tor-browser

The Tor Browser
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test_computed_style.html (22393B)


      1 <!DOCTYPE HTML>
      2 <html>
      3 <head>
      4  <title>Test for miscellaneous computed style issues</title>
      5  <script src="/tests/SimpleTest/SimpleTest.js"></script>
      6  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
      7  <style id="style"></style>
      8 </head>
      9 <body>
     10 <a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=">Mozilla Bug </a>
     11 <p id="display"></p>
     12 <div id="content" style="display: none">
     13 </div>
     14 <pre id="test">
     15 <script type="application/javascript">
     16 
     17 /** Test for miscellaneous computed style issues */
     18 
     19 var frame_container = document.getElementById("display");
     20 var noframe_container = document.getElementById("content");
     21 
     22 (function test_bug_595650() {
     23  // Test handling of horizontal and vertical percentages for border-radius.
     24  var p = document.createElement("p");
     25  p.setAttribute("style", "width: 256px; height: 128px");
     26  p.style.borderTopLeftRadius = "1.5625%"; /* 1/64 == 4px 2px */
     27  p.style.borderTopRightRadius = "5px";
     28  p.style.borderBottomRightRadius = "5px 3px";
     29  p.style.borderBottomLeftRadius = "1.5625% 3.125%" /* 1/64 1/32 == 4px 4px */
     30  var cs = getComputedStyle(p, "");
     31 
     32  frame_container.appendChild(p);
     33  is(cs.borderTopLeftRadius, "1.5625%",
     34     "computed value of % border-radius, with frame");
     35  is(cs.borderTopRightRadius, "5px",
     36     "computed value of px border-radius, with frame");
     37  is(cs.borderBottomRightRadius, "5px 3px",
     38     "computed value of px border-radius, with frame");
     39  is(cs.borderBottomLeftRadius, "1.5625% 3.125%",
     40     "computed value of % border-radius, with frame");
     41 
     42  noframe_container.appendChild(p);
     43  is(cs.borderTopLeftRadius, "1.5625%",
     44     "computed value of % border-radius, without frame");
     45  is(cs.borderTopRightRadius, "5px",
     46     "computed value of px border-radius, without frame");
     47  is(cs.borderBottomRightRadius, "5px 3px",
     48     "computed value of px border-radius, without frame");
     49  is(cs.borderBottomLeftRadius, "1.5625% 3.125%",
     50     "computed value of % border-radius, without frame");
     51 
     52  p.remove();
     53 })();
     54 
     55 (function test_bug_1292447() {
     56  // Was for bug 595651 which tests that clamping of border-radius
     57  // is reflected in computed style.
     58  // For compatibility issue, resolved value is computed value now.
     59  var p = document.createElement("p");
     60  p.setAttribute("style", "width: 190px; height: 90px; border: 5px solid;");
     61  p.style.borderRadius = "1000px";
     62  var cs = getComputedStyle(p, "");
     63 
     64  frame_container.appendChild(p);
     65  is(cs.borderTopLeftRadius, "1000px",
     66     "computed value of clamped border radius (top left)");
     67  is(cs.borderTopRightRadius, "1000px",
     68     "computed value of clamped border radius (top right)");
     69  is(cs.borderBottomRightRadius, "1000px",
     70     "computed value of clamped border radius (bottom right)");
     71  is(cs.borderBottomLeftRadius, "1000px",
     72     "computed value of clamped border radius (bottom left)");
     73 
     74  p.style.overflowY = "scroll";
     75  is(cs.borderTopLeftRadius, "1000px",
     76     "computed value of clamped border radius (top left, overflow-y)");
     77  // Fennec doesn't have scrollbars for overflow:scroll content
     78  if (p.clientWidth == p.offsetWidth - 10) {
     79    is(cs.borderTopRightRadius, "1000px",
     80       "computed value of border radius (top right, overflow-y)");
     81    is(cs.borderBottomRightRadius, "1000px",
     82       "computed value of border radius (bottom right, overflow-y)");
     83  } else {
     84    is(cs.borderTopRightRadius, "1000px",
     85       "computed value of clamped border radius (top right, overflow-y)");
     86    is(cs.borderBottomRightRadius, "1000px",
     87       "computed value of clamped border radius (bottom right, overflow-y)");
     88  }
     89  is(cs.borderBottomLeftRadius, "1000px",
     90     "computed value of clamped border radius (bottom left, overflow-y)");
     91 
     92  p.style.overflowY = "hidden";
     93  p.style.overflowX = "scroll";
     94  is(cs.borderTopLeftRadius, "1000px",
     95     "computed value of clamped border radius (top left, overflow-x)");
     96  is(cs.borderTopRightRadius, "1000px",
     97     "computed value of clamped border radius (top right, overflow-x)");
     98  // Fennec doesn't have scrollbars for overflow:scroll content
     99  if (p.clientHeight == p.offsetHeight - 10) {
    100    is(cs.borderBottomRightRadius, "1000px",
    101       "computed value of border radius (bottom right, overflow-x)");
    102    is(cs.borderBottomLeftRadius, "1000px",
    103       "computed value of  border radius (bottom left, overflow-x)");
    104  } else {
    105    is(cs.borderBottomRightRadius, "1000px",
    106       "computed value of clamped border radius (bottom right, overflow-x)");
    107    is(cs.borderBottomLeftRadius, "1000px",
    108       "computed value of clamped border radius (bottom left, overflow-x)");
    109  }
    110 
    111  p.remove();
    112 })();
    113 
    114 (function test_bug_647885_1() {
    115  // Test that various background-position styles round-trip correctly
    116  var backgroundPositions = [
    117    [ "0 0", "0px 0px", "unitless 0" ],
    118    [ "0px 0px", "0px 0px", "0 with units" ],
    119    [ "0% 0%", "0% 0%", "0%" ],
    120    [ "calc(0px) 0", "0px 0px", "0 calc with units x" ],
    121    [ "0 calc(0px)", "0px 0px", "0 calc with units y" ],
    122    [ "calc(3px - 3px) 0", "0px 0px", "computed 0 calc with units x" ],
    123    [ "0 calc(3px - 3px)", "0px 0px", "computed 0 calc with units y" ],
    124    [ "calc(0%) 0", "0% 0px", "0% calc x"],
    125    [ "0 calc(0%)", "0px 0%", "0% calc y"],
    126    [ "calc(3px + 2% - 2%) 0", "calc(0% + 3px) 0px",
    127      "computed 0% calc x"],
    128    [ "0 calc(3px + 2% - 2%)", "0px calc(0% + 3px)",
    129      "computed 0% calc y"],
    130    [ "calc(3px - 5px) calc(6px - 7px)", "-2px -1px",
    131      "negative pixel width"],
    132    [ "", "0% 0%", "initial value" ],
    133  ];
    134 
    135  var p = document.createElement("p");
    136  var cs = getComputedStyle(p, "");
    137  frame_container.appendChild(p);
    138 
    139  for (var i = 0; i < backgroundPositions.length; ++i) {
    140    var test = backgroundPositions[i];
    141    p.style.backgroundPosition = test[0];
    142    is(cs.backgroundPosition, test[1], "computed value of " + test[2] + " background-position");
    143  }
    144 
    145  p.remove();
    146 })();
    147 
    148 (function test_bug_647885_2() {
    149  // Test that various background-size styles round-trip correctly
    150  var backgroundSizes = [
    151    [ "0 0", "0px 0px", "unitless 0" ],
    152    [ "0px 0px", "0px 0px", "0 with units" ],
    153    [ "0% 0%", "0% 0%", "0%" ],
    154    [ "calc(0px) 0", "0px 0px", "0 calc with units horizontal" ],
    155    [ "0 calc(0px)", "0px 0px", "0 calc with units vertical" ],
    156    [ "calc(3px - 3px) 0", "0px 0px", "computed 0 calc with units horizontal" ],
    157    [ "0 calc(3px - 3px)", "0px 0px", "computed 0 calc with units vertical" ],
    158    [ "calc(0%) 0", "0% 0px", "0% calc horizontal"],
    159    [ "0 calc(0%)", "0px 0%", "0% calc vertical"],
    160    [ "calc(3px + 2% - 2%) 0", "calc(0% + 3px) 0px",
    161                      "computed 0% calc horizontal"],
    162    [ "0 calc(3px + 2% - 2%)", "0px calc(0% + 3px)",
    163                      "computed 0% calc vertical"],
    164    [ "calc(3px - 5px) calc(6px - 9px)", "0px 0px", "negative pixel width" ],
    165    [ "", "auto", "initial value" ],
    166  ];
    167 
    168  var p = document.createElement("p");
    169  var cs = getComputedStyle(p, "");
    170  frame_container.appendChild(p);
    171 
    172  for (var i = 0; i < backgroundSizes.length; ++i) {
    173    var test = backgroundSizes[i];
    174    p.style.backgroundSize = test[0];
    175    is(cs.backgroundSize, test[1], "computed value of " + test[2] + " background-size");
    176  }
    177 
    178  p.remove();
    179 })();
    180 
    181 (function test_bug_716628() {
    182  // Test that various gradient styles round-trip correctly
    183  var backgroundImages = [
    184    [ "radial-gradient(at 10% bottom, #ffffff, black)",
    185      "radial-gradient(at 10% 100%, rgb(255, 255, 255), rgb(0, 0, 0))",
    186      "radial gradient 1" ],
    187    [ "radial-gradient(#ffffff, black)",
    188      "radial-gradient(rgb(255, 255, 255), rgb(0, 0, 0))",
    189      "radial gradient 2" ],
    190    [ "radial-gradient(farthest-corner, #ffffff, black)",
    191      "radial-gradient(rgb(255, 255, 255), rgb(0, 0, 0))",
    192      "radial gradient 3" ],
    193    [ "linear-gradient(red, blue)",
    194      "linear-gradient(rgb(255, 0, 0), rgb(0, 0, 255))",
    195      "linear gradient 1" ],
    196    [ "linear-gradient(to bottom, red, blue)",
    197      "linear-gradient(rgb(255, 0, 0), rgb(0, 0, 255))",
    198      "linear gradient 2" ],
    199    [ "linear-gradient(to right, red, blue)",
    200      "linear-gradient(to right, rgb(255, 0, 0), rgb(0, 0, 255))",
    201      "linear gradient 3" ],
    202    [ "linear-gradient(-45deg, red, blue)",
    203      "linear-gradient(-45deg, rgb(255, 0, 0), rgb(0, 0, 255))",
    204      "linear gradient with angle in degrees" ],
    205    [ "linear-gradient(-0.125turn, red, blue)",
    206      "linear-gradient(-45deg, rgb(255, 0, 0), rgb(0, 0, 255))",
    207      "linear gradient with angle in turns" ],
    208  ];
    209 
    210  var p = document.createElement("p");
    211  var cs = getComputedStyle(p, "");
    212  frame_container.appendChild(p);
    213 
    214  for (var i = 0; i < backgroundImages.length; ++i) {
    215    var test = backgroundImages[i];
    216    p.style.backgroundImage = test[0];
    217    is(cs.backgroundImage, test[1], "computed value of " + test[2] + " background-image");
    218  }
    219 
    220  p.remove();
    221 })();
    222 
    223 (function test_bug_1363349_linear() {
    224  const specPrefix = "-webkit-gradient(linear, ";
    225  const specSuffix = ", from(blue), to(lime))";
    226 
    227  const expPrefix = "linear-gradient(";
    228  const expSuffix = "rgb(0, 0, 255) 0%, rgb(0, 255, 0) 100%)";
    229 
    230  let testcases = [
    231    [ "calc(5 + 5) top, calc(10 + 10) top",
    232      "to right",
    233      "calc(num+num) in position"
    234    ],
    235    [ "left calc(25% - 10%), right calc(75% + 10%)",
    236      "to right bottom",
    237      "calc(pct+pct) in position "
    238    ]
    239  ];
    240 
    241  let p = document.createElement("p");
    242  let cs = getComputedStyle(p, "");
    243  frame_container.appendChild(p);
    244 
    245  for (let test of testcases) {
    246    let specifiedStyle = specPrefix + test[0] + specSuffix;
    247    let expectedStyle = expPrefix;
    248    if (test[1] != "") {
    249      expectedStyle += test[1] + ", ";
    250    }
    251    expectedStyle += expSuffix;
    252 
    253    p.style.backgroundImage = specifiedStyle;
    254    is(cs.backgroundImage, expectedStyle,
    255       "computed value of -webkit-gradient expression (" + test[2] + ")");
    256    p.style.backgroundImage = "";
    257  }
    258 
    259  p.remove();
    260 })();
    261 
    262 (function test_bug_1363349_radial() {
    263  const specPrefix = "-webkit-gradient(radial, ";
    264  const specSuffix = ", from(blue), to(lime))";
    265 
    266  const expPrefix = "radial-gradient(";
    267  const expSuffix = "rgb(0, 0, 255) 0%, rgb(0, 255, 0) 100%)";
    268 
    269  let testcases = [
    270    [ "1 2, 0, 3 4, calc(1 + 5)",
    271      "6px at 3px 4px",
    272      "calc(num+num) in radius"
    273    ],
    274    [ "1 2, calc(1 + 2), 3 4, calc(1 + 5)",
    275      "6px at 3px 4px",
    276      "calc(num+num) in radius"
    277    ],
    278    [ "calc(0 + 1) calc(1 + 1), calc(1 + 2), calc(1 + 2) 4, calc(1 + 5)",
    279      "6px at 3px 4px",
    280      "calc(num+num) in position and radius"
    281    ]
    282  ];
    283 
    284  let p = document.createElement("p");
    285  let cs = getComputedStyle(p, "");
    286  frame_container.appendChild(p);
    287 
    288  for (let test of testcases) {
    289    let specifiedStyle = specPrefix + test[0] + specSuffix;
    290    let expectedStyle = expPrefix;
    291    if (test[1] != "") {
    292      expectedStyle += test[1] + ", ";
    293    }
    294    expectedStyle += expSuffix;
    295 
    296    p.style.backgroundImage = specifiedStyle;
    297    is(cs.backgroundImage, expectedStyle,
    298       "computed value of -webkit-gradient expression (" + test[2] + ")");
    299    p.style.backgroundImage = "";
    300  }
    301 
    302  p.remove();
    303 })();
    304 
    305 (function test_bug_1241623() {
    306  // Test that -webkit-gradient() styles are approximated the way we expect:
    307 
    308  // For compactness, we'll pull out the common prefix & suffix from all of the
    309  // specified & expected styles, and construct the full expression on the fly:
    310  const specPrefix = "-webkit-gradient(linear, ";
    311  const specSuffix = ", from(blue), to(lime))";
    312 
    313  const expPrefix = "linear-gradient(";
    314  const expSuffix = "rgb(0, 0, 255) 0%, rgb(0, 255, 0) 100%)";
    315 
    316  let testcases = [
    317    //
    318    // [ legacyDirection,
    319    //   modernDirection, // (empty string means use default direction)
    320    //   descriptionOfTestcase ],
    321 
    322    // If start & end are at same point, we just produce a gradient with
    323    // the default direction.
    324    [ "left top, left top",
    325      "",
    326      "start & end point are the same" ],
    327    [ "40 40, 40 40",
    328      "",
    329      "start & end point are the same" ],
    330    [ "center center, center center",
    331      "",
    332      "start & end point are the same" ],
    333 
    334    // If start & end use different units in the same coordinate, we generally
    335    // can't extract a direction (because we can't know whether arbitrary
    336    // percent values are larger or smaller than arbitrary pixel values). So
    337    // we produce a gradient in the default direction.
    338    [ "left top, 30 100%",  // (Note: keywords like "left" are really % vals.)
    339      "",
    340      "start & end point have different units" ],
    341    [ "100% 15, right bottom",
    342      "",
    343      "start & end point have different units" ],
    344    [ "0 0%, 20 20",
    345      "",
    346      "start & end point have different units" ],
    347    [ "0 0, 100% 20",
    348      "",
    349      "start & end point have different units" ],
    350    [ "5% 30, 20 50%",
    351      "",
    352      "start & end point have different units" ],
    353    [ "5% 6%, 20 30",
    354      "",
    355      "start & end point have different units" ],
    356 
    357    // Gradient starting/ending somewhere arbitrary in middle:
    358    [ "center center, right top",
    359      "to right top",
    360      "from center to right top" ],
    361    [ "left top, center center",
    362      "to right bottom",
    363      "from left top to center" ],
    364    [ "10 15, 5 20",
    365      "to left bottom",
    366      "from arbitrary point to another point in lower-left direction" ],
    367 
    368    // Gradient using negative coordinates:
    369    [ "-10 -15, 0 0",
    370      "to right bottom",
    371      "from negative point to origin" ],
    372    [ "-100 10, 20 30",
    373      "to right bottom",
    374      "from negative-x point to another point in lower-right direction" ],
    375    [ "10 -100, 5 10",
    376      "to left bottom",
    377      "from negative-y point to another point in lower-left direction" ],
    378 
    379    // Diagonal gradient between sides/corners:
    380    [ "center top, left center",
    381      "to left bottom",
    382      "left/bottom-wards, using edge keywords" ],
    383    [ "left center, center top",
    384      "to right top",
    385      "top/right-wards, using edge keywords" ],
    386    [ "right center, center top",
    387      "to left top",
    388      "top/left-wards, using edge keywords" ],
    389    [ "right top, center bottom",
    390      "to left bottom",
    391      "bottom/left-wards, using edge keywords" ],
    392    [ "left top, right bottom",
    393      "to right bottom",
    394      "bottom/right-wards, using edge keywords" ],
    395    [ "left bottom, right top",
    396      "to right top",
    397      "top/right-wards, using edge keywords" ],
    398  ];
    399 
    400  let p = document.createElement("p");
    401  let cs = getComputedStyle(p, "");
    402  frame_container.appendChild(p);
    403 
    404  for (let test of testcases) {
    405    let specifiedStyle = specPrefix + test[0] + specSuffix;
    406    let expectedStyle = expPrefix;
    407    if (test[1] != "") {
    408      expectedStyle += test[1] + ", ";
    409    }
    410    expectedStyle += expSuffix;
    411 
    412    p.style.backgroundImage = specifiedStyle;
    413    is(cs.backgroundImage, expectedStyle,
    414       "computed value of -webkit-gradient expression (" + test[2] + ")");
    415    p.style.backgroundImage = "";
    416  }
    417 
    418  p.remove();
    419 })();
    420 
    421 (function test_bug_1293164() {
    422  var p = document.createElement("p");
    423  var cs = getComputedStyle(p, "");
    424  frame_container.appendChild(p);
    425 
    426  var docPath = document.URL.substring(0, document.URL.lastIndexOf("/") + 1);
    427 
    428  var localURL = "url(\"#foo\")";
    429  var nonLocalURL = "url(\"foo.svg#foo\")";
    430  var resolvedNonLocalURL = "url(\"" + docPath + "foo.svg#foo\")";
    431 
    432  var testStyles = [
    433    "maskImage",
    434    "backgroundImage",
    435    "markerStart",
    436    "markerMid",
    437    "markerEnd",
    438    "clipPath",
    439    "filter",
    440    "fill",
    441    "stroke",
    442  ];
    443 
    444  for (var prop of testStyles) {
    445    p.style[prop] = localURL;
    446    is(cs[prop], localURL, "computed value of " + prop);
    447    p.style[prop] = nonLocalURL;
    448    is(cs[prop], resolvedNonLocalURL, "computed value of " + prop);
    449  }
    450 
    451  p.remove();
    452 })();
    453 
    454 (function test_bug_1347164() {
    455  // Test that computed color values are serialized as "rgb()"
    456  // IFF they're fully-opaque (and otherwise as "rgba()").
    457  var color = [
    458    ["rgba(0, 0, 0, 1)", "rgb(0, 0, 0)"],
    459    ["rgba(0, 0, 0, 0.5)", "rgba(0, 0, 0, 0.5)"],
    460    ["hsla(0, 0%, 0%, 1)", "rgb(0, 0, 0)"],
    461    ["hsla(0, 0%, 0%, 0.5)", "rgba(0, 0, 0, 0.5)"],
    462  ];
    463 
    464  var css_color_4 = [
    465    ["rgba(0 0 0 / 1)", "rgb(0, 0, 0)"],
    466    ["rgba(0 0 0 / 0.1)", "rgba(0, 0, 0, 0.1)"],
    467    ["rgb(0 0 0 / 1)", "rgb(0, 0, 0)"],
    468    ["rgb(0 0 0 / 0.2)", "rgba(0, 0, 0, 0.2)"],
    469    ["hsla(0 0% 0% / 1)", "rgb(0, 0, 0)"],
    470    ["hsla(0deg 0% 0% / 0.3)", "rgba(0, 0, 0, 0.3)"],
    471    ["hsl(0 0% 0% / 1)", "rgb(0, 0, 0)"],
    472    ["hsl(0 0% 0% / 0.4)", "rgba(0, 0, 0, 0.4)"],
    473  ];
    474 
    475  var p = document.createElement("p");
    476  var cs = getComputedStyle(p, "");
    477  frame_container.appendChild(p);
    478 
    479  for (var i = 0; i < color.length; ++i) {
    480    var test = color[i];
    481    p.style.color = test[0];
    482    is(cs.color, test[1], "computed value of " + test[0]);
    483  }
    484  for (var i = 0; i < css_color_4.length; ++i) {
    485    var test = css_color_4[i];
    486    p.style.color = test[0];
    487    is(cs.color, test[1], "css-color-4 computed value of " + test[0]);
    488  }
    489 
    490  p.remove();
    491 })();
    492 
    493 (function test_bug_1357117() {
    494  // Test that vendor-prefixed gradient styles round-trip with the same prefix,
    495  // or with no prefix.
    496  var backgroundImages = [
    497    // [ specified style,
    498    //   expected computed style,
    499    //   descriptionOfTestcase ],
    500    // Linear gradient with legacy-gradient-line (needs prefixed syntax):
    501    [ "-webkit-linear-gradient(10deg, red, blue)",
    502      "-webkit-linear-gradient(10deg, rgb(255, 0, 0), rgb(0, 0, 255))",
    503      "-webkit-linear-gradient with angled legacy-gradient-line" ],
    504 
    505    // Linear gradient with box corner (needs prefixed syntax):
    506    [ "-webkit-linear-gradient(top left, red, blue)",
    507      "-webkit-linear-gradient(left top, rgb(255, 0, 0), rgb(0, 0, 255))",
    508      "-webkit-linear-gradient with box corner" ],
    509 
    510    // Linear gradient with default keyword (should be serialized without keyword):
    511    [ "-webkit-linear-gradient(top, red, blue)",
    512      "-webkit-linear-gradient(rgb(255, 0, 0), rgb(0, 0, 255))",
    513      "-webkit-linear-gradient with legacy default direction keyword" ],
    514 
    515    // Radial gradients (should be serialized using modern unprefixed style):
    516    [ "-webkit-radial-gradient(contain, red, blue)",
    517      "-webkit-radial-gradient(closest-side, rgb(255, 0, 0), rgb(0, 0, 255))",
    518      "-webkit-radial-gradient with legacy 'contain' keyword" ],
    519  ];
    520 
    521  var p = document.createElement("p");
    522  var cs = getComputedStyle(p, "");
    523  frame_container.appendChild(p);
    524 
    525  for (var i = 0; i < backgroundImages.length; ++i) {
    526    var test = backgroundImages[i];
    527    p.style.backgroundImage = test[0];
    528    is(cs.backgroundImage, test[1],
    529       "computed value of prefixed gradient expression (" + test[2] + ")");
    530  }
    531 
    532  p.remove();
    533 })();
    534 
    535 (function test_bug_1367028() {
    536  const borderImageSubprops = [
    537    "border-image-slice",
    538    "border-image-outset",
    539    "border-image-width"
    540  ];
    541  const rectValues = [
    542    {
    543      values: ["5 5 5 5", "5 5 5", "5 5", "5"],
    544      expected: "5",
    545      desc: "identical four sides",
    546    },
    547    {
    548      values: ["5 6 5 6", "5 6 5", "5 6"],
    549      expected: "5 6",
    550      desc: "identical values on each axis",
    551    },
    552    {
    553      values: ["5 6 7 6", "5 6 7"],
    554      expected: "5 6 7",
    555      desc: "identical values on left and right",
    556    },
    557    {
    558      values: ["5 6 5 7"],
    559      desc: "identical values on top and bottom",
    560    },
    561    {
    562      values: ["5 5 6 6", "5 6 6 5"],
    563      desc: "identical values on unrelated sides",
    564    },
    565    {
    566      values: ["5 6 7 8"],
    567      desc: "different values on all sides",
    568    },
    569  ];
    570 
    571  let frameContainer = document.getElementById("display");
    572  let p = document.createElement("p");
    573  frameContainer.appendChild(p);
    574  let cs = getComputedStyle(p);
    575 
    576  for (let prop of borderImageSubprops) {
    577    for (let {values, expected, desc} of rectValues) {
    578      for (let value of values) {
    579        p.style.setProperty(prop, value);
    580        is(cs.getPropertyValue(prop),
    581           expected ? expected : value, `${desc} for ${prop}`);
    582        p.style.removeProperty(prop);
    583      }
    584    }
    585  }
    586 
    587  p.remove();
    588 })();
    589 
    590 (function test_bug_1378368() {
    591  // Test that negative results of calc()s in basic-shapes (e.g. polygon()) should
    592  // not be clamped to 0px.
    593  var clipPaths = [
    594    // [ specified style,
    595    //   expected computed style,
    596    //   descriptionOfTestcase ],
    597    // polygon:
    598    [ "polygon(calc(10px - 20px) 0px, 100px 100px, 0px 100px)",
    599      "polygon(-10px 0px, 100px 100px, 0px 100px)",
    600      "polygon with negative calc() coordinates" ],
    601    // inset:
    602    [ "inset(calc(10px - 20px))",
    603      "inset(-10px)",
    604      "inset with negative calc() coordinates" ],
    605  ];
    606 
    607  var p = document.createElement("p");
    608  var cs = getComputedStyle(p, "");
    609  frame_container.appendChild(p);
    610 
    611  for (let test of clipPaths) {
    612    p.style.clipPath = test[0];
    613    is(cs.clipPath, test[1],
    614       "computed value of clip-path for basic-shapes (" + test[2] + ")");
    615  }
    616 
    617  p.remove();
    618 })();
    619 
    620 (function test_bug_1418433() {
    621  // Test that the style data read through getComputedStyle is always up-to-date,
    622  // even for non-displayed elements.
    623 
    624  var d = document.createElement("div");
    625  d.setAttribute("id", "nonDisplayedDiv");
    626  var cs = getComputedStyle(d, null);
    627  noframe_container.appendChild(d);
    628 
    629  // Test for stylesheet change, i.e., added/changed/removed
    630  var style = document.getElementById("style");
    631  is(cs.height, "auto",
    632     "computed value of display none element (before testing)");
    633  style.textContent = "#nonDisplayedDiv { height: 100px; }";
    634  is(cs.height, "100px",
    635     "computed value of display none element (sheet added)");
    636  style.textContent = "#nonDisplayedDiv { height: 10px; }";
    637  is(cs.height, "10px",
    638     "computed value of display none element (sheet changed)");
    639  style.textContent = "";
    640  is(cs.height, "auto",
    641     "computed value of display none element (sheet removed)");
    642 
    643  // Test for rule change, i.e., added/changed/removed
    644  var styleSheet = style.sheet;
    645  is(cs.width, "auto",
    646     "computed value of display none element (before testing)");
    647  styleSheet.insertRule("#nonDisplayedDiv { width: 100px; }", 0);
    648  is(cs.width, "100px",
    649     "computed value of display none element (rule added)");
    650  styleSheet.deleteRule(0);
    651  styleSheet.insertRule("#nonDisplayedDiv { width: 10px; }", 0);
    652  is(cs.width, "10px",
    653     "computed value of display none element (rule changed)");
    654  styleSheet.deleteRule(0);
    655  is(cs.width, "auto",
    656     "computed value of display none element (rule removed)");
    657 
    658  d.remove();
    659 })();
    660 
    661 </script>
    662 </pre>
    663 </body>
    664 </html>