CSS Grid Layout Module Level 1 Test Suite
-----------------------------------------
Directory containing the CSS Grid Layout spec test suite.
This suite is structured in different folders for each section of the spec
(the name of the folders corresponds to the "id" of each section):
* [3 Grid Containers](https://drafts.csswg.org/css-grid-1/#grid-model):
`grid-model`
* [4 Grid Items](https://drafts.csswg.org/css-grid-1/#grid-items):
`grid-items`
* [5 The Explicit Grid](https://drafts.csswg.org/css-grid-1/#grid-definition):
`grid-definition`
* [6 The Implicit Grid](https://drafts.csswg.org/css-grid-1/#implicit-grids):
`implicit-grids`
* [7 Grid Definition Shorthand](https://drafts.csswg.org/css-grid-1/#grid-shorthand):
`grid-shorthand`
* [8 Clamping Overlarge Grids](https://drafts.csswg.org/css-grid-1/#overlarge-grids):
`overlarge-grids`
* [9 Placing Grid Items](https://drafts.csswg.org/css-grid-1/#placement):
`placement`
* [10 Absolute Positioning](https://drafts.csswg.org/css-grid-1/#abspos):
`abspos`
* [11 Alignment and Spacing](https://drafts.csswg.org/css-grid-1/#alignment):
`alignment`
* [12 Grid Sizing](https://drafts.csswg.org/css-grid-1/#layout-algorithm):
`layout-algorithm`
* [13 Fragmenting Grid Layout](https://drafts.csswg.org/css-grid-1/#pagination):
`pagination`
Links:
* [Spec Editor's Draft](https://drafts.csswg.org/css-grid-1/)
* [Test Plan](http://test.csswg.org/source/css-grid-1/test-plan/)
* [Test Suite](http://test.csswg.org/suites/css-grid-1_dev/nightly-unstable/)
Name Last modified Size Description
Parent Directory -
abspos/ 2025-05-13 06:00 -
alignment/ 2025-03-23 06:02 -
animation/ 2023-12-22 06:01 -
grid-definition/ 2025-05-13 06:00 -
grid-items/ 2025-06-02 06:01 -
grid-model/ 2024-02-20 06:01 -
implicit-grids/ 2022-11-12 16:48 -
layout-algorithm/ 2025-04-12 06:02 -
masonry/ 2023-12-03 06:00 -
parsing/ 2025-04-15 06:01 -
placement/ 2022-11-12 16:50 -
reference/ 2023-12-22 06:02 -
subgrid/ 2025-05-13 06:00 -
support/ 2022-11-12 16:48 -
test-plan/ 2022-11-12 16:47 -
WEB_FEATURES.yml 2023-12-03 06:00 37
stretch-grid-item-radio-input-ref.html 2022-11-12 16:47 99
stretch-grid-item-checkbox-input-ref.html 2022-11-12 16:47 102
META.yml 2024-01-11 06:01 147
grid-item-non-auto-height-stretch-ref.html 2022-11-12 16:47 151 CSS test reference
firefox-bug-1958131-crash.html 2025-04-16 06:02 174
anonymous-grid-items-002-ref.html 2025-06-24 06:02 189
fieldset-first-line-crash.html 2024-01-03 06:01 204
min-size-auto-overflow-clip-ref.html 2024-05-07 06:01 289
stretch-grid-item-radio-input.html 2022-11-12 16:47 300
stretch-grid-item-checkbox-input.html 2022-11-12 16:47 306
grid-flex-spanning-items-001-ref.html 2025-03-28 06:02 380 CSS Grid Layout Reference Case
nested-grid-item-block-size-001-ref.html 2022-11-12 16:47 405
table-grid-item-dynamic-001-ref.html 2022-11-12 16:48 405 CSS Test Reference
anonymous-grid-items-002.html 2025-06-24 06:02 453
grid-within-flexbox-definite-change.html 2022-11-12 16:47 463
table-grid-item-dynamic-002-ref.html 2022-11-12 16:48 467 CSS Test Reference
dynamic-grid-with-auto-fill.html 2022-11-12 16:50 494
table-grid-item-dynamic-003-ref.html 2022-11-12 16:50 494 CSS Test Reference
relative-grandchild.html 2022-11-12 16:48 496
grid-item-percentage-quirk-001.html 2022-11-12 16:48 502
grid-item-percentage-quirk-002.html 2022-11-12 16:48 510
table-grid-item-dynamic-004-ref.html 2022-11-12 16:47 510 CSS Test Reference
grid-within-flexbox-indefinite.html 2022-11-12 16:47 514
grid-important.html 2024-05-31 06:02 523 CSS Grid: !important flag parsing
anonymous-grid-items-001.html 2022-11-12 16:47 542 CSS Grid: anonynous grid items.
chrome-crash-001.html 2022-11-12 16:48 552
dynamic-grid-within-flexbox.html 2022-11-12 16:48 575
grid-item-non-auto-height-stretch-001.html 2022-11-12 16:48 595 Grid items only stretch if block-size computes to auto
grid-item-non-auto-height-stretch-003.html 2022-11-12 16:47 595 Grid items only stretch if block-size computes to auto
min-size-auto-overflow-clip.html 2024-05-07 06:01 610 overflow: visible and clip behave the same for min-size purposes
grid-relayout-with-nested-grid-ref.html 2024-08-01 06:02 616
grid-item-non-auto-height-stretch-002.html 2022-11-12 16:47 623 Grid items only stretch if block-size computes to auto
grid-item-non-auto-height-stretch-004.html 2022-11-12 16:47 623 Grid items only stretch if block-size computes to auto
img-src-changes.html 2025-01-11 06:01 623
whitespace-reattach.html 2022-11-12 16:47 630
chrome-bug-001.html 2022-11-12 16:48 639
grid-with-dynamic-img.html 2022-11-12 16:50 641
grid-in-table-cell-with-img.html 2024-07-31 06:02 658
grid-with-orthogonal-child-within-flexbox.html 2022-11-12 16:48 700
grid-tracks-fractional-fr.html 2024-01-23 06:01 701 Tests fractional fr-units which should multiply to whole numbers.
grid-flex-spanning-items-001.html 2025-03-28 06:02 709 CSS Grid Layout Test: Intrinsic sizing of grid with spanning flex items in a min-content container
child-border-box-and-max-content-001-ref.html 2022-11-12 16:48 746 grid item with border-box and max-content should include borders
child-border-box-and-max-content-002-ref.html 2022-11-12 16:48 746 grid item with border-box and max-content should include borders
grid-table-cell-001-crash.html 2024-02-05 06:01 755
grid-child-percent-basis-resize-1-ref.html 2022-11-12 16:47 765 CSS Test Reference: bug 1584018
grid-with-aspect-ratio-uses-content-box-height-for-track-sizing.html 2023-11-21 06:01 849
nested-grid-item-block-size-001.html 2022-11-12 16:47 852 CSS Grid Test: Nested grid contains an item that overflows the viewport
grid-fragmentation-between-rows-001-print-ref.tentative.html 2025-04-08 06:02 873
firefox-bug-1881495-ref.html 2024-03-06 06:01 875
computed-grid-column.html 2024-12-01 06:00 904 CSS Grid Layout Test: row/column is complex calc()
empty-grid-within-flexbox.html 2024-06-15 06:04 907 CSS Grid Layout Test: Sizing of an empty grid within a flexbox
child-border-box-and-max-content-001.html 2022-11-12 16:48 925 grid item with border-box and max-content should include borders
child-border-box-and-max-content-002.html 2022-11-12 16:48 929 grid item with border-box and max-content should include borders
grid-relayout-with-nested-grid.html 2024-08-01 06:02 1.0K
grid-fragmentation-between-rows-001-print.tentative.html 2025-04-08 06:02 1.0K
table-grid-item-dynamic-001.html 2022-11-12 16:48 1.1K Table grid items with margins don't grow on incremental relayout
grid-container-as-flex-item-001.html 2025-06-29 06:02 1.1K
grid-with-content-dynamic-display-002.html 2022-11-12 16:48 1.1K
grid-with-content-dynamic-display-001.html 2022-11-12 16:48 1.1K
table-grid-item-dynamic-002.html 2022-11-12 16:48 1.2K Table grid items with min-height should shrink after setting a smaller min-height
grid-container-as-flex-item-002.html 2025-06-29 06:02 1.2K
table-grid-item-005.html 2022-11-12 16:48 1.2K Table sizing inside a fixed sized grid
inheritance.html 2022-11-12 16:48 1.2K Inheritance of CSS Grid Layout properties
grid-container-as-flex-item-003.html 2025-06-29 06:02 1.2K
table-grid-item-dynamic-003.html 2022-11-12 16:48 1.2K Table grid items with padding-top, percentage height, and box-sizing:content-box, don't grow on incremental relayout
grid-child-percent-basis-resize-1.html 2022-11-12 16:47 1.3K Testcase, bug 1584018
table-grid-item-dynamic-004.html 2022-11-12 16:47 1.3K Table grid items with padding-top, definite width, percentage height, and box-sizing:content-box, don't grow on incremental relayout
firefox-bug-1881495.html 2024-03-06 06:01 1.5K
stretch-grid-item-text-input-overflow-ref.html 2023-12-28 06:01 1.9K CSS Grid Reference: stretching overflow!=visible items
stretch-grid-item-text-input-overflow.html 2023-12-28 06:01 2.1K CSS Grid Test: stretching overflow!=visible items: stretching rules for scroll containers don't apply to input
grid-container-baseline-synthesized-001.html 2023-12-22 06:02 2.2K CSS Grid Test: Grid container synthesizing baseline from empty item
grid-container-baseline-synthesized-003.html 2023-12-22 06:02 2.2K CSS Grid Test: Grid container synthesizing baseline from empty item
grid-container-baseline-synthesized-002.html 2023-12-22 06:01 2.2K CSS Grid Test: Grid container synthesizing baseline from empty item
grid-container-baseline-synthesized-004.html 2023-12-22 06:02 2.2K CSS Grid Test: Grid container synthesizing baseline from empty item
stretch-grid-item-button-overflow.html 2023-12-28 06:01 2.3K CSS Grid Test: stretching overflow!=visible items: stretching rules for scroll containers
stretch-grid-item-button-overflow-ref.html 2024-01-10 06:01 2.3K CSS Grid Reference: stretching overflow!=visible items
grid-tracks-stretched-with-different-flex-factors-sum.html 2022-11-12 16:48 2.7K CSS Grid: 'stretch' content alignment on flex tracks.
grid-extrinsically-sized-mutations.html 2025-05-22 06:02 3.3K
grid-layout-properties.html 2023-10-27 06:02 9.7K CSS Test: Grid Layout - Properties exist