import { h } from "@siteimprove/alfa-dom" ; import { None , Option } from "@siteimprove/alfa-option" ; import { test } from "@siteimprove/alfa-test" ; import R83 , { Outcomes } from "../../src/sia-r83/rule" ; import { evaluate } from "../common/evaluate" ; import { passed , failed , inapplicable } from "../common/outcome" ; test ( "evaluate() passes a text node that truncates overflow using ellipsis" , async ( t ) => { const target = h . text ( "Hello world" ) ; const document = h . document ( [ < body > < div > { target } < /div> < /body>, ] , [ h . sheet ( [ h . rule . style ( "div" , { overflow : "hidden" , whiteSpace : "nowrap" , textOverflow : "ellipsis" , } ) , ] ) , ] ) ; t . deepEqual ( await evaluate ( R83 , { document } ) , [ passed ( R83 , target , { 1 : Outcomes . WrapsText , } ) , ] ) ; } ) ; test ( `evaluates() fails a text node overflowing its parent as text and clipped
      by its grand-parent as content` , async ( t ) => { const target = h . text ( "Hello world" ) ; const clipping = ( < div > < span > { target } < /span> < /div>); const document = h . document ( [ < body > { clipping } < /body>], [ h . sheet ( [ h . rule . style ( "div" , { overflow : "hidden" , whiteSpace : "nowrap" , textOverflow : "ellipsis" , } ) , ] ) , ] ) ; t . deepEqual ( await evaluate ( R83 , { document } ) , [ failed ( R83 , target , { 1 : Outcomes . ClipsText ( Option . of ( clipping ) , None ) , } ) , ] ) ; } ) ; test ( `evaluate() passes a text node that is non-statically positioned with a
      clipping ancestor which is not the offset parent` , async ( t ) => { const target = h . text ( "Hello world" ) ; const document = h . document ( [ < body > < div class = "clipping" > < div class = "absolute" > { target } < /div> < /div> < /body>, ] , [ h . sheet ( [ h . rule . style ( ".clipping" , { overflow : "hidden" , height : "28px" , } ) , h . rule . style ( ".absolute" , { position : "absolute" , } ) , ] ) , ] ) ; t . deepEqual ( await evaluate ( R83 , { document } ) , [ passed ( R83 , target , { 1 : Outcomes . WrapsText , } ) , ] ) ; } ) ; test ( `evaluate() fails a text node that clips overflow by not wrapping text
      using the \`white-space\` property` , async ( t ) => { const target = h . text ( "Hello world" ) ; const clipping = < div > { target } < /div>; const document = h . document ( [ < body > { clipping } < /body>], [ h . sheet ( [ h . rule . style ( "div" , { overflow : "hidden" , whiteSpace : "nowrap" , } ) , ] ) , ] ) ; t . deepEqual ( await evaluate ( R83 , { document } ) , [ failed ( R83 , target , { 1 : Outcomes . ClipsText ( Option . of ( clipping ) , None ) , } ) , ] ) ; } ) ; test ( `evaluate() fails a text node that clips overflow and sets a fixed height
      using the px unit` , async ( t ) => { const target = h . text ( "Hello world" ) ; const clipping = < div > { target } < /div>; const document = h . document ( [ < body > { clipping } < /body>], [ h . sheet ( [ h . rule . style ( "div" , { overflow : "hidden" , height : "20px" , } ) , ] ) , ] ) ; t . deepEqual ( await evaluate ( R83 , { document } ) , [ failed ( R83 , target , { 1 : Outcomes . ClipsText ( None , Option . of ( clipping ) ) , } ) , ] ) ; } ) ; test ( `evaluate() fails a text node that clips overflow and sets a fixed height
      using the vh unit` , async ( t ) => { const target = h . text ( "Hello world" ) ; const clipping = < div > { target } < /div>; const document = h . document ( [ < body > { clipping } < /body>], [ h . sheet ( [ h . rule . style ( "div" , { overflow : "hidden" , height : "1vh" , } ) , ] ) , ] ) ; t . deepEqual ( await evaluate ( R83 , { document } ) , [ failed ( R83 , target , { 1 : Outcomes . ClipsText ( None , Option . of ( clipping ) ) , } ) , ] ) ; } ) ; test ( `evaluate() fails a text node that is non-statically positioned with a
      clipping offset parent` , async ( t ) => { const target = h . text ( "Hello world" ) ; const clipping = ( < div class = "clipping" > < div class = "absolute" > { target } < /div> < /div>); const document = h . document ( [ < body > { clipping } < /body>], [ h . sheet ( [ h . rule . style ( ".clipping" , { overflow : "hidden" , position : "relative" , height : "28px" , } ) , h . rule . style ( ".absolute" , { position : "absolute" , } ) , ] ) , ] ) ; t . deepEqual ( await evaluate ( R83 , { document } ) , [ failed ( R83 , target , { 1 : Outcomes . ClipsText ( None , Option . of ( clipping ) ) , } ) , ] ) ; } ) ; test ( "evaluate() is inapplicable to a text node that is not visible" , async ( t ) => { const document = h . document ( [ < body > < div hidden > Hello world < /div> < /body>, ] , [ h . sheet ( [ h . rule . style ( "div" , { overflow : "hidden" , whiteSpace : "nowrap" , } ) , ] ) , ] ) ; t . deepEqual ( await evaluate ( R83 , { document } ) , [ inapplicable ( R83 ) ] ) ; } ) ; test ( `evaluate() is inapplicable to a text node that is excluded from the
      accessibility tree using the \`aria-hidden\` attribute` , async ( t ) => { const document = h . document ( [ < body > < div aria - hidden = "true" > Hello world < /div> < /body>, ] , [ h . sheet ( [ h . rule . style ( "div" , { overflow : "hidden" , whiteSpace : "nowrap" , } ) , ] ) , ] ) ; t . deepEqual ( await evaluate ( R83 , { document } ) , [ inapplicable ( R83 ) ] ) ; } ) ; test ( `evaluate() passes a text node with a fixed absolute height set
      via the style attribute` , async ( t ) => { const target = h . text ( "Hello world" ) ; const document = h . document ( [ < body > < div style = { { height : "20px" , } } > { target } < /div> < /body>, ] , [ h . sheet ( [ h . rule . style ( "div" , { overflow : "hidden" , } ) , ] ) , ] ) ; t . deepEqual ( await evaluate ( R83 , { document } ) , [ passed ( R83 , target , { 1 : Outcomes . WrapsText } ) , ] ) ; } ) ; test ( `evaluate() passes a text node with a fixed relative height` , async ( t ) => { const target = h . text ( "Hello world" ) ; const document = h . document ( [ < body > < div > { target } < /div> < /body>, ] , [ h . sheet ( [ h . rule . style ( "div" , { overflow : "hidden" , height : "1.2em" , } ) , ] ) , ] ) ; t . deepEqual ( await evaluate ( R83 , { document } ) , [ passed ( R83 , target , { 1 : Outcomes . WrapsText } ) , ] ) ; } ) ; test ( `evaluate() passes a text node that resets the white-space
      property of its clipping ancestor` , async ( t ) => { { const target = h . text ( "Hello world" ) ; const document = h . document ( [ < body > < p > < span > { target } < /span> < /p> < /body>, ] , [ h . sheet ( [ h . rule . style ( "p" , { overflowX : "hidden" , whiteSpace : "nowrap" , } ) , h . rule . style ( "span" , { whiteSpace : "normal" , } ) , ] ) , ] ) ; t . deepEqual ( await evaluate ( R83 , { document } ) , [ passed ( R83 , target , { 1 : Outcomes . WrapsText } ) , ] ) ; } } ) ; test ( `evaluate() is inapplicable to a text node that would clip if it was non-
      empty` , async ( t ) => { const document = h . document ( [ < body > < div > < /div> < /body>, ] , [ h . sheet ( [ h . rule . style ( "div" , { overflow : "hidden" , whiteSpace : "nowrap" , } ) , ] ) , ] ) ; t . deepEqual ( await evaluate ( R83 , { document } ) , [ inapplicable ( R83 ) ] ) ; } ) ; test ( `evaluate() passes a text node with a scrolling ancestor inside a clipping one` , async ( t ) => { const target = h . text ( "Hello World" ) ; const document = h . document ( [ < body > < div class = "clipping" > < div class = "scrolling" > { target } < /div> < /div> < /body>, ] , [ h . sheet ( [ h . rule . style ( ".clipping" , { overflowY : "hidden" , height : "10px" } ) , h . rule . style ( ".scrolling" , { overflowY : "scroll" , height : "10px" } ) , ] ) , ] ) ; t . deepEqual ( await evaluate ( R83 , { document } ) , [ passed ( R83 , target , { 1 : Outcomes . WrapsText } ) , ] ) ; } ) ; test ( `evaluate() fails a text node that is vertically clipped but horizontally wrapped` , async ( t ) => { const target = h . text ( "Hello world" ) ; const clipping = < div > { target } < /div>; const document = h . document ( [ < body > { clipping } < /body>], [ h . sheet ( [ h . rule . style ( "div" , { overflow : "hidden" , height : "20px" , whiteSpace : "normal" , } ) , ] ) , ] ) ; t . deepEqual ( await evaluate ( R83 , { document } ) , [ failed ( R83 , target , { 1 : Outcomes . ClipsText ( None , Option . of ( clipping ) ) , } ) , ] ) ; } ) ; test ( `evaluates() checking wrapping of text nodes individually` , async ( t ) => { const target1 = h . text ( "I have non-wrapped text and I clip" ) ; const target2 = h . text ( "I do not clip because I wrap" ) ; const div1 = < div class = "nowrap" > { target1 } < /div>; const div2 = < div class = "wrap" > { target2 } < /div>; const clipping = ( < div class = "possibly-clipping" > { div1 } { div2 } < /div>); const document = h . document ( [ < body > { clipping } < /body>], [ h . sheet ( [ h . rule . style ( ".possibly-clipping" , { overflowX : "hidden" } ) , h . rule . style ( ".nowrap" , { whiteSpace : "nowrap" , textOverflow : "clip" , } ) , h . rule . style ( ".wrap" , { whiteSpace : "normal" } ) , ] ) , ] ) ; t . deepEqual ( await evaluate ( R83 , { document } ) , [ failed ( R83 , target1 , { 1 : Outcomes . ClipsText ( Option . of ( clipping ) , None ) } ) , passed ( R83 , target2 , { 1 : Outcomes . WrapsText } ) , ] ) ; } ) ; test ( `evaluate() passes texts in a wrapping flex container` , async ( t ) => { const target1 = h . text ( "Hello" ) ; const target2 = h . text ( "World" ) ; const document = h . document ( [ < body > < div class = "clip" > < div class = "flex" > < span > { target1 } < /span> <span>{target2}</span > < /div> < /div> < /body>, ] , [ h . sheet ( [ h . rule . style ( "span" , { whiteSpace : "nowrap" } ) , h . rule . style ( ".clip" , { overflowX : "hidden" } ) , h . rule . style ( ".flex" , { display : "flex" , flexWrap : "wrap" } ) , ] ) , ] ) ; t . deepEqual ( await evaluate ( R83 , { document } ) , [ passed ( R83 , target1 , { 1 : Outcomes . WrapsText } ) , passed ( R83 , target2 , { 1 : Outcomes . WrapsText } ) , ] ) ; } ) ; test ( `evaluate() ignores overflow on \`<body\`> element` , async ( t ) => { const document = h . document ( [ < body > < div > Hello World < /div> < /body>, ] , [ h . sheet ( [ h . rule . style ( "body" , { overflow : "hidden" } ) , h . rule . style ( "div" , { whiteSpace : "nowrap" } ) , ] ) , ] ) ; t . deepEqual ( await evaluate ( R83 , { document } ) , [ inapplicable ( R83 ) ] ) ; } ) ; test ( `evaluate() fails a relatively positioned node clipped by a static parent` , async ( t ) => { const target = h . text ( "Hello World" ) ; const clipping = ( < div class = "clipping" > < span class = "relative" > { target } < /span> < /div>); const document = h . document ( [ < body > < div class = "relative" > { clipping } < /div> < /body>, ] , [ h . sheet ( [ h . rule . style ( ".relative" , { position : "relative" , left : "100px" } ) , h . rule . style ( ".clipping" , { height : "5px" , overflowY : "hidden" } ) , ] ) , ] ) ; t . deepEqual ( await evaluate ( R83 , { document } ) , [ failed ( R83 , target , { 1 : Outcomes . ClipsText ( None , Option . of ( clipping ) ) } ) , ] ) ; } ) ; test ( `evaluate() passes a relatively positioned node with a handling static parent` , async ( t ) => { const target = h . text ( "Hello World" ) ; const document = h . document ( [ < body > < div class = "relative clipping" > < div class = "handle" > < span class = "relative content" > { target } < /span> < /div> < /div> < /body>, ] , [ h . sheet ( [ h . rule . style ( ".relative" , { position : "relative" } ) , h . rule . style ( ".clipping" , { overflowX : "hidden" } ) , h . rule . style ( ".handle" , { overflowX : "scroll" } ) , h . rule . style ( ".content" , { whiteSpace : "nowrap" } ) , ] ) , ] ) ; t . deepEqual ( await evaluate ( R83 , { document } ) , [ passed ( R83 , target , { 1 : Outcomes . WrapsText } ) , ] ) ; } ) ; test ( `evaluates() passes a clipping element with font-relative height` , async ( t ) => { const target = h . text ( "Hello World" ) ; const document = h . document ( [ < body > < div class = "growing" > { target } < /div> < /body>, ] , [ h . sheet ( [ h . rule . style ( ".growing" , { overflowY : "hidden" , minHeight : "1.5em" , height : "10px" , } ) , ] ) , ] ) ; t . deepEqual ( await evaluate ( R83 , { document } ) , [ passed ( R83 , target , { 1 : Outcomes . WrapsText } ) , ] ) ; } ) ; test ( `evaluates() passes a clipping element with font-relative width` , async ( t ) => { const target = h . text ( "Hello World" ) ; const document = h . document ( [ < body > < div class = "growing" > { target } < /div> < /body>, ] , [ h . sheet ( [ h . rule . style ( ".growing" , { overflowX : "hidden" , minWidth : "15em" , width : "10px" , whiteSpace : "nowrap" , } ) , ] ) , ] ) ; t . deepEqual ( await evaluate ( R83 , { document } ) , [ passed ( R83 , target , { 1 : Outcomes . WrapsText } ) , ] ) ; } ) ;