v8/test/cctest/test-date.cc
Mathias Bynens 62f929ff4c Use nullptr instead of NULL where possible
New code should use nullptr instead of NULL.

This patch updates existing use of NULL to nullptr where applicable,
making the code base more consistent.

BUG=v8:6928,v8:6921

Cq-Include-Trybots: master.tryserver.chromium.linux:linux_chromium_rel_ng;master.tryserver.v8:v8_linux_noi18n_rel_ng
Change-Id: I4687f5b96fcfd88b41fa970a2b937b4f6538777c
Reviewed-on: https://chromium-review.googlesource.com/718338
Commit-Queue: Mathias Bynens <mathias@chromium.org>
Reviewed-by: Andreas Haas <ahaas@chromium.org>
Reviewed-by: Benedikt Meurer <bmeurer@chromium.org>
Reviewed-by: Ulan Degenbaev <ulan@chromium.org>
Reviewed-by: Toon Verwaest <verwaest@chromium.org>
Reviewed-by: Jakob Gruber <jgruber@chromium.org>
Reviewed-by: Yang Guo <yangguo@chromium.org>
Cr-Commit-Position: refs/heads/master@{#48557}
2017-10-13 17:21:49 +00:00

223 lines
8.0 KiB
C++

// Copyright 2012 the V8 project authors. 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 "src/date.h"
#include "src/global-handles.h"
#include "src/isolate.h"
#include "src/v8.h"
#include "test/cctest/cctest.h"
namespace v8 {
namespace internal {
class DateCacheMock: public DateCache {
public:
struct Rule {
int year, start_month, start_day, end_month, end_day, offset_sec;
};
DateCacheMock(int local_offset, Rule* rules, int rules_count)
: local_offset_(local_offset), rules_(rules), rules_count_(rules_count) {}
protected:
virtual int GetDaylightSavingsOffsetFromOS(int64_t time_sec) {
int days = DaysFromTime(time_sec * 1000);
int time_in_day_sec = TimeInDay(time_sec * 1000, days) / 1000;
int year, month, day;
YearMonthDayFromDays(days, &year, &month, &day);
Rule* rule = FindRuleFor(year, month, day, time_in_day_sec);
return rule == nullptr ? 0 : rule->offset_sec * 1000;
}
virtual int GetLocalOffsetFromOS() {
return local_offset_;
}
private:
Rule* FindRuleFor(int year, int month, int day, int time_in_day_sec) {
Rule* result = nullptr;
for (int i = 0; i < rules_count_; i++)
if (Match(&rules_[i], year, month, day, time_in_day_sec)) {
result = &rules_[i];
}
return result;
}
bool Match(Rule* rule, int year, int month, int day, int time_in_day_sec) {
if (rule->year != 0 && rule->year != year) return false;
if (rule->start_month > month) return false;
if (rule->end_month < month) return false;
int start_day = ComputeRuleDay(year, rule->start_month, rule->start_day);
if (rule->start_month == month && start_day > day) return false;
if (rule->start_month == month && start_day == day &&
2 * 3600 > time_in_day_sec)
return false;
int end_day = ComputeRuleDay(year, rule->end_month, rule->end_day);
if (rule->end_month == month && end_day < day) return false;
if (rule->end_month == month && end_day == day &&
2 * 3600 <= time_in_day_sec)
return false;
return true;
}
int ComputeRuleDay(int year, int month, int day) {
if (day != 0) return day;
int days = DaysFromYearMonth(year, month);
// Find the first Sunday of the month.
while (Weekday(days + day) != 6) day++;
return day + 1;
}
int local_offset_;
Rule* rules_;
int rules_count_;
};
static int64_t TimeFromYearMonthDay(DateCache* date_cache,
int year,
int month,
int day) {
int64_t result = date_cache->DaysFromYearMonth(year, month);
return (result + day - 1) * DateCache::kMsPerDay;
}
static void CheckDST(int64_t time) {
Isolate* isolate = CcTest::i_isolate();
DateCache* date_cache = isolate->date_cache();
int64_t actual = date_cache->ToLocal(time);
int64_t expected = time + date_cache->GetLocalOffsetFromOS() +
date_cache->GetDaylightSavingsOffsetFromOS(time / 1000);
CHECK_EQ(actual, expected);
}
TEST(DaylightSavingsTime) {
LocalContext context;
v8::Isolate* isolate = context->GetIsolate();
v8::HandleScope scope(isolate);
DateCacheMock::Rule rules[] = {
{0, 2, 0, 10, 0, 3600}, // DST from March to November in any year.
{2010, 2, 0, 7, 20, 3600}, // DST from March to August 20 in 2010.
{2010, 7, 20, 8, 10, 0}, // No DST from August 20 to September 10 in 2010.
{2010, 8, 10, 10, 0, 3600}, // DST from September 10 to November in 2010.
};
int local_offset_ms = -36000000; // -10 hours.
DateCacheMock* date_cache =
new DateCacheMock(local_offset_ms, rules, arraysize(rules));
reinterpret_cast<Isolate*>(isolate)->set_date_cache(date_cache);
int64_t start_of_2010 = TimeFromYearMonthDay(date_cache, 2010, 0, 1);
int64_t start_of_2011 = TimeFromYearMonthDay(date_cache, 2011, 0, 1);
int64_t august_20 = TimeFromYearMonthDay(date_cache, 2010, 7, 20);
int64_t september_10 = TimeFromYearMonthDay(date_cache, 2010, 8, 10);
CheckDST((august_20 + september_10) / 2);
CheckDST(september_10);
CheckDST(september_10 + 2 * 3600);
CheckDST(september_10 + 2 * 3600 - 1000);
CheckDST(august_20 + 2 * 3600);
CheckDST(august_20 + 2 * 3600 - 1000);
CheckDST(august_20);
// Check each day of 2010.
for (int64_t time = start_of_2011 + 2 * 3600;
time >= start_of_2010;
time -= DateCache::kMsPerDay) {
CheckDST(time);
CheckDST(time - 1000);
CheckDST(time + 1000);
}
// Check one day from 2010 to 2100.
for (int year = 2100; year >= 2010; year--) {
CheckDST(TimeFromYearMonthDay(date_cache, year, 5, 5));
}
CheckDST((august_20 + september_10) / 2);
CheckDST(september_10);
CheckDST(september_10 + 2 * 3600);
CheckDST(september_10 + 2 * 3600 - 1000);
CheckDST(august_20 + 2 * 3600);
CheckDST(august_20 + 2 * 3600 - 1000);
CheckDST(august_20);
}
namespace {
int legacy_parse_count = 0;
void DateParseLegacyCounterCallback(v8::Isolate* isolate,
v8::Isolate::UseCounterFeature feature) {
if (feature == v8::Isolate::kLegacyDateParser) legacy_parse_count++;
}
} // anonymous namespace
TEST(DateParseLegacyUseCounter) {
CcTest::InitializeVM();
v8::HandleScope scope(CcTest::isolate());
LocalContext context;
CcTest::isolate()->SetUseCounterCallback(DateParseLegacyCounterCallback);
CHECK_EQ(0, legacy_parse_count);
CompileRun("Date.parse('2015-02-31')");
CHECK_EQ(0, legacy_parse_count);
CompileRun("Date.parse('2015-02-31T11:22:33.444Z01:23')");
CHECK_EQ(0, legacy_parse_count);
CompileRun("Date.parse('2015-02-31T11:22:33.444')");
CHECK_EQ(0, legacy_parse_count);
CompileRun("Date.parse('2000 01 01')");
CHECK_EQ(1, legacy_parse_count);
CompileRun("Date.parse('2015-02-31T11:22:33.444 ')");
CHECK_EQ(1, legacy_parse_count);
}
#ifdef V8_INTL_SUPPORT
TEST(DateCacheVersion) {
FLAG_allow_natives_syntax = true;
v8::Isolate* isolate = CcTest::isolate();
v8::Isolate::Scope isolate_scope(isolate);
v8::HandleScope scope(isolate);
v8::Local<v8::Context> context = v8::Context::New(isolate);
v8::Context::Scope context_scope(context);
v8::Local<v8::Number> date_cache_version =
v8::Local<v8::Number>::Cast(CompileRun("%DateCacheVersion()"));
CHECK(date_cache_version->IsNumber());
CHECK_EQ(0.0, date_cache_version->NumberValue(context).FromMaybe(-1.0));
v8::Date::DateTimeConfigurationChangeNotification(isolate);
date_cache_version =
v8::Local<v8::Number>::Cast(CompileRun("%DateCacheVersion()"));
CHECK(date_cache_version->IsNumber());
CHECK_EQ(1.0, date_cache_version->NumberValue(context).FromMaybe(-1.0));
}
#endif // V8_INTL_SUPPORT
} // namespace internal
} // namespace v8