[CSS Grid Layout] Support calc() breadth track size

LayoutTests/fast/css-grid-layout/resources/grid-columns-rows-get-set-multiple.js

 description('Test that setting and getting grid-definition-columns and grid-definition-rows works as expected');
 
 debug("Test getting |grid-definition-columns| and |grid-definition-rows| set through CSS");
 testGridDefinitionsValues(document.getElementById("gridWithFixedElement"), "7px 11px", "17px 2px");
 testGridDefinitionsValues(document.getElementById("gridWithPercentElement"), "53% 99%", "27% 52%", "424px 792px", "162px 312px");
 testGridDefinitionsValues(document.getElementById("gridWithAutoElement"), "auto auto", "auto auto", "0px 17px", "0px 3px");
 testGridDefinitionsValues(document.getElementById("gridWithEMElement"), "100px 120px", "150px 170px");
 testGridDefinitionsValues(document.getElementById("gridWithThreeItems"), "15px auto 100px", "120px 18px auto", "15px 0px 100px", "120px 18px 0px");
 testGridDefinitionsValues(document.getElementById("gridWithPercentAndViewportPercent"), "50% 120px", "35% 168px", "400px 120px", "210px 168px");
 testGridDefinitionsValues(document.getElementById("gridWithFitContentAndFitAvailable"), "none", "none");
 testGridDefinitionsValues(document.getElementById("gridWithMinMaxContent"), "min-content max-content", "max-content min-content", "0px 0px", "0px 0px");
 testGridDefinitionsValues(document.getElementById("gridWithMinMaxContentWithChildrenElement"), "min-content max-content", "max-content min-content", "7px 17px", "11px 3px");
 testGridDefinitionsValues(document.getElementById("gridWithMinMaxAndFixed"), "minmax(45px, 30%) 15px", "120px minmax(35%, 10px)", "240px 15px", "120px 210px");
 testGridDefinitionsValues(document.getElementById("gridWithMinMaxAndMinMaxContent"), "minmax(min-content, 30%) 15px", "120px minmax(35%, max-content)", "240px 15px", "120px 210px");
 testGridDefinitionsValues(document.getElementById("gridWithFractionFraction"), "1fr 2fr", "3fr 4fr", "320px 480px", "225px 375px");
 testGridDefinitionsValues(document.getElementById("gridWithFractionMinMax"), "minmax(min-content, 45px) 2fr", "3fr minmax(14px, max-content)", "45px 755px", "586px 14px");
+testGridDefinitionsValues(document.getElementById("gridWithCalcCalc"), "200px 100px", "150px 75px");
+testGridDefinitionsValues(document.getElementById("gridWithCalcAndFixed"), "50% 80px", "88px 25%", "400px 80px", "88px 150px");
+testGridDefinitionsValues(document.getElementById("gridWithCalcAndMinMax"), "190px minmax(min-content, 80px)", "minmax(25%, max-content) 53px", "190px 80px", "150px 53px");
+testGridDefinitionsValues(document.getElementById("gridWithCalcInsideMinMax"), "minmax(103px, 400px) 120px", "150px minmax(5%, 175px)", "400px 120px", "150px 175px");
 
 debug("");
 debug("Test the initial value");
 var element = document.createElement("div");
 document.body.appendChild(element);
 shouldBe("getComputedStyle(element, '').getPropertyValue('grid-definition-columns')", "'none'");
 shouldBe("getComputedStyle(element, '').getPropertyValue('grid-definition-rows')", "'none'");
 
 debug("");
 debug("Test getting and setting grid-definition-rows and grid-definition-columns through JS");
 testGridDefinitionsSetJSValues("18px 22px", "66px 70px");
 testGridDefinitionsSetJSValues("55% 80%", "40% 63%", "440px 640px", "240px 378px");
 testGridDefinitionsSetJSValues("auto auto", "auto auto", "0px 0px", "0px 0px");
 testGridDefinitionsSetJSValues("auto 16em 22px", "56% 10em auto", "0px 160px 22px", "336px 100px 0px");
 testGridDefinitionsSetJSValues("16em minmax(16px, 20px)", "minmax(10%, 15%) auto", "160px 20px", "90px 0px");
 testGridDefinitionsSetJSValues("16em 2fr", "14fr auto", "160px 640px", "600px 0px");
 testGridDefinitionsSetJSValues("50% 12vw", "5% 85vh", "400px 96px", "30px 510px");
+testGridDefinitionsSetJSValues("calc(25px) calc(2em)", "auto calc(10%)", "25px 20px", "0px 60px", "calc(25px) calc(2em)", "auto calc(10%)");
+testGridDefinitionsSetJSValues("calc(25px + 40%) minmax(min-content, calc(10% + 12px))", "minmax(calc(75% - 350px), max-content) auto", "345px 92px", "100px 0px", "calc(25px + 40%) minmax(min-content, calc(10% + 12px))", "minmax(calc(75% - 350px), max-content) auto");
 
 debug("");
 debug("Test getting wrong values set from CSS");
 var gridWithNoneAndAuto = document.getElementById("gridWithNoneAndAuto");
 shouldBe("getComputedStyle(gridWithNoneAndAuto, '').getPropertyValue('grid-definition-columns')", "'none'");
 shouldBe("getComputedStyle(gridWithNoneAndAuto, '').getPropertyValue('grid-definition-rows')", "'none'");
 
 var gridWithNoneAndFixed = document.getElementById("gridWithNoneAndFixed");
 shouldBe("getComputedStyle(gridWithNoneAndFixed, '').getPropertyValue('grid-definition-columns')", "'none'");
 shouldBe("getComputedStyle(gridWithNoneAndFixed, '').getPropertyValue('grid-definition-rows')", "'none'");
 
 debug("");
 debug("Test setting and getting wrong values from JS");
 testGridDefinitionsSetBadJSValues("none auto", "none auto");
 testGridDefinitionsSetBadJSValues("none 16em", "none 56%");
 testGridDefinitionsSetBadJSValues("none none", "none none");
 testGridDefinitionsSetBadJSValues("auto none", "auto none");
 testGridDefinitionsSetBadJSValues("auto none 16em", "auto 18em none");
 testGridDefinitionsSetBadJSValues("-webkit-fit-content -webkit-fit-content", "-webkit-fit-available -webkit-fit-available");
 testGridDefinitionsSetBadJSValues("auto minmax(16px, auto)", "minmax(auto, 15%) 10vw");
 // Negative values are not allowed.
 testGridDefinitionsSetBadJSValues("-10px minmax(16px, 32px)", "minmax(10%, 15%) -10vw");
 testGridDefinitionsSetBadJSValues("10px minmax(16px, -1vw)", "minmax(-1%, 15%) 10vw");
+// Invalid expressions with calc
+testGridDefinitionsSetBadJSValues("10px calc(16px 30px)", "calc(25px + auto) 2em");
+testGridDefinitionsSetBadJSValues("minmax(min-content, calc() 250px", "calc(2em(");
 
 function testInherit()
 {
     var parentElement = document.createElement("div");
     document.body.appendChild(parentElement);
     parentElement.style.display = "grid";
     parentElement.style.width = "800px";
     parentElement.style.height = "600px";
     parentElement.style.font = "10px Ahem"; // Used to resolve em font consistently.
     parentElement.style.gridDefinitionColumns = "50px 1fr 'last'";
@@ skipping 27 matching lines @@
     element.style.gridDefinitionColumns = "initial";
     element.style.gridDefinitionRows = "initial";
     shouldBe("getComputedStyle(element, '').getPropertyValue('grid-definition-columns')", "'none'");
     shouldBe("getComputedStyle(element, '').getPropertyValue('grid-definition-rows')", "'none'");
 
     document.body.removeChild(element);
 }
 debug("");
 debug("Test setting grid-definition-columns and grid-definition-rows to 'initial' through JS");
 testInitial();