2dada8f365
In a following patch, all DevTools moz.build files will use DevToolsModules to install JS modules at a path that corresponds directly to their source tree location. Here we rewrite all require and import calls to match the new location that these files are installed to.
84 lines
3.0 KiB
JavaScript
84 lines
3.0 KiB
JavaScript
/* Any copyright is dedicated to the Public Domain.
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* http://creativecommons.org/publicdomain/zero/1.0/ */
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// Tests that scrollIntoViewIfNeeded works properly.
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let {scrollIntoViewIfNeeded} = require("devtools/shared/layout/utils");
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const TEST_URI = TEST_URI_ROOT + "browser_layoutHelpers.html";
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add_task(function*() {
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let [host, win, doc] = yield createHost("bottom", TEST_URI);
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runTest(win);
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host.destroy();
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});
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function runTest(win) {
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let some = win.document.getElementById('some');
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some.style.top = win.innerHeight + 'px';
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some.style.left = win.innerWidth + 'px';
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// The tests start with a black 2x2 pixels square below bottom right.
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// Do not resize the window during the tests.
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let xPos = Math.floor(win.innerWidth / 2);
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win.scroll(xPos, win.innerHeight + 2); // Above the viewport.
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scrollIntoViewIfNeeded(some);
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is(win.scrollY, Math.floor(win.innerHeight / 2) + 1,
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'Element completely hidden above should appear centered.');
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is(win.scrollX, xPos,
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'scrollX position has not changed.');
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win.scroll(win.innerWidth / 2, win.innerHeight + 1); // On the top edge.
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scrollIntoViewIfNeeded(some);
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is(win.scrollY, win.innerHeight,
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'Element partially visible above should appear above.');
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is(win.scrollX, xPos,
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'scrollX position has not changed.');
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win.scroll(win.innerWidth / 2, 0); // Just below the viewport.
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scrollIntoViewIfNeeded(some);
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is(win.scrollY, Math.floor(win.innerHeight / 2) + 1,
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'Element completely hidden below should appear centered.');
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is(win.scrollX, xPos,
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'scrollX position has not changed.');
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win.scroll(win.innerWidth / 2, 1); // On the bottom edge.
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scrollIntoViewIfNeeded(some);
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is(win.scrollY, 2,
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'Element partially visible below should appear below.');
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is(win.scrollX, xPos,
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'scrollX position has not changed.');
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win.scroll(win.innerWidth / 2, win.innerHeight + 2); // Above the viewport.
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scrollIntoViewIfNeeded(some, false);
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is(win.scrollY, win.innerHeight,
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'Element completely hidden above should appear above ' +
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'if parameter is false.');
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is(win.scrollX, xPos,
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'scrollX position has not changed.');
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win.scroll(win.innerWidth / 2, win.innerHeight + 1); // On the top edge.
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scrollIntoViewIfNeeded(some, false);
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is(win.scrollY, win.innerHeight,
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'Element partially visible above should appear above ' +
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'if parameter is false.');
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is(win.scrollX, xPos,
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'scrollX position has not changed.');
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win.scroll(win.innerWidth / 2, 0); // Below the viewport.
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scrollIntoViewIfNeeded(some, false);
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is(win.scrollY, 2,
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'Element completely hidden below should appear below ' +
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'if parameter is false.');
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is(win.scrollX, xPos,
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'scrollX position has not changed.');
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win.scroll(win.innerWidth / 2, 1); // On the bottom edge.
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scrollIntoViewIfNeeded(some, false);
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is(win.scrollY, 2,
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'Element partially visible below should appear below ' +
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'if parameter is false.');
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is(win.scrollX, xPos,
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'scrollX position has not changed.');
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}
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