| /* |
| * Copyright (C) 2018 Apple Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. 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. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS 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 APPLE INC. OR ITS 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. |
| */ |
| |
| #import "config.h" |
| |
| #if WK_API_ENABLED && PLATFORM(IOS) |
| |
| #import "PlatformUtilities.h" |
| #import "TestWKWebView.h" |
| #import <WebKit/WKWebViewPrivate.h> |
| |
| using namespace TestWebKitAPI; |
| |
| @implementation TestWKWebView (ViewportTestingHelpers) |
| |
| - (BOOL)scaleIsApproximately:(CGFloat)expectedScale |
| { |
| static const double maximumExpectedScaleDifference = 0.001; |
| return ABS(self.scrollView.zoomScale - expectedScale) < maximumExpectedScaleDifference; |
| } |
| |
| - (void)expectScaleToBecome:(CGFloat)expectedScale |
| { |
| while (![self scaleIsApproximately:expectedScale]) |
| [self waitForNextPresentationUpdate]; |
| } |
| |
| @end |
| |
| static NSString *viewportTestPageMarkup(NSString *viewportMetaContent, int contentWidth, int contentHeight) |
| { |
| return [NSString stringWithFormat:@"<meta name='viewport' content='%@'><body style='margin: 0'><div style='width: %dpx; height: %dpx; background-color: red'></div>", viewportMetaContent, contentWidth, contentHeight]; |
| } |
| |
| namespace TestWebKitAPI { |
| |
| TEST(ViewportSizingTests, ForceShrinkToFitViewportOverridesViewportParameters) |
| { |
| auto webView = adoptNS([[TestWKWebView alloc] initWithFrame:CGRectMake(0, 0, 400, 400)]); |
| [webView _setAllowsViewportShrinkToFit:YES]; |
| [webView _setForceHorizontalViewportShrinkToFit:NO]; |
| [webView synchronouslyLoadHTMLString:viewportTestPageMarkup(@"width=device-width, shrink-to-fit=no", 600, 100)]; |
| [webView expectScaleToBecome:1]; |
| |
| [webView _setForceHorizontalViewportShrinkToFit:YES]; |
| [webView expectScaleToBecome:0.667]; |
| |
| [webView _setForceHorizontalViewportShrinkToFit:NO]; |
| [webView expectScaleToBecome:1]; |
| } |
| |
| TEST(ViewportSizingTests, ShrinkToFitViewportWithMinimumAllowedLayoutWidth) |
| { |
| auto webView = adoptNS([[TestWKWebView alloc] initWithFrame:CGRectMake(0, 0, 200, 200)]); |
| [webView _setAllowsViewportShrinkToFit:YES]; |
| [webView _setForceHorizontalViewportShrinkToFit:YES]; |
| [webView _setMinimumAllowedLayoutWidth:0]; |
| [webView synchronouslyLoadHTMLString:viewportTestPageMarkup(@"width=device-width, initial-scale=1", 400, 100)]; |
| [webView expectScaleToBecome:0.5]; |
| EXPECT_WK_STREQ("200", [webView stringByEvaluatingJavaScript:@"document.body.clientWidth"]); |
| |
| [webView _setMinimumAllowedLayoutWidth:400]; |
| [webView waitForNextPresentationUpdate]; |
| EXPECT_WK_STREQ("400", [webView stringByEvaluatingJavaScript:@"document.body.clientWidth"]); |
| EXPECT_TRUE([webView scaleIsApproximately:0.5]); |
| |
| [webView _setMinimumAllowedLayoutWidth:100]; |
| [webView waitForNextPresentationUpdate]; |
| EXPECT_WK_STREQ("200", [webView stringByEvaluatingJavaScript:@"document.body.clientWidth"]); |
| EXPECT_TRUE([webView scaleIsApproximately:0.5]); |
| } |
| |
| } // namespace TestWebKitAPI |
| |
| #endif // WK_API_ENABLED && PLATFORM(IOS) |
