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