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UIFont+MaterialTypographyTests.m
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UIFont+MaterialTypographyTests.m
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// Copyright 2018-present the Material Components for iOS authors. All Rights Reserved.
//
// 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 <XCTest/XCTest.h>
#import "MDCTypographyMockTraitEnvironment.h"
#import "MaterialTypography.h"
@interface UIFont_MaterialTypographyTests : XCTestCase
@end
@implementation UIFont_MaterialTypographyTests
- (void)testMDC_standardFontForMaterialTextStyleReturnsEquivalentFonts {
// Given
NSArray<NSNumber *> *textStyles = @[
@(MDCFontTextStyleTitle), @(MDCFontTextStyleBody1), @(MDCFontTextStyleBody2),
@(MDCFontTextStyleButton), @(MDCFontTextStyleCaption), @(MDCFontTextStyleDisplay1),
@(MDCFontTextStyleDisplay2), @(MDCFontTextStyleDisplay3), @(MDCFontTextStyleDisplay4),
@(MDCFontTextStyleHeadline), @(MDCFontTextStyleSubheadline)
];
for (NSNumber *textStyleNumber in textStyles) {
MDCFontTextStyle textStyle = [textStyleNumber integerValue];
// When
UIFont *font1 = [UIFont mdc_standardFontForMaterialTextStyle:textStyle];
UIFont *font2 = [UIFont mdc_standardFontForMaterialTextStyle:textStyle];
// Then
XCTAssertEqualObjects(font1, font2);
}
}
- (void)testScaledFontForTraitEnvironmentOniOS10AndAboveConsultsTheTraitEnvironment {
if (@available(iOS 10.0, *)) {
// Given
UIFont *font = [UIFont systemFontOfSize:22.0];
font = [[[MDCFontScaler scalerForMaterialTextStyle:MDCTextStyleHeadline1]
scaledFontWithFont:font] mdc_scaledFontAtDefaultSize];
MDCTypographyMockTraitEnvironment *traitEnvironment =
[[MDCTypographyMockTraitEnvironment alloc] init];
traitEnvironment.traitCollection = [UITraitCollection
traitCollectionWithPreferredContentSizeCategory:UIContentSizeCategoryExtraLarge];
// When
UIFont *scaledFont = [font mdc_scaledFontForTraitEnvironment:traitEnvironment];
// Then
XCTAssertGreaterThan(scaledFont.pointSize, font.pointSize);
}
}
- (void)testScaledFontForTraitEnvironmentWithNoApplicationOniOS9DoesNothing {
// Only run this test on iOS 9
NSOperatingSystemVersion iOS10Version = {10, 0, 0};
if ([NSProcessInfo.processInfo isOperatingSystemAtLeastVersion:iOS10Version]) {
return;
}
// Given
XCTAssertNil(UIApplication.sharedApplication);
UIFont *font = [UIFont systemFontOfSize:22.0];
font = [[MDCFontScaler scalerForMaterialTextStyle:MDCTextStyleHeadline1] scaledFontWithFont:font];
MDCTypographyMockTraitEnvironment *traitEnvironment =
[[MDCTypographyMockTraitEnvironment alloc] init];
// When
UIFont *scaledFont = [font mdc_scaledFontForTraitEnvironment:traitEnvironment];
// Then
XCTAssertTrue([scaledFont mdc_isSimplyEqual:font]);
}
@end