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// Copyright 2019 PDFium 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 "fxjs/fx_date_helpers.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace {
constexpr double kMilliSecondsInADay = 1000 * 60 * 60 * 24;
} // namespace
TEST(FX_DateHelper, GetYearFromTime) {
static constexpr struct {
double time_ms;
int expected_year;
} kTests[] = {
{-400 * kMilliSecondsInADay, 1968},
{-1, 1969},
{0, 1970},
{1, 1970},
{364.9 * kMilliSecondsInADay, 1970},
{365.0 * kMilliSecondsInADay, 1971},
{365.1 * kMilliSecondsInADay, 1971},
{2 * 365.0 * kMilliSecondsInADay, 1972},
// 1972 is a leap year, so there should be an extra day.
{3 * 365.0 * kMilliSecondsInADay, 1972},
{(3 * 365.0 + 1) * kMilliSecondsInADay, 1973},
};
for (const auto& test : kTests) {
EXPECT_EQ(test.expected_year, FX_GetYearFromTime(test.time_ms))
<< test.time_ms;
}
}
TEST(FX_DateHelper, GetMonthFromTime) {
static constexpr struct {
double time_ms;
int expected_month; // Zero-based.
} kTests[] = {
{-400 * kMilliSecondsInADay, 10},
{-1, 11},
{0, 0},
{1, 0},
{364.9 * kMilliSecondsInADay, 11},
{365.0 * kMilliSecondsInADay, 0},
{365.1 * kMilliSecondsInADay, 0},
// 1972 is a leap year, so there should be an extra day.
{2 * 365.0 * kMilliSecondsInADay, 0},
{3 * 365.0 * kMilliSecondsInADay, 11},
{(3 * 365.0 + 1) * kMilliSecondsInADay, 0},
// Tests boundaries for all months in 1970 not already covered above.
{30 * kMilliSecondsInADay, 0},
{31 * kMilliSecondsInADay, 1},
{58 * kMilliSecondsInADay, 1},
{59 * kMilliSecondsInADay, 2},
{89 * kMilliSecondsInADay, 2},
{90 * kMilliSecondsInADay, 3},
{119 * kMilliSecondsInADay, 3},
{120 * kMilliSecondsInADay, 4},
{150 * kMilliSecondsInADay, 4},
{151 * kMilliSecondsInADay, 5},
{180 * kMilliSecondsInADay, 5},
{181 * kMilliSecondsInADay, 6},
{211 * kMilliSecondsInADay, 6},
{212 * kMilliSecondsInADay, 7},
{242 * kMilliSecondsInADay, 7},
{243 * kMilliSecondsInADay, 8},
{272 * kMilliSecondsInADay, 8},
{273 * kMilliSecondsInADay, 9},
{303 * kMilliSecondsInADay, 9},
{304 * kMilliSecondsInADay, 10},
{333 * kMilliSecondsInADay, 10},
{334 * kMilliSecondsInADay, 11},
{364 * kMilliSecondsInADay, 11},
// Tests boundaries for all months in 1972 not already covered above.
{(2 * 365.0 + 30) * kMilliSecondsInADay, 0},
{(2 * 365.0 + 31) * kMilliSecondsInADay, 1},
{(2 * 365.0 + 59) * kMilliSecondsInADay, 1},
{(2 * 365.0 + 60) * kMilliSecondsInADay, 2},
{(2 * 365.0 + 90) * kMilliSecondsInADay, 2},
{(2 * 365.0 + 91) * kMilliSecondsInADay, 3},
{(2 * 365.0 + 120) * kMilliSecondsInADay, 3},
{(2 * 365.0 + 121) * kMilliSecondsInADay, 4},
{(2 * 365.0 + 151) * kMilliSecondsInADay, 4},
{(2 * 365.0 + 152) * kMilliSecondsInADay, 5},
{(2 * 365.0 + 181) * kMilliSecondsInADay, 5},
{(2 * 365.0 + 182) * kMilliSecondsInADay, 6},
{(2 * 365.0 + 212) * kMilliSecondsInADay, 6},
{(2 * 365.0 + 213) * kMilliSecondsInADay, 7},
{(2 * 365.0 + 243) * kMilliSecondsInADay, 7},
{(2 * 365.0 + 244) * kMilliSecondsInADay, 8},
{(2 * 365.0 + 273) * kMilliSecondsInADay, 8},
{(2 * 365.0 + 274) * kMilliSecondsInADay, 9},
{(2 * 365.0 + 304) * kMilliSecondsInADay, 9},
{(2 * 365.0 + 305) * kMilliSecondsInADay, 10},
{(2 * 365.0 + 334) * kMilliSecondsInADay, 10},
{(2 * 365.0 + 335) * kMilliSecondsInADay, 11},
};
for (const auto& test : kTests) {
EXPECT_EQ(test.expected_month, FX_GetMonthFromTime(test.time_ms))
<< test.time_ms;
}
}