.ToTimeT());
 }

 TEST_F(PRTimeTest, ParseTimeTestEpoch1960) {
   Time parsed_time;

   // time_t before Epoch, in 1960
   EXPECT_TRUE(Time::FromString(L"Wed Jun 29 19:40:01 +0100 1960",
                                &parsed_time));
   EXPECT_EQ(-299999999, parsed_time.ToTimeT());
   EXPECT_TRUE(Time::FromString(L"Wed Jun 29 18:40:01 GMT 1960",
                                &parsed_time));
   EXPECT_EQ(-299999999, parsed_time.ToTimeT());
   EXPECT_TRUE(Time::FromString(L"Wed Jun 29 17:40:01 GMT 1960",
                                &parsed_time));
   EXPECT_EQ(-300003599, parsed_time.ToTimeT());
 }

 TEST_F(PRTimeTest, ParseTimeTestEmpty) {
   Time parsed_time;
   EXPECT_FALSE(Time::FromString(L"", &parsed_time));
 }

 // This test should not crash when compiled with Visual C++ 2005 (see
 // http://crbug.com/4387).
 TEST_F(PRTimeTest, ParseTimeTestOutOfRange) {
   PRTime parsed_time = 0;
   // Note the lack of timezone in the time string.  The year has to be 3001.
   // The date has to be after 23:59:59, December 31, 3000, US Pacific Time, so
   // we use January 2, 3001 to make sure it's after the magic maximum in any
   // timezone.
   PRStatus result = PR_ParseTimeString("Sun Jan  2 00:00:00 3001",
                                        PR_FALSE, &parsed_time);
   EXPECT_EQ(PR_SUCCESS, result);
 }

 TEST_F(PRTimeTest, ParseTimeTestNotNormalized1) {
   PRTime parsed_time = 0;
   PRStatus result = PR_ParseTimeString("Mon Oct 15 12:44:60 PDT 2007",
                                        PR_FALSE, &parsed_time);
   EXPECT_EQ(PR_SUCCESS, result);
   EXPECT_EQ(comparison_time_pdt, parsed_time);
 }

 TEST_F(PRTimeTest, ParseTimeTestNotNormalized2) {
   PRTime parsed_time = 0;
   PRStatus result = PR_ParseTimeString("Sun Oct 14 36:45 PDT 2007",
                                        PR_FALSE, &parsed_time);
   EXPECT_EQ(PR_SUCCESS, result);
   EXPECT_EQ(comparison_time_pdt, parsed_time);
 }

 }  // namespace
	// Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
	// Use of this source code is governed by a BSD-style license that can be
	// found in the LICENSE file.

	#include <time.h>

	#include "base/third_party/nspr/prtime.h"
	#include "base/time.h"
	#include "testing/gtest/include/gtest/gtest.h"

	using base::Time;

	namespace {

	// time_t representation of 15th Oct 2007 12:45:00 PDT
	PRTime comparison_time_pdt = 1192477500 * Time::kMicrosecondsPerSecond;

	// Specialized test fixture allowing time strings without timezones to be
	// tested by comparing them to a known time in the local zone.
	class PRTimeTest : public testing::Test {
	protected:
	virtual void SetUp() {
	// Use mktime to get a time_t, and turn it into a PRTime by converting
	// seconds to microseconds. Use 15th Oct 2007 12:45:00 local. This
	// must be a time guaranteed to be outside of a DST fallback hour in
	// any timezone.
	struct tm local_comparison_tm = {
	0, // second
	45, // minute
	12, // hour
	15, // day of month
	10 - 1, // month
	2007 - 1900, // year
	0, // day of week (ignored, output only)
	0, // day of year (ignored, output only)
	-1 // DST in effect, -1 tells mktime to figure it out
	};
	comparison_time_local_ = mktime(&local_comparison_tm) *
	Time::kMicrosecondsPerSecond;
	ASSERT_GT(comparison_time_local_, 0);
	}

	PRTime comparison_time_local_;
	};

	// Tests the PR_ParseTimeString nspr helper function for
	// a variety of time strings.
	TEST_F(PRTimeTest, ParseTimeTest1) {
	time_t current_time = 0;
	time(&current_time);

	const int BUFFER_SIZE = 64;
	struct tm local_time = {0};
	char time_buf[BUFFER_SIZE] = {0};
	#if defined(OS_WIN)
	localtime_s(&local_time, &current_time);
	asctime_s(time_buf, arraysize(time_buf), &local_time);
	#elif defined(OS_POSIX)
	localtime_r(&current_time, &local_time);
	asctime_r(&local_time, time_buf);
	#endif

	PRTime current_time64 = static_cast<PRTime>(current_time) * PR_USEC_PER_SEC;

	PRTime parsed_time = 0;
	PRStatus result = PR_ParseTimeString(time_buf, PR_FALSE, &parsed_time);
	EXPECT_EQ(PR_SUCCESS, result);
	EXPECT_EQ(current_time64, parsed_time);
	}

	TEST_F(PRTimeTest, ParseTimeTest2) {
	PRTime parsed_time = 0;
	PRStatus result = PR_ParseTimeString("Mon, 15 Oct 2007 19:45:00 GMT",
	PR_FALSE, &parsed_time);
	EXPECT_EQ(PR_SUCCESS, result);
	EXPECT_EQ(parsed_time, comparison_time_pdt);
	}

	TEST_F(PRTimeTest, ParseTimeTest3) {
	PRTime parsed_time = 0;
	PRStatus result = PR_ParseTimeString("15 Oct 07 12:45:00", PR_FALSE,
	&parsed_time);
	EXPECT_EQ(PR_SUCCESS, result);
	EXPECT_EQ(parsed_time, comparison_time_local_);
	}

	TEST_F(PRTimeTest, ParseTimeTest4) {
	PRTime parsed_time = 0;
	PRStatus result = PR_ParseTimeString("15 Oct 07 19:45 GMT", PR_FALSE,
	&parsed_time);
	EXPECT_EQ(PR_SUCCESS, result);
	EXPECT_EQ(parsed_time, comparison_time_pdt);
	}

	TEST_F(PRTimeTest, ParseTimeTest5) {
	PRTime parsed_time = 0;
	PRStatus result = PR_ParseTimeString("Mon Oct 15 12:45 PDT 2007",
	PR_FALSE, &parsed_time);
	EXPECT_EQ(PR_SUCCESS, result);
	EXPECT_EQ(parsed_time, comparison_time_pdt);
	}

	TEST_F(PRTimeTest, ParseTimeTest6) {
	PRTime parsed_time = 0;
	PRStatus result = PR_ParseTimeString("Monday, Oct 15, 2007 12:45 PM",
	PR_FALSE, &parsed_time);
	EXPECT_EQ(PR_SUCCESS, result);
	EXPECT_EQ(parsed_time, comparison_time_local_);
	}

	TEST_F(PRTimeTest, ParseTimeTest7) {
	PRTime parsed_time = 0;
	PRStatus result = PR_ParseTimeString("10/15/07 12:45:00 PM", PR_FALSE,
	&parsed_time);
	EXPECT_EQ(PR_SUCCESS, result);
	EXPECT_EQ(parsed_time, comparison_time_local_);
	}

	TEST_F(PRTimeTest, ParseTimeTest8) {
	PRTime parsed_time = 0;
	PRStatus result = PR_ParseTimeString("15-OCT-2007 12:45pm", PR_FALSE,
	&parsed_time);
	EXPECT_EQ(PR_SUCCESS, result);
	EXPECT_EQ(parsed_time, comparison_time_local_);
	}

	TEST_F(PRTimeTest, ParseTimeTest9) {
	PRTime parsed_time = 0;
	PRStatus result = PR_ParseTimeString("16 Oct 2007 4:45-JST (Tuesday)",
	PR_FALSE, &parsed_time);
	EXPECT_EQ(PR_SUCCESS, result);
	EXPECT_EQ(parsed_time, comparison_time_pdt);
	}

	// This tests the Time::FromString wrapper over PR_ParseTimeString
	TEST_F(PRTimeTest, ParseTimeTest10) {
	Time parsed_time;
	bool result = Time::FromString(L"15/10/07 12:45", &parsed_time);
	EXPECT_TRUE(result);

	time_t computed_time = parsed_time.ToTimeT();
	time_t time_to_compare = comparison_time_local_ /
	Time::kMicrosecondsPerSecond;
	EXPECT_EQ(computed_time, time_to_compare);
	}

	// This tests the Time::FromString wrapper over PR_ParseTimeString
	TEST_F(PRTimeTest, ParseTimeTest11) {
	Time parsed_time;
	bool result = Time::FromString(L"Mon, 15 Oct 2007 19:45:00 GMT",
	&parsed_time);
	EXPECT_TRUE(result);

	time_t computed_time = parsed_time.ToTimeT();
	time_t time_to_compare = comparison_time_pdt / Time::kMicrosecondsPerSecond;
	EXPECT_EQ(computed_time, time_to_compare);
	}

	// Test some of edge cases around epoch, etc.
	TEST_F(PRTimeTest, ParseTimeTestEpoch0) {
	Time parsed_time;

	// time_t == epoch == 0
	EXPECT_TRUE(Time::FromString(L"Thu Jan 01 01:00:00 +0100 1970",
	&parsed_time));
	EXPECT_EQ(0, parsed_time.ToTimeT());
	EXPECT_TRUE(Time::FromString(L"Thu Jan 01 00:00:00 GMT 1970",
	&parsed_time));
	EXPECT_EQ(0, parsed_time.ToTimeT());
	}

	TEST_F(PRTimeTest, ParseTimeTestEpoch1) {
	Time parsed_time;

	// time_t == 1 second after epoch == 1
	EXPECT_TRUE(Time::FromString(L"Thu Jan 01 01:00:01 +0100 1970",
	&parsed_time));
	EXPECT_EQ(1, parsed_time.ToTimeT());
	EXPECT_TRUE(Time::FromString(L"Thu Jan 01 00:00:01 GMT 1970",
	&parsed_time));
	EXPECT_EQ(1, parsed_time.ToTimeT());
	}

	TEST_F(PRTimeTest, ParseTimeTestEpoch2) {
	Time parsed_time;

	// time_t == 2 seconds after epoch == 2
	EXPECT_TRUE(Time::FromString(L"Thu Jan 01 01:00:02 +0100 1970",
	&parsed_time));
	EXPECT_EQ(2, parsed_time.ToTimeT());
	EXPECT_TRUE(Time::FromString(L"Thu Jan 01 00:00:02 GMT 1970",
	&parsed_time));
	EXPECT_EQ(2, parsed_time.ToTimeT());
	}

	TEST_F(PRTimeTest, ParseTimeTestEpochNeg1) {
	Time parsed_time;

	// time_t == 1 second before epoch == -1
	EXPECT_TRUE(Time::FromString(L"Thu Jan 01 00:59:59 +0100 1970",
	&parsed_time));
	EXPECT_EQ(-1, parsed_time.ToTimeT());
	EXPECT_TRUE(Time::FromString(L"Wed Dec 31 23:59:59 GMT 1969",
	&parsed_time));
	EXPECT_EQ(-1, parsed_time.ToTimeT());
	}

	// If time_t is 32 bits, a date after year 2038 will overflow time_t and
	// cause timegm() to return -1. The parsed time should not be 1 second
	// before epoch.
	TEST_F(PRTimeTest, ParseTimeTestEpochNotNeg1) {
	Time parsed_time;

	EXPECT_TRUE(Time::FromString(L"Wed Dec 31 23:59:59 GMT 2100",
	&parsed_time));
	EXPECT_NE(-1, parsed_time.ToTimeT());
	}

	TEST_F(PRTimeTest, ParseTimeTestEpochNeg2) {
	Time parsed_time;

	// time_t == 2 seconds before epoch == -2
	EXPECT_TRUE(Time::FromString(L"Thu Jan 01 00:59:58 +0100 1970",
	&parsed_time));
	EXPECT_EQ(-2, parsed_time.ToTimeT());
	EXPECT_TRUE(Time::FromString(L"Wed Dec 31 23:59:58 GMT 1969",
	&parsed_time));
	EXPECT_EQ(-2, parsed_time.ToTimeT());
	}

	TEST_F(PRTimeTest, ParseTimeTestEpoch1960) {
	Time parsed_time;

	// time_t before Epoch, in 1960
	EXPECT_TRUE(Time::FromString(L"Wed Jun 29 19:40:01 +0100 1960",
	&parsed_time));
	EXPECT_EQ(-299999999, parsed_time.ToTimeT());
	EXPECT_TRUE(Time::FromString(L"Wed Jun 29 18:40:01 GMT 1960",
	&parsed_time));
	EXPECT_EQ(-299999999, parsed_time.ToTimeT());
	EXPECT_TRUE(Time::FromString(L"Wed Jun 29 17:40:01 GMT 1960",
	&parsed_time));
	EXPECT_EQ(-300003599, parsed_time.ToTimeT());
	}

	TEST_F(PRTimeTest, ParseTimeTestEmpty) {
	Time parsed_time;
	EXPECT_FALSE(Time::FromString(L"", &parsed_time));
	}

	// This test should not crash when compiled with Visual C++ 2005 (see
	// http://crbug.com/4387).
	TEST_F(PRTimeTest, ParseTimeTestOutOfRange) {
	PRTime parsed_time = 0;
	// Note the lack of timezone in the time string. The year has to be 3001.
	// The date has to be after 23:59:59, December 31, 3000, US Pacific Time, so
	// we use January 2, 3001 to make sure it's after the magic maximum in any
	// timezone.
	PRStatus result = PR_ParseTimeString("Sun Jan 2 00:00:00 3001",
	PR_FALSE, &parsed_time);
	EXPECT_EQ(PR_SUCCESS, result);
	}

	TEST_F(PRTimeTest, ParseTimeTestNotNormalized1) {
	PRTime parsed_time = 0;
	PRStatus result = PR_ParseTimeString("Mon Oct 15 12:44:60 PDT 2007",
	PR_FALSE, &parsed_time);
	EXPECT_EQ(PR_SUCCESS, result);
	EXPECT_EQ(comparison_time_pdt, parsed_time);
	}

	TEST_F(PRTimeTest, ParseTimeTestNotNormalized2) {
	PRTime parsed_time = 0;
	PRStatus result = PR_ParseTimeString("Sun Oct 14 36:45 PDT 2007",
	PR_FALSE, &parsed_time);
	EXPECT_EQ(PR_SUCCESS, result);
	EXPECT_EQ(comparison_time_pdt, parsed_time);
	}

	} // namespace