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Dimensions: Detect and account for content-box dimension mishandling

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Fixes gh-3699
Closes gh-3700
This commit is contained in:
Richard Gibson
2017-07-10 12:35:03 -04:00
committed by GitHub
parent a6a28d24c1
commit 3fcddd6e72
3 changed files with 44 additions and 16 deletions
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17
test/unit/dimensions.js
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@@ -585,7 +585,14 @@ QUnit.test( "interaction with scrollbars (gh-3589)", function( assert ) {
.css( borderBox )
.css( { "box-sizing": "border-box" } )
.appendTo( parent ),
$boxes = jQuery( [ plainContentBox[ 0 ], contentBox[ 0 ], borderBox[ 0 ] ] );
$boxes = jQuery( [ plainContentBox[ 0 ], contentBox[ 0 ], borderBox[ 0 ] ] ),
// Support: IE 9 only
// Computed width seems to report content width even with "box-sizing: border-box", and
// "overflow: scroll" actually _shrinks_ the element (gh-3699).
borderBoxLoss =
borderBox.clone().css( { overflow: "auto" } ).appendTo( parent )[ 0 ].offsetWidth -
borderBox[ 0 ].offsetWidth;
for ( i = 0; i < 3; i++ ) {
if ( i === 1 ) {
@@ -616,13 +623,13 @@ QUnit.test( "interaction with scrollbars (gh-3589)", function( assert ) {
assert.equal( contentBox.outerHeight(), size + 2 * padding + 2 * borderWidth,
"content-box outerHeight includes scroll gutter" + suffix );
assert.equal( borderBox.innerWidth(), size - 2 * borderWidth,
assert.equal( borderBox.innerWidth(), size - borderBoxLoss - 2 * borderWidth,
"border-box innerWidth includes scroll gutter" + suffix );
assert.equal( borderBox.innerHeight(), size - 2 * borderWidth,
assert.equal( borderBox.innerHeight(), size - borderBoxLoss - 2 * borderWidth,
"border-box innerHeight includes scroll gutter" + suffix );
assert.equal( borderBox.outerWidth(), size,
assert.equal( borderBox.outerWidth(), size - borderBoxLoss,
"border-box outerWidth includes scroll gutter" + suffix );
assert.equal( borderBox.outerHeight(), size,
assert.equal( borderBox.outerHeight(), size - borderBoxLoss,
"border-box outerHeight includes scroll gutter" + suffix );
}
} );