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Diffstat (limited to 'Firestore/Example/Tests/Core/FSTTimestampTests.mm')
-rw-r--r-- | Firestore/Example/Tests/Core/FSTTimestampTests.mm | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/Firestore/Example/Tests/Core/FSTTimestampTests.mm b/Firestore/Example/Tests/Core/FSTTimestampTests.mm new file mode 100644 index 0000000..a3765fe --- /dev/null +++ b/Firestore/Example/Tests/Core/FSTTimestampTests.mm @@ -0,0 +1,88 @@ +/* + * Copyright 2017 Google + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#import "Firestore/Source/Core/FSTTimestamp.h" + +#import <XCTest/XCTest.h> + +#import "Firestore/Source/Util/FSTAssert.h" + +#import "Firestore/Example/Tests/Util/FSTHelpers.h" + +NS_ASSUME_NONNULL_BEGIN + +@interface FSTTimestampTests : XCTestCase +@end + +@implementation FSTTimestampTests + +- (void)testFromDate { + // Very carefully construct an NSDate that won't lose precision with its milliseconds. + NSDate *input = [NSDate dateWithTimeIntervalSinceReferenceDate:1.5]; + + FSTTimestamp *actual = [FSTTimestamp timestampWithDate:input]; + static const int64_t kSecondsFromEpochToReferenceDate = 978307200; + XCTAssertEqual(kSecondsFromEpochToReferenceDate + 1, actual.seconds); + XCTAssertEqual(500000000, actual.nanos); + + FSTTimestamp *expected = + [[FSTTimestamp alloc] initWithSeconds:(kSecondsFromEpochToReferenceDate + 1) nanos:500000000]; + XCTAssertEqualObjects(expected, actual); +} + +- (void)testSO8601String { + NSDate *date = FSTTestDate(1912, 4, 14, 23, 40, 0); + FSTTimestamp *timestamp = + [[FSTTimestamp alloc] initWithSeconds:(int64_t)date.timeIntervalSince1970 nanos:543000000]; + XCTAssertEqualObjects(timestamp.ISO8601String, @"1912-04-14T23:40:00.543000000Z"); +} + +- (void)testISO8601String_withLowMilliseconds { + NSDate *date = FSTTestDate(1912, 4, 14, 23, 40, 0); + FSTTimestamp *timestamp = + [[FSTTimestamp alloc] initWithSeconds:(int64_t)date.timeIntervalSince1970 nanos:7000000]; + XCTAssertEqualObjects(timestamp.ISO8601String, @"1912-04-14T23:40:00.007000000Z"); +} + +- (void)testISO8601String_withLowNanos { + FSTTimestamp *timestamp = [[FSTTimestamp alloc] initWithSeconds:0 nanos:1]; + XCTAssertEqualObjects(timestamp.ISO8601String, @"1970-01-01T00:00:00.000000001Z"); +} + +- (void)testISO8601String_withNegativeSeconds { + FSTTimestamp *timestamp = [[FSTTimestamp alloc] initWithSeconds:-1 nanos:999999999]; + XCTAssertEqualObjects(timestamp.ISO8601String, @"1969-12-31T23:59:59.999999999Z"); +} + +- (void)testCompare { + NSArray<FSTTimestamp *> *timestamps = @[ + [[FSTTimestamp alloc] initWithSeconds:12344 nanos:999999999], + [[FSTTimestamp alloc] initWithSeconds:12345 nanos:0], + [[FSTTimestamp alloc] initWithSeconds:12345 nanos:000000001], + [[FSTTimestamp alloc] initWithSeconds:12345 nanos:99999999], + [[FSTTimestamp alloc] initWithSeconds:12345 nanos:100000000], + [[FSTTimestamp alloc] initWithSeconds:12345 nanos:100000001], + [[FSTTimestamp alloc] initWithSeconds:12346 nanos:0], + ]; + for (int i = 0; i < timestamps.count - 1; ++i) { + XCTAssertEqual(NSOrderedAscending, [timestamps[i] compare:timestamps[i + 1]]); + XCTAssertEqual(NSOrderedDescending, [timestamps[i + 1] compare:timestamps[i]]); + } +} + +@end + +NS_ASSUME_NONNULL_END |