diff options
Diffstat (limited to 'devtools/client/shared/test/browser_layoutHelpers_getBoxQuads1.js')
| -rw-r--r-- | devtools/client/shared/test/browser_layoutHelpers_getBoxQuads1.js | 353 |
1 files changed, 353 insertions, 0 deletions
diff --git a/devtools/client/shared/test/browser_layoutHelpers_getBoxQuads1.js b/devtools/client/shared/test/browser_layoutHelpers_getBoxQuads1.js new file mode 100644 index 0000000000..a8119df3fd --- /dev/null +++ b/devtools/client/shared/test/browser_layoutHelpers_getBoxQuads1.js @@ -0,0 +1,353 @@ +/* Any copyright is dedicated to the Public Domain. + * http://creativecommons.org/publicdomain/zero/1.0/ */ + +// Tests getAdjustedQuads works properly in a variety of use cases including +// iframes, scroll and zoom + +"use strict"; + +const TEST_URI = TEST_URI_ROOT + "doc_layoutHelpers_getBoxQuads1.html"; + +add_task(async function () { + const tab = await addTab(TEST_URI); + + info("Running tests"); + + await SpecialPowers.spawn(tab.linkedBrowser, [], async function () { + // This function allows the Content Task to easily call `FullZoom` API in + // the parent process. + function sendCommand(cmd) { + return SpecialPowers.spawnChrome([cmd], async data => { + const window = this.browsingContext.topChromeWindow; + switch (data) { + case "zoom-enlarge": + window.FullZoom.enlarge(); + break; + case "zoom-reset": + await window.FullZoom.reset(); + break; + case "zoom-reduce": + window.FullZoom.reduce(); + break; + } + }); + } + + const doc = content.document; + + const { require } = ChromeUtils.importESModule( + "resource://devtools/shared/loader/Loader.sys.mjs" + ); + const { + getAdjustedQuads, + } = require("resource://devtools/shared/layout/utils.js"); + + Assert.strictEqual( + typeof getAdjustedQuads, + "function", + "getAdjustedQuads is defined" + ); + + returnsTheRightDataStructure(); + isEmptyForMissingNode(); + isEmptyForHiddenNodes(); + defaultsToBorderBoxIfNoneProvided(); + returnsLikeGetBoxQuadsInSimpleCase(); + takesIframesOffsetsIntoAccount(); + takesScrollingIntoAccount(); + await takesZoomIntoAccount(); + returnsMultipleItemsForWrappingInlineElements(); + + function returnsTheRightDataStructure() { + info("Checks that the returned data contains bounds and 4 points"); + + const node = doc.querySelector("body"); + const [res] = getAdjustedQuads(doc.defaultView, node, "content"); + + ok("bounds" in res, "The returned data has a bounds property"); + ok("p1" in res, "The returned data has a p1 property"); + ok("p2" in res, "The returned data has a p2 property"); + ok("p3" in res, "The returned data has a p3 property"); + ok("p4" in res, "The returned data has a p4 property"); + + for (const boundProp of [ + "bottom", + "top", + "right", + "left", + "width", + "height", + "x", + "y", + ]) { + ok( + boundProp in res.bounds, + "The bounds has a " + boundProp + " property" + ); + } + + for (const point of ["p1", "p2", "p3", "p4"]) { + for (const pointProp of ["x", "y", "z", "w"]) { + ok( + pointProp in res[point], + point + " has a " + pointProp + " property" + ); + } + } + } + + function isEmptyForMissingNode() { + info("Checks that null is returned for invalid nodes"); + + for (const input of [null, undefined, "", 0]) { + is( + getAdjustedQuads(doc.defaultView, input).length, + 0, + "A 0-length array is returned for input " + input + ); + } + } + + function isEmptyForHiddenNodes() { + info("Checks that null is returned for nodes that aren't rendered"); + + const style = doc.querySelector("#styles"); + is( + getAdjustedQuads(doc.defaultView, style).length, + 0, + "null is returned for a <style> node" + ); + + const hidden = doc.querySelector("#hidden-node"); + is( + getAdjustedQuads(doc.defaultView, hidden).length, + 0, + "null is returned for a hidden node" + ); + } + + function defaultsToBorderBoxIfNoneProvided() { + info( + "Checks that if no boxtype is passed, then border is the default one" + ); + + const node = doc.querySelector("#simple-node-with-margin-padding-border"); + const [withBoxType] = getAdjustedQuads(doc.defaultView, node, "border"); + const [withoutBoxType] = getAdjustedQuads(doc.defaultView, node); + + for (const boundProp of [ + "bottom", + "top", + "right", + "left", + "width", + "height", + "x", + "y", + ]) { + is( + withBoxType.bounds[boundProp], + withoutBoxType.bounds[boundProp], + boundProp + " bound is equal with or without the border box type" + ); + } + + for (const point of ["p1", "p2", "p3", "p4"]) { + for (const pointProp of ["x", "y", "z", "w"]) { + is( + withBoxType[point][pointProp], + withoutBoxType[point][pointProp], + point + + "." + + pointProp + + " is equal with or without the border box type" + ); + } + } + } + + function returnsLikeGetBoxQuadsInSimpleCase() { + info( + "Checks that for an element in the main frame, without scroll nor zoom" + + "that the returned value is similar to the returned value of getBoxQuads" + ); + + const node = doc.querySelector("#simple-node-with-margin-padding-border"); + + for (const region of ["content", "padding", "border", "margin"]) { + const expected = node.getBoxQuads({ + box: region, + })[0]; + const [actual] = getAdjustedQuads(doc.defaultView, node, region); + + for (const boundProp of [ + "bottom", + "top", + "right", + "left", + "width", + "height", + "x", + "y", + ]) { + is( + actual.bounds[boundProp], + expected.getBounds()[boundProp], + boundProp + + " bound is equal to the one returned by getBoxQuads for " + + region + + " box" + ); + } + + for (const point of ["p1", "p2", "p3", "p4"]) { + for (const pointProp of ["x", "y", "z", "w"]) { + is( + actual[point][pointProp], + expected[point][pointProp], + point + + "." + + pointProp + + " is equal to the one returned by getBoxQuads for " + + region + + " box" + ); + } + } + } + } + + function takesIframesOffsetsIntoAccount() { + info( + "Checks that the quad returned for a node inside iframes that have " + + "margins takes those offsets into account" + ); + + const rootIframe = doc.querySelector("iframe"); + const subIframe = rootIframe.contentDocument.querySelector("iframe"); + const innerNode = subIframe.contentDocument.querySelector("#inner-node"); + + const [quad] = getAdjustedQuads(doc.defaultView, innerNode, "content"); + + // rootIframe margin + subIframe margin + node margin + node border + node padding + const p1x = 10 + 10 + 10 + 10 + 10; + is(quad.p1.x, p1x, "The inner node's p1 x position is correct"); + + // Same as p1x + the inner node width + const p2x = p1x + 100; + is(quad.p2.x, p2x, "The inner node's p2 x position is correct"); + } + + function takesScrollingIntoAccount() { + info( + "Checks that the quad returned for a node inside multiple scrolled " + + "containers takes the scroll values into account" + ); + + // For info, the container being tested here is absolutely positioned at 0 0 + // to simplify asserting the coordinates + + info("Scroll the container nodes down"); + const scrolledNode = doc.querySelector("#scrolled-node"); + scrolledNode.scrollTop = 100; + const subScrolledNode = doc.querySelector("#sub-scrolled-node"); + subScrolledNode.scrollTop = 200; + const innerNode = doc.querySelector("#inner-scrolled-node"); + + let [quad] = getAdjustedQuads(doc.defaultView, innerNode, "content"); + is( + quad.p1.x, + 0, + "p1.x of the scrolled node is correct after scrolling down" + ); + is( + quad.p1.y, + -300, + "p1.y of the scrolled node is correct after scrolling down" + ); + + info("Scrolling back up"); + scrolledNode.scrollTop = 0; + subScrolledNode.scrollTop = 0; + + [quad] = getAdjustedQuads(doc.defaultView, innerNode, "content"); + is( + quad.p1.x, + 0, + "p1.x of the scrolled node is correct after scrolling up" + ); + is( + quad.p1.y, + 0, + "p1.y of the scrolled node is correct after scrolling up" + ); + } + + async function takesZoomIntoAccount() { + info( + "Checks that if the page is zoomed in/out, the quad returned is correct" + ); + + // Hard-coding coordinates in this zoom test is a bad idea as it can vary + // depending on the platform, so we simply test that zooming in produces a + // bigger quad and zooming out produces a smaller quad + + const node = doc.querySelector("#simple-node-with-margin-padding-border"); + const [defaultQuad] = getAdjustedQuads(doc.defaultView, node); + + info("Zoom in"); + await sendCommand("zoom-enlarge"); + const [zoomedInQuad] = getAdjustedQuads(doc.defaultView, node); + + Assert.greater( + zoomedInQuad.bounds.width, + defaultQuad.bounds.width, + "The zoomed in quad is bigger than the default one" + ); + Assert.greater( + zoomedInQuad.bounds.height, + defaultQuad.bounds.height, + "The zoomed in quad is bigger than the default one" + ); + + info("Zoom out"); + await sendCommand("zoom-reset"); + await sendCommand("zoom-reduce"); + + const [zoomedOutQuad] = getAdjustedQuads(doc.defaultView, node); + + Assert.less( + zoomedOutQuad.bounds.width, + defaultQuad.bounds.width, + "The zoomed out quad is smaller than the default one" + ); + Assert.less( + zoomedOutQuad.bounds.height, + defaultQuad.bounds.height, + "The zoomed out quad is smaller than the default one" + ); + + await sendCommand("zoom-reset"); + } + + function returnsMultipleItemsForWrappingInlineElements() { + info( + "Checks that several quads are returned " + + "for inline elements that span line-breaks" + ); + + const node = doc.querySelector("#inline"); + const quads = getAdjustedQuads(doc.defaultView, node, "content"); + // At least 3 because of the 2 <br />, maybe more depending on the window size. + Assert.greaterOrEqual(quads.length, 3, "Multiple quads were returned"); + + is( + quads.length, + node.getBoxQuads().length, + "The same number of boxes as getBoxQuads was returned" + ); + } + }); + + gBrowser.removeCurrentTab(); +}); |