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// Copyright 2023 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "net/cert/time_conversions.h"
#include "base/time/time.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/boringssl/src/pki/parse_values.h"
namespace net::test {
TEST(TimeConversionsTest, EncodeTimeAsGeneralizedTime) {
// Fri, 24 Jun 2016 17:04:54 GMT
base::Time time = base::Time::UnixEpoch() + base::Seconds(1466787894);
bssl::der::GeneralizedTime generalized_time;
ASSERT_TRUE(EncodeTimeAsGeneralizedTime(time, &generalized_time));
EXPECT_EQ(2016, generalized_time.year);
EXPECT_EQ(6, generalized_time.month);
EXPECT_EQ(24, generalized_time.day);
EXPECT_EQ(17, generalized_time.hours);
EXPECT_EQ(4, generalized_time.minutes);
EXPECT_EQ(54, generalized_time.seconds);
time = base::Time::UnixEpoch() + base::Seconds(253402300799);
ASSERT_TRUE(EncodeTimeAsGeneralizedTime(time, &generalized_time));
EXPECT_EQ(9999, generalized_time.year);
EXPECT_EQ(12, generalized_time.month);
EXPECT_EQ(31, generalized_time.day);
EXPECT_EQ(23, generalized_time.hours);
EXPECT_EQ(59, generalized_time.minutes);
EXPECT_EQ(59, generalized_time.seconds);
time = base::Time::UnixEpoch() + base::Seconds(-62167219200);
ASSERT_TRUE(EncodeTimeAsGeneralizedTime(time, &generalized_time));
EXPECT_EQ(0, generalized_time.year);
EXPECT_EQ(1, generalized_time.month);
EXPECT_EQ(1, generalized_time.day);
EXPECT_EQ(0, generalized_time.hours);
EXPECT_EQ(0, generalized_time.minutes);
EXPECT_EQ(0, generalized_time.seconds);
time = base::Time::UnixEpoch() + base::Seconds(253402300800);
EXPECT_FALSE(EncodeTimeAsGeneralizedTime(time, &generalized_time));
time = base::Time::UnixEpoch() + base::Seconds(-62167219201);
EXPECT_FALSE(EncodeTimeAsGeneralizedTime(time, &generalized_time));
time = base::Time::Max();
EXPECT_FALSE(EncodeTimeAsGeneralizedTime(time, &generalized_time));
time = base::Time::Min();
EXPECT_FALSE(EncodeTimeAsGeneralizedTime(time, &generalized_time));
}
TEST(TimeConversionsTest, GeneralizedTimeToTime) {
bssl::der::GeneralizedTime generalized_time;
generalized_time.year = 2016;
generalized_time.month = 6;
generalized_time.day = 24;
generalized_time.hours = 17;
generalized_time.minutes = 4;
generalized_time.seconds = 54;
base::Time time;
ASSERT_TRUE(GeneralizedTimeToTime(generalized_time, &time));
EXPECT_EQ(base::Time::UnixEpoch() + base::Seconds(1466787894), time);
// Invalid and out of range values should be rejected
generalized_time.day = 0;
EXPECT_FALSE(GeneralizedTimeToTime(generalized_time, &time));
generalized_time.day = 24;
generalized_time.year = 10000;
EXPECT_FALSE(GeneralizedTimeToTime(generalized_time, &time));
generalized_time.year = -1;
EXPECT_FALSE(GeneralizedTimeToTime(generalized_time, &time));
}
// A time from before the Windows epoch should work.
TEST(TimeConversionsTest, TimeBeforeWindowsEpoch) {
bssl::der::GeneralizedTime generalized_time;
generalized_time.year = 1570;
generalized_time.month = 1;
generalized_time.day = 1;
generalized_time.hours = 0;
generalized_time.minutes = 0;
generalized_time.seconds = 0;
base::Time time;
ASSERT_TRUE(GeneralizedTimeToTime(generalized_time, &time));
ASSERT_TRUE(EncodeTimeAsGeneralizedTime(time, &generalized_time));
EXPECT_EQ(1570, generalized_time.year);
EXPECT_EQ(1, generalized_time.month);
EXPECT_EQ(1, generalized_time.day);
EXPECT_EQ(0, generalized_time.hours);
EXPECT_EQ(0, generalized_time.minutes);
EXPECT_EQ(0, generalized_time.seconds);
}
// A time in seconds larger than a 32 bit signed integer should work.
TEST(TimeConversionsTest, TimeAfter32BitPosixMaxYear) {
bssl::der::GeneralizedTime generalized_time;
generalized_time.year = 2039;
generalized_time.month = 1;
generalized_time.day = 1;
generalized_time.hours = 0;
generalized_time.minutes = 0;
generalized_time.seconds = 0;
base::Time time;
ASSERT_TRUE(GeneralizedTimeToTime(generalized_time, &time));
ASSERT_TRUE(EncodeTimeAsGeneralizedTime(time, &generalized_time));
EXPECT_EQ(2039, generalized_time.year);
EXPECT_EQ(1, generalized_time.month);
EXPECT_EQ(1, generalized_time.day);
EXPECT_EQ(0, generalized_time.hours);
EXPECT_EQ(0, generalized_time.minutes);
EXPECT_EQ(0, generalized_time.seconds);
}
} // namespace net::test
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