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218 lines
8.0 KiB
218 lines
8.0 KiB
// Copyright 2012 the V8 project authors. All rights reserved.
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following
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// disclaimer in the documentation and/or other materials provided
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// with the distribution.
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived
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// from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#include "src/date.h"
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#include "src/global-handles.h"
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#include "src/isolate.h"
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#include "src/v8.h"
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#include "test/cctest/cctest.h"
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using namespace v8::internal;
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class DateCacheMock: public DateCache {
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public:
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struct Rule {
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int year, start_month, start_day, end_month, end_day, offset_sec;
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};
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DateCacheMock(int local_offset, Rule* rules, int rules_count)
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: local_offset_(local_offset), rules_(rules), rules_count_(rules_count) {}
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protected:
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virtual int GetDaylightSavingsOffsetFromOS(int64_t time_sec) {
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int days = DaysFromTime(time_sec * 1000);
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int time_in_day_sec = TimeInDay(time_sec * 1000, days) / 1000;
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int year, month, day;
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YearMonthDayFromDays(days, &year, &month, &day);
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Rule* rule = FindRuleFor(year, month, day, time_in_day_sec);
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return rule == NULL ? 0 : rule->offset_sec * 1000;
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}
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virtual int GetLocalOffsetFromOS() {
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return local_offset_;
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}
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private:
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Rule* FindRuleFor(int year, int month, int day, int time_in_day_sec) {
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Rule* result = NULL;
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for (int i = 0; i < rules_count_; i++)
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if (Match(&rules_[i], year, month, day, time_in_day_sec)) {
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result = &rules_[i];
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}
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return result;
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}
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bool Match(Rule* rule, int year, int month, int day, int time_in_day_sec) {
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if (rule->year != 0 && rule->year != year) return false;
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if (rule->start_month > month) return false;
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if (rule->end_month < month) return false;
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int start_day = ComputeRuleDay(year, rule->start_month, rule->start_day);
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if (rule->start_month == month && start_day > day) return false;
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if (rule->start_month == month && start_day == day &&
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2 * 3600 > time_in_day_sec)
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return false;
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int end_day = ComputeRuleDay(year, rule->end_month, rule->end_day);
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if (rule->end_month == month && end_day < day) return false;
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if (rule->end_month == month && end_day == day &&
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2 * 3600 <= time_in_day_sec)
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return false;
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return true;
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}
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int ComputeRuleDay(int year, int month, int day) {
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if (day != 0) return day;
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int days = DaysFromYearMonth(year, month);
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// Find the first Sunday of the month.
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while (Weekday(days + day) != 6) day++;
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return day + 1;
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}
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int local_offset_;
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Rule* rules_;
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int rules_count_;
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};
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static int64_t TimeFromYearMonthDay(DateCache* date_cache,
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int year,
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int month,
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int day) {
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int64_t result = date_cache->DaysFromYearMonth(year, month);
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return (result + day - 1) * DateCache::kMsPerDay;
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}
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static void CheckDST(int64_t time) {
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Isolate* isolate = CcTest::i_isolate();
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DateCache* date_cache = isolate->date_cache();
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int64_t actual = date_cache->ToLocal(time);
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int64_t expected = time + date_cache->GetLocalOffsetFromOS() +
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date_cache->GetDaylightSavingsOffsetFromOS(time / 1000);
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CHECK_EQ(actual, expected);
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}
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TEST(DaylightSavingsTime) {
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LocalContext context;
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v8::Isolate* isolate = context->GetIsolate();
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v8::HandleScope scope(isolate);
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DateCacheMock::Rule rules[] = {
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{0, 2, 0, 10, 0, 3600}, // DST from March to November in any year.
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{2010, 2, 0, 7, 20, 3600}, // DST from March to August 20 in 2010.
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{2010, 7, 20, 8, 10, 0}, // No DST from August 20 to September 10 in 2010.
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{2010, 8, 10, 10, 0, 3600}, // DST from September 10 to November in 2010.
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};
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int local_offset_ms = -36000000; // -10 hours.
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DateCacheMock* date_cache =
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new DateCacheMock(local_offset_ms, rules, arraysize(rules));
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reinterpret_cast<Isolate*>(isolate)->set_date_cache(date_cache);
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int64_t start_of_2010 = TimeFromYearMonthDay(date_cache, 2010, 0, 1);
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int64_t start_of_2011 = TimeFromYearMonthDay(date_cache, 2011, 0, 1);
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int64_t august_20 = TimeFromYearMonthDay(date_cache, 2010, 7, 20);
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int64_t september_10 = TimeFromYearMonthDay(date_cache, 2010, 8, 10);
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CheckDST((august_20 + september_10) / 2);
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CheckDST(september_10);
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CheckDST(september_10 + 2 * 3600);
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CheckDST(september_10 + 2 * 3600 - 1000);
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CheckDST(august_20 + 2 * 3600);
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CheckDST(august_20 + 2 * 3600 - 1000);
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CheckDST(august_20);
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// Check each day of 2010.
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for (int64_t time = start_of_2011 + 2 * 3600;
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time >= start_of_2010;
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time -= DateCache::kMsPerDay) {
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CheckDST(time);
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CheckDST(time - 1000);
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CheckDST(time + 1000);
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}
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// Check one day from 2010 to 2100.
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for (int year = 2100; year >= 2010; year--) {
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CheckDST(TimeFromYearMonthDay(date_cache, year, 5, 5));
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}
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CheckDST((august_20 + september_10) / 2);
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CheckDST(september_10);
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CheckDST(september_10 + 2 * 3600);
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CheckDST(september_10 + 2 * 3600 - 1000);
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CheckDST(august_20 + 2 * 3600);
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CheckDST(august_20 + 2 * 3600 - 1000);
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CheckDST(august_20);
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}
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namespace {
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int legacy_parse_count = 0;
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void DateParseLegacyCounterCallback(v8::Isolate* isolate,
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v8::Isolate::UseCounterFeature feature) {
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if (feature == v8::Isolate::kLegacyDateParser) legacy_parse_count++;
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}
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} // anonymous namespace
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TEST(DateParseLegacyUseCounter) {
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CcTest::InitializeVM();
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v8::HandleScope scope(CcTest::isolate());
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LocalContext context;
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CcTest::isolate()->SetUseCounterCallback(DateParseLegacyCounterCallback);
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CHECK_EQ(0, legacy_parse_count);
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CompileRun("Date.parse('2015-02-31')");
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CHECK_EQ(0, legacy_parse_count);
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CompileRun("Date.parse('2015-02-31T11:22:33.444Z01:23')");
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CHECK_EQ(0, legacy_parse_count);
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CompileRun("Date.parse('2015-02-31T11:22:33.444')");
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CHECK_EQ(0, legacy_parse_count);
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CompileRun("Date.parse('2000 01 01')");
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CHECK_EQ(1, legacy_parse_count);
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CompileRun("Date.parse('2015-02-31T11:22:33.444 ')");
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CHECK_EQ(1, legacy_parse_count);
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}
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#ifdef V8_I18N_SUPPORT
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TEST(DateCacheVersion) {
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FLAG_allow_natives_syntax = true;
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v8::Isolate* isolate = CcTest::isolate();
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v8::Isolate::Scope isolate_scope(isolate);
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v8::HandleScope scope(isolate);
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v8::Local<v8::Context> context = v8::Context::New(isolate);
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v8::Context::Scope context_scope(context);
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v8::Local<v8::Number> date_cache_version =
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v8::Local<v8::Number>::Cast(CompileRun("%DateCacheVersion()"));
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CHECK(date_cache_version->IsNumber());
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CHECK_EQ(0.0, date_cache_version->NumberValue(context).FromMaybe(-1.0));
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v8::Date::DateTimeConfigurationChangeNotification(isolate);
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date_cache_version =
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v8::Local<v8::Number>::Cast(CompileRun("%DateCacheVersion()"));
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CHECK(date_cache_version->IsNumber());
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CHECK_EQ(1.0, date_cache_version->NumberValue(context).FromMaybe(-1.0));
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}
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#endif // V8_I18N_SUPPORT
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