| <!doctype html> |
| <html> |
| <head> |
| <title>Viewport: Dimensions with scrollbars</title> |
| <meta charset="utf-8"> |
| <meta name="viewport" content="width=device-width, minimum-scale=1"> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="viewport_support.js"></script> |
| <script> |
| setup({explicit_done: true, explicit_timeout: true}); |
| </script> |
| <style> |
| #spacer { |
| width: 10000px; |
| height: 10000px; |
| position: absolute; |
| visibility: hidden; |
| } |
| </style> |
| </head> |
| <body> |
| <h1>Viewport: Dimensions with scrollbars</h1> |
| <h4> |
| Test Description: Tests the viewport dimensions correctly account for |
| scrollbars |
| </h4> |
| <h2 style="color: red">THIS IS A MANUAL TEST</h2> |
| <p id="skip"> |
| <button id="skipbtn" onclick="skipManualTest();">Skip Test</button> |
| <p> |
| If your browser doesn't support browser-zoom (Ctrl+/-, e.g. Mobile |
| Browsers) please skip. |
| </p> |
| </p> |
| <p id="instruction"></p> |
| <button id="continue">Start Test</button> |
| <div id="log"></div> |
| <div id="spacer"></div> |
| </body> |
| <script> |
| var continueBtn = document.getElementById("continue"); |
| var scrollbarThickness = calculateScrollbarThickness(); |
| |
| function continueTest() { |
| nextStep(function(instructionText) { |
| var instruction = document.getElementById("instruction"); |
| continueBtn.innerText = "Continue"; |
| instruction.innerText = instructionText; |
| }); |
| } |
| |
| continueBtn.addEventListener('click', continueTest); |
| |
| var originalWidth = 0; |
| var originalHeight = 0; |
| var originalInnerWidth = 0; |
| |
| addManualTestStep( |
| function() {}, |
| null, |
| '1. Ensure the browser is at the default pinch and browser zoom ' + |
| 'levels (100%). Most browsers: ctrl+0'); |
| |
| addManualTestStep( |
| function() { |
| originalWidth = window.visualViewport.width; |
| originalHeight = window.visualViewport.height; |
| originalInnerWidth = window.innerWidth; |
| |
| assert_equals( |
| window.visualViewport.width, |
| window.innerWidth - scrollbarThickness, |
| "Scrollbar width subtracted from viewport."); |
| assert_equals( |
| window.visualViewport.height, |
| window.innerHeight - scrollbarThickness, |
| "Scrollbar height subtracted from viewport."); |
| }, |
| 'No zoom or scale applied', |
| '2. Browser-zoom into 200% (ctrl +)'); |
| |
| addManualTestStep( |
| function() { |
| assert_approx_equals( |
| originalInnerWidth / window.innerWidth, |
| 2.0, |
| 0.1, |
| "Browser zoom to correct level"); |
| |
| // Scrollbars on the window don't grow with browser-zoom so |
| // they'll be fewer CSS pixels as the user zooms in. |
| assert_equals( |
| window.visualViewport.width, |
| window.innerWidth - scrollbarThickness / 2, |
| "Scrollbar width subtracted from viewport."); |
| assert_equals( |
| window.visualViewport.height, |
| window.innerHeight - scrollbarThickness / 2, |
| "Scrollbar height subtracted from viewport."); |
| }, |
| 'With 200% browser zoom', |
| '3. Reset browser zoom (ctrl+0).'); |
| |
| addManualTestStep( |
| showPinchWidget.bind(null, 2.0, 0, 0, continueTest), |
| null, |
| 'Pinch-zoom dialog in progress'); |
| |
| addManualTestStep( |
| function() { |
| assert_approx_equals( |
| window.visualViewport.scale, 2, 0.2, "Pinch zoom to correct scale"); |
| |
| assert_approx_equals(window.visualViewport.width, |
| originalWidth / window.visualViewport.scale, |
| 1, |
| "Scrollbar width subtracted from viewport."); |
| assert_approx_equals(window.visualViewport.height, |
| originalHeight / window.visualViewport.scale, |
| 1, |
| "Scrollbar width subtracted from viewport."); |
| }, |
| 'With ~200% pinch zoom', |
| '4. Pinch-zoom out.'); |
| |
| addManualTestStep( |
| function() { continueBtn.remove(); }, |
| null, |
| 'Test Complete'); |
| </script> |
| </html> |
