DateTests.mm   [plain text]

/*
* Copyright (C) 2014 Apple Inc. All rights reserved.
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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#import "DateTests.h"
#import <Foundation/Foundation.h>

#if JSC_OBJC_API_ENABLED

extern "C" void checkResult(NSString *description, bool passed);

@interface DateTests : NSObject
+ (void) NSDateToJSDateTest;
+ (void) JSDateToNSDateTest;
+ (void) roundTripThroughJSDateTest;
+ (void) roundTripThroughObjCDateTest;
@end

static unsigned unitFlags = NSCalendarUnitSecond | NSCalendarUnitMinute | NSCalendarUnitHour | NSCalendarUnitDay | NSCalendarUnitMonth | NSCalendarUnitYear;

@implementation DateTests
+ (void) NSDateToJSDateTest
{
JSContext *context = [[JSContext alloc] init];
NSDate *now = [NSDate dateWithTimeIntervalSinceNow:0];
NSDateComponents *components = [[NSCalendar currentCalendar] components:unitFlags fromDate:now];
JSValue *jsNow = [JSValue valueWithObject:now inContext:context];
int year = [[jsNow invokeMethod:@"getFullYear" withArguments:@[]] toInt32];
// Months are 0-indexed for JavaScript Dates.
int month = [[jsNow invokeMethod:@"getMonth" withArguments:@[]] toInt32] + 1;
int day = [[jsNow invokeMethod:@"getDate" withArguments:@[]] toInt32];
int hour = [[jsNow invokeMethod:@"getHours" withArguments:@[]] toInt32];
int minute = [[jsNow invokeMethod:@"getMinutes" withArguments:@[]] toInt32];
int second = [[jsNow invokeMethod:@"getSeconds" withArguments:@[]] toInt32];

checkResult(@"NSDate to JS Date", year == [components year]
&& month == [components month]
&& day == [components day]
&& hour == [components hour]
&& minute == [components minute]
&& second == [components second]);
}

+ (void) JSDateToNSDateTest
{
JSContext *context = [[JSContext alloc] init];
NSDateFormatter *formatter = [[NSDateFormatter alloc] init];
[formatter setDateFormat:@"MMMM dd',' yyyy hh:mm:ss"];
[formatter setLocale:[[NSLocale alloc] initWithLocaleIdentifier:@"en_US"]];
NSDate *februaryFourth2014 = [formatter dateFromString:@"February 4, 2014 11:40:03"];
NSDateComponents *components = [[NSCalendar currentCalendar] components:unitFlags fromDate:februaryFourth2014];
// Months are 0-indexed for JavaScript Dates.
JSValue *jsDate = [context[@"Date"] constructWithArguments:@[@2014, @1, @4, @11, @40, @3]];

int year = [[jsDate invokeMethod:@"getFullYear" withArguments:@[]] toInt32];
int month = [[jsDate invokeMethod:@"getMonth" withArguments:@[]] toInt32] + 1;
int day = [[jsDate invokeMethod:@"getDate" withArguments:@[]] toInt32];
int hour = [[jsDate invokeMethod:@"getHours" withArguments:@[]] toInt32];
int minute = [[jsDate invokeMethod:@"getMinutes" withArguments:@[]] toInt32];
int second = [[jsDate invokeMethod:@"getSeconds" withArguments:@[]] toInt32];

checkResult(@"JS Date to NSDate", year == [components year]
&& month == [components month]
&& day == [components day]
&& hour == [components hour]
&& minute == [components minute]
&& second == [components second]);
}

+ (void) roundTripThroughJSDateTest
{
JSContext *context = [[JSContext alloc] init];
[context evaluateScript:@"function jsReturnDate(date) { return date; }"];
NSDateFormatter *formatter = [[NSDateFormatter alloc] init];
[formatter setDateFormat:@"MMMM dd',' yyyy hh:mm:ss"];
[formatter setLocale:[[NSLocale alloc] initWithLocaleIdentifier:@"en_US"]];
NSDate *februaryFourth2014 = [formatter dateFromString:@"February 4, 2014 11:40:03"];
NSDateComponents *components = [[NSCalendar currentCalendar] components:unitFlags fromDate:februaryFourth2014];

JSValue *roundTripThroughJS = [context[@"jsReturnDate"] callWithArguments:@[februaryFourth2014]];
int year = [[roundTripThroughJS invokeMethod:@"getFullYear" withArguments:@[]] toInt32];
// Months are 0-indexed for JavaScript Dates.
int month = [[roundTripThroughJS invokeMethod:@"getMonth" withArguments:@[]] toInt32] + 1;
int day = [[roundTripThroughJS invokeMethod:@"getDate" withArguments:@[]] toInt32];
int hour = [[roundTripThroughJS invokeMethod:@"getHours" withArguments:@[]] toInt32];
int minute = [[roundTripThroughJS invokeMethod:@"getMinutes" withArguments:@[]] toInt32];
int second = [[roundTripThroughJS invokeMethod:@"getSeconds" withArguments:@[]] toInt32];

checkResult(@"JS date round trip", year == [components year]
&& month == [components month]
&& day == [components day]
&& hour == [components hour]
&& minute == [components minute]
&& second == [components second]);
}

+ (void) roundTripThroughObjCDateTest
{
JSContext *context = [[JSContext alloc] init];
context[@"objcReturnDate"] = ^(NSDate *date) {
return date;
};
[context evaluateScript:@"function test() {\
var date = new Date(2014, 1, 4, 11, 40, 3); \
var result = objcReturnDate(date); \
return date.getYear() === result.getYear() \
&& date.getMonth() === result.getMonth() \
&& date.getDate() === result.getDate() \
&& date.getHours() === result.getHours() \
&& date.getMinutes() === result.getMinutes() \
&& date.getSeconds() === result.getSeconds() \
&& date.getMilliseconds() === result.getMilliseconds();\
}"];

checkResult(@"ObjC date round trip", [[context[@"test"] callWithArguments:@[]] toBool]);
}

@end

void runDateTests()
{
@autoreleasepool {
[DateTests NSDateToJSDateTest];
[DateTests JSDateToNSDateTest];
[DateTests roundTripThroughJSDateTest];
[DateTests roundTripThroughObjCDateTest];
}
}

#endif // JSC_OBJC_API_ENABLED