Issue #1230 - Part 3: Update Reftests

Ref:
1434478 part 7 - Update tests and enable some previously temporarily disabled Grid reftests from bug 1427608.

10 files changed, 134 insertions, 113 deletions

diff --git a/layout/reftests/css-grid/grid-auto-min-sizing-definite-001-ref.html b/layout/reftests/css-grid/grid-auto-min-sizing-definite-001-ref.html
index 8858b4ea8..f2c76f78b 100644
--- a/layout/reftests/css-grid/grid-auto-min-sizing-definite-001-ref.html
+++ b/layout/reftests/css-grid/grid-auto-min-sizing-definite-001-ref.html
@@ -65,32 +65,49 @@ b40 {
 .h.r {
   height: 42px;
   width: 42px;
-  /* This margin-left is 20% of 98px-wide grid area */
-  margin-left: 19.6px;
-  /* This padding-bottom is 10% of 98px wide grid area */
-  /* This padding-left   is 30% of 98px wide grid area */
-  padding: 1px 3px 9.8px 29.4px;
+  /* 49px is the percentage basis, i.e. the column size */
+  margin-left: calc(0.2 * 49px);
+  padding: 1px 3px calc(0.1 * 49px) calc(0.3 * 49px);
 }
 .v.r {
   height: 42px;
   width: 42px;
-  /* This margin-left is 20% of 54px-wide grid area */
-  margin-left: 10.8px;
-  /* This padding-bottom is 10% of 54px wide grid area */
-  /* This padding-left   is 30% of 54px wide grid area */
-  padding: 1px 3px 5.4px 16.2px;
+  /* 27px is the percentage basis, i.e. the column size */
+  margin-left: calc(0.2 * 27px);
+  padding: 1px 3px calc(0.1 * 27px) calc(0.3 * 27px);
 }
 
 .r { position:relative; }
 
+.t4 { width: 49px;
+      height: calc(10px /* item min-height */ +
+                   7px  /* item margin-top */ +
+                   1px /* item padding-top */ +
+                   1px /* item border-top */ +
+                   calc(0.5 * 49px) /* item margin-bottom */ +
+                   calc(0.1 * 49px) /* item padding-bottom */);
+    }
+
 .t6 { width:46px; }
-.t8 { width:118px; height: 102.5px; }
+.t8 { width: 27px;
+      height: calc(30px /* item min-height */ +
+                   7px  /* item margin-top */ +
+                   3px /* item padding-top */ +
+                   1px /* item border-top */ +
+                   calc(0.5 * 27px) /* item margin-bottom */ +
+                   calc(0.1 * 27px) /* item padding-bottom */);
+    }
 
 xx {
   display: block;
   background: lime;
-  padding:32px 32px 16px 32px;
-  margin: 0 0 32px 16px;
+  padding: 32px 32px calc(0.2 * 32px) calc(0.4 * 32px);
+  margin: 0 0 calc(0.4 * 32px) calc(0.2 * 32px);
+}
+.t9, .t10 {
+  position: relative;
+  z-index: 1;
+  grid: calc(32px + calc(0.4 * 32px) + calc(0.2 * 32px)) 0 / 32px;
 }
   </style>
 </head>
@@ -100,15 +117,15 @@ xx {
 <div class="grid"><span class="h"><x></x></span></div>
 <div class="grid"><span class="h bb"><x></x></span></div>
 <div class="grid"><span class="h"><x></x></span><span class="h"><x></x></span></div>
-<div class="grid" style="grid:48px / 122px"><span class="h r"><b40></b40></span></div>
+<div class="grid t4"><span class="h r"><b40></b40></span></div>
 <br>
 <div class="grid"><span class="v"><x></x></span></div>
-<div class="grid t6"><span class="v bb"><x></x></span></div>
+<div class="grid"><span class="v bb"><x></x></span></div>
 <div class="grid"><span class="v"><x></x></span><span class="v"><x></x></span></div>
 <div class="grid t8"><span class="v r"><b40></b40></span></div>
 
-<div class="grid"><xx class="v"></xx></div>
-<div class="grid v"><xx class="h"></xx></div>
+<div class="grid t9"><xx class="v"></xx></div>
+<div class="grid v t10"><xx class="h"></xx></div>
 
 </body>
 </html>
diff --git a/layout/reftests/css-grid/grid-auto-min-sizing-min-content-min-size-002-ref.html b/layout/reftests/css-grid/grid-auto-min-sizing-min-content-min-size-002-ref.html
index 35f596928..183f00e24 100644
--- a/layout/reftests/css-grid/grid-auto-min-sizing-min-content-min-size-002-ref.html
+++ b/layout/reftests/css-grid/grid-auto-min-sizing-min-content-min-size-002-ref.html
@@ -36,7 +36,7 @@ var coltest = [
 "min-height:40%", "min-height:40%; max-width:30px"
 ];
 var results = [
-"360px", "360px", "360px", "24px", "24px", "360px", "80px", "24px", "24px", "24px",
+"24px", "24px", "24px", "24px", "24px", "24px", "80px", "24px", "24px", "24px",
 "24px", "24px", "24px"
 ];
 var item_width = [
diff --git a/layout/reftests/css-grid/grid-auto-min-sizing-min-content-min-size-004-ref.html b/layout/reftests/css-grid/grid-auto-min-sizing-min-content-min-size-004-ref.html
index caef8b031..6533c97b6 100644
--- a/layout/reftests/css-grid/grid-auto-min-sizing-min-content-min-size-004-ref.html
+++ b/layout/reftests/css-grid/grid-auto-min-sizing-min-content-min-size-004-ref.html
@@ -36,7 +36,7 @@ var rowtest = [
 "min-width:80%; max-height:20px", "min-width:50%", "margin-left: 50px; width:50%"
 ];
 var results = [
-"0/2px", "0/2px", "0/4px", "0/2px", "0/2px", "0/2px", "12px/2px", "20px/2px", "20px/2px", "24px/2px", "24px/52px"
+"0/2px", "0/2px", "0/4px", "0/2px", "0/2px", "0/2px", "12px/2px", "20px/2px", "20px/2px", "24px/2px", "312px/52px"
 ];
 var item_height = [
 "0", "0", "0", "0", "0", "0", "12px", "20px", "20px", "24px", "312px"
diff --git a/layout/reftests/css-grid/grid-auto-min-sizing-percent-001-ref.html b/layout/reftests/css-grid/grid-auto-min-sizing-percent-001-ref.html
index fd2302add..d435f8f3e 100644
--- a/layout/reftests/css-grid/grid-auto-min-sizing-percent-001-ref.html
+++ b/layout/reftests/css-grid/grid-auto-min-sizing-percent-001-ref.html
@@ -54,9 +54,9 @@ br { clear:both; }
 .c10 { grid-template-columns: minmax(10px,0) 1fr; }
 #px-border .c10 { grid-template-columns: minmax(30px,0) 1fr; }
 
-#percent-border .c100 { grid-template-columns: 111px 0; }
-#percent-border .c100calc100 { grid-template-columns: 100px 11px; }
-#percent-border .c10 { grid-template-columns: minmax(11px,0) 0; }
+#percent-border .c100 { grid-template-columns: 100px 0; }
+#percent-border .c100calc100 { grid-template-columns: 100px 10px; }
+#percent-border .c10 { grid-template-columns: minmax(10px,0) 0; }
 #percent-border .c100100 { grid-template-columns: minmax(100px,0) 150px; }
 #percent-border .c200 { grid-template-columns: 250px; }
   </style>
@@ -99,7 +99,7 @@ var grids = [
 "grid c100",
 "grid c100",
 "grid",
-"grid c200",
+"grid c100",
 "grid c10",
 "grid c100",
 "grid c100",
@@ -110,7 +110,7 @@ var grids = [
 "grid c100",
 "grid c100",
 "grid",
-"grid c200",
+"grid c100",
 "grid c10",
 "grid c100",
 "grid c100",
diff --git a/layout/reftests/css-grid/grid-auto-min-sizing-transferred-size-002-ref.html b/layout/reftests/css-grid/grid-auto-min-sizing-transferred-size-002-ref.html
index 8dcdd563b..528d63bc7 100644
--- a/layout/reftests/css-grid/grid-auto-min-sizing-transferred-size-002-ref.html
+++ b/layout/reftests/css-grid/grid-auto-min-sizing-transferred-size-002-ref.html
@@ -36,7 +36,7 @@ var coltest = [
 "min-height:40%", "min-height:40%; max-width:30px"
 ];
 var results = [
-"360px", "360px", "360px", "24px", "24px", "360px", "80px", "24px", "20px", "24px",
+"360px", "0px", "0px", "0px", "24px", "360px", "80px", "24px", "20px", "24px",
 "6px", "24px", "24px"
 ];
 var item_width = [
diff --git a/layout/reftests/css-grid/grid-auto-min-sizing-transferred-size-004-ref.html b/layout/reftests/css-grid/grid-auto-min-sizing-transferred-size-004-ref.html
index 36a2d4920..4eb623b7d 100644
--- a/layout/reftests/css-grid/grid-auto-min-sizing-transferred-size-004-ref.html
+++ b/layout/reftests/css-grid/grid-auto-min-sizing-transferred-size-004-ref.html
@@ -36,7 +36,7 @@ var rowtest = [
 "min-width:80%; max-height:20px", "min-width:50%", "margin-left: 50px; width:50%"
 ];
 var results = [
-"0/2px", "0/2px", "0/4px", "0/2px", "0/2px", "0/2px", "12px/2px", "20px/2px", "20px/2px", "24px/2px", "24px/52px"
+"0/2px", "0/2px", "0/4px", "0/2px", "0/2px", "0/2px", "12px/2px", "20px/2px", "20px/2px", "24px/2px", "312px/52px"
 ];
 var item_height = [
 "0", "0", "0", "0", "0", "0", "12px", "20px", "20px", "24px", "312px"
diff --git a/layout/reftests/css-grid/grid-item-sizing-percent-003-ref.html b/layout/reftests/css-grid/grid-item-sizing-percent-003-ref.html
index fb4d15ff8..a55dcc989 100644
--- a/layout/reftests/css-grid/grid-item-sizing-percent-003-ref.html
+++ b/layout/reftests/css-grid/grid-item-sizing-percent-003-ref.html
@@ -69,67 +69,67 @@ a {
 
 <div style="float:left">
 <div class="grid" style="grid-template-rows:calc(12px)"><div class="item"><x></x><x></x><x></x></div><a></a></div>
-<div class="grid" style="grid-template-rows:calc(15px/.9)"><div class="item pbox p"><x></x><x></x><x></x></div><a></a></div>
-<div class="grid" style="grid-template-rows:0 calc(15px/.9)"><div class="item c1 p"><x></x><x></x><x></x></div><a></a></div>
-<div class="grid" style="grid-template-rows:0 calc(15px/.9)"><div class="item c1 pbox p"><x></x><x></x><x></x></div><a></a></div>
-<div class="grid" style="grid-template-rows:0 calc(15px/.9)"><div class="item c2 pbox p"><x></x><x></x><x></x></div><a></a></div>
+<div class="grid" style="grid-template-rows:20px"><div class="item pbox p"><x></x><x></x><x></x></div><a></a></div>
+<div class="grid" style="grid-template-rows:0 30px"><div class="item c1 p"><x></x><x></x><x></x></div><a></a></div>
+<div class="grid" style="grid-template-rows:0 30px"><div class="item c1 pbox p"><x></x><x></x><x></x></div><a></a></div>
+<div class="grid" style="grid-template-rows:0 30px"><div class="item c2 pbox p"><x></x><x></x><x></x></div><a></a></div>
 <div class="grid" style="grid-template-rows:calc(18px)"><div class="item pbox b"><x></x><x></x><x></x></div><a></a></div>
-<div class="grid" style="grid-template-rows:calc(21px/0.9)"><div class="item pbox p b"><x></x><x></x><x></x></div><a></a></div>
-<div class="grid" style="grid-template-rows:0 calc(21px/.9)"><div class="item c1 pbox p b"><x></x><x></x><x></x></div><a></a></div>
-<div class="grid" style="grid-template-rows:0 calc(21px/.9)"><div class="item c2 pbox p b"><x></x><x></x><x></x></div><a></a></div>
+<div class="grid" style="grid-template-rows:26px"><div class="item pbox p b"><x></x><x></x><x></x></div><a></a></div>
+<div class="grid" style="grid-template-rows:0 36px"><div class="item c1 pbox p b"><x></x><x></x><x></x></div><a></a></div>
+<div class="grid" style="grid-template-rows:0 36px"><div class="item c2 pbox p b"><x></x><x></x><x></x></div><a></a></div>
 </div>
 
 <div style="float:left" class="maxw">
 <div class="grid" style="grid-template-rows:calc(12px)"><div class="item"><x></x><x></x><x></x></div><a></a></div>
-<div class="grid" style="grid-template-rows:calc(15px/.9)"><div class="item pbox p"><x></x><x></x><x></x></div><a></a></div>
-<div class="grid" style="grid-template-rows:0 calc(15px/.9)"><div class="item c1 p"><x></x><x></x><x></x></div><a></a></div>
-<div class="grid" style="grid-template-rows:0 calc(15px/.9)"><div class="item c1 pbox p"><x></x><x></x><x></x></div><a></a></div>
-<div class="grid" style="grid-template-rows:0 calc(15px/.9)"><div class="item c2 pbox p"><x></x><x></x><x></x></div><a></a></div>
+<div class="grid" style="grid-template-rows:20px"><div class="item pbox p"><x></x><x></x><x></x></div><a></a></div>
+<div class="grid" style="grid-template-rows:0 30px"><div class="item c1 p"><x></x><x></x><x></x></div><a></a></div>
+<div class="grid" style="grid-template-rows:0 30px"><div class="item c1 pbox p"><x></x><x></x><x></x></div><a></a></div>
+<div class="grid" style="grid-template-rows:0 30px"><div class="item c2 pbox p"><x></x><x></x><x></x></div><a></a></div>
 <div class="grid" style="grid-template-rows:calc(18px)"><div class="item pbox b"><x></x><x></x><x></x></div><a></a></div>
-<div class="grid" style="grid-template-rows:calc(21px/.9)"><div class="item pbox p b"><x></x><x></x><x></x></div><a></a></div>
-<div class="grid" style="grid-template-rows:0 calc(21px/.9)"><div class="item c1 pbox p b"><x></x><x></x><x></x></div><a></a></div>
-<div class="grid" style="grid-template-rows:0 calc(21px/.9)"><div class="item c2 pbox p b"><x></x><x></x><x></x></div><a></a></div>
+<div class="grid" style="grid-template-rows:26px"><div class="item pbox p b"><x></x><x></x><x></x></div><a></a></div>
+<div class="grid" style="grid-template-rows:0 36px"><div class="item c1 pbox p b"><x></x><x></x><x></x></div><a></a></div>
+<div class="grid" style="grid-template-rows:0 36px"><div class="item c2 pbox p b"><x></x><x></x><x></x></div><a></a></div>
 </div>
 
 <div style="float:left" class="minw">
 <div class="grid" style="grid-template-rows:calc(12px)"><div class="item"><x></x><x></x><x></x></div><a></a></div>
-<div class="grid" style="grid-template-rows:calc(15px/.9)"><div class="item pbox p"><x></x><x></x><x></x></div><a></a></div>
-<div class="grid" style="grid-template-rows:0 calc(15px/.9)"><div class="item c1 p"><x></x><x></x><x></x></div><a></a></div>
-<div class="grid" style="grid-template-rows:0 calc(15px/.9)"><div class="item c1 pbox p"><x></x><x></x><x></x></div><a></a></div>
-<div class="grid" style="grid-template-rows:0 calc(15px/.9)"><div class="item c2 pbox p"><x></x><x></x><x></x></div><a></a></div>
+<div class="grid" style="grid-template-rows:20px"><div class="item pbox p"><x></x><x></x><x></x></div><a></a></div>
+<div class="grid" style="grid-template-rows:0 30px"><div class="item c1 p"><x></x><x></x><x></x></div><a></a></div>
+<div class="grid" style="grid-template-rows:0 30px"><div class="item c1 pbox p"><x></x><x></x><x></x></div><a></a></div>
+<div class="grid" style="grid-template-rows:0 30px"><div class="item c2 pbox p"><x></x><x></x><x></x></div><a></a></div>
 <div class="grid" style="grid-template-rows:calc(18px)"><div class="item pbox b"><x></x><x></x><x></x></div><a></a></div>
-<div class="grid" style="grid-template-rows:calc(21px/.9)"><div class="item pbox p b"><x></x><x></x><x></x></div><a></a></div>
-<div class="grid" style="grid-template-rows:0 calc(21px/.9)"><div class="item c1 pbox p b"><x></x><x></x><x></x></div><a></a></div>
-<div class="grid" style="grid-template-rows:0 calc(21px/.9)"><div class="item c2 pbox p b"><x></x><x></x><x></x></div><a></a></div>
+<div class="grid" style="grid-template-rows:26px"><div class="item pbox p b"><x></x><x></x><x></x></div><a></a></div>
+<div class="grid" style="grid-template-rows:0 36px"><div class="item c1 pbox p b"><x></x><x></x><x></x></div><a></a></div>
+<div class="grid" style="grid-template-rows:0 36px"><div class="item c2 pbox p b"><x></x><x></x><x></x></div><a></a></div>
 </div>
 
 <div style="float:left">
-<div class="grid" style="grid-template-rows:calc(15px/.9)"><div class="item pbox m"><x></x><x></x><x></x></div><a></a></div>
-<div class="grid" style="grid-template-rows:0 calc(15px/.9)"><div class="item c1 pbox m"><x></x><x></x><x></x></div><a></a></div>
-<div class="grid" style="grid-template-rows:0 calc(15px/.9)"><div class="item c2 pbox m"><x></x><x></x><x></x></div><a></a></div>
-<div class="grid" style="grid-template-rows:calc(22.5px)"><div class="item pbox p m"><x></x><x></x><x></x></div><a></a></div>
-<div class="grid" style="grid-template-rows:calc(30px)"><div class="item pbox p b m"><x></x><x></x><x></x></div><a></a></div>
-<div class="grid" style="grid-template-rows:0 calc(30px)"><div class="item c2 pbox p b m"><x></x><x></x><x></x></div><a></a></div>
+<div class="grid" style="grid-template-rows:20px"><div class="item pbox m"><x></x><x></x><x></x></div><a></a></div>
+<div class="grid" style="grid-template-rows:0 30px"><div class="item c1 pbox m"><x></x><x></x><x></x></div><a></a></div>
+<div class="grid" style="grid-template-rows:0 30px"><div class="item c2 pbox m"><x></x><x></x><x></x></div><a></a></div>
+<div class="grid" style="grid-template-rows:28px"><div class="item pbox p m"><x></x><x></x><x></x></div><a></a></div>
+<div class="grid" style="grid-template-rows:34px"><div class="item pbox p b m"><x></x><x></x><x></x></div><a></a></div>
+<div class="grid" style="grid-template-rows:0 54px"><div class="item c2 pbox p b m"><x></x><x></x><x></x></div><a></a></div>
 </div>
 
 <br clear="all">
 
 <div style="float:left" class="maxw">
-<div class="grid" style="grid-template-rows:calc(15px/.9)"><div class="item pbox m"><x></x><x></x><x></x></div><a></a></div>
-<div class="grid" style="grid-template-rows:0 calc(15px/.9)"><div class="item c1 pbox m"><x></x><x></x><x></x></div><a></a></div>
-<div class="grid" style="grid-template-rows:0 calc(15px/.9)"><div class="item c2 pbox m"><x></x><x></x><x></x></div><a></a></div>
-<div class="grid" style="grid-template-rows:calc(22.5px)"><div class="item pbox p m"><x></x><x></x><x></x></div><a></a></div>
-<div class="grid" style="grid-template-rows:calc(30px)"><div class="item pbox p b m"><x></x><x></x><x></x></div><a></a></div>
-<div class="grid" style="grid-template-rows:0 calc(30px)"><div class="item c2 pbox p b m"><x></x><x></x><x></x></div><a></a></div>
+<div class="grid" style="grid-template-rows:20px"><div class="item pbox m"><x></x><x></x><x></x></div><a></a></div>
+<div class="grid" style="grid-template-rows:0 30px"><div class="item c1 pbox m"><x></x><x></x><x></x></div><a></a></div>
+<div class="grid" style="grid-template-rows:0 30px"><div class="item c2 pbox m"><x></x><x></x><x></x></div><a></a></div>
+<div class="grid" style="grid-template-rows:28px"><div class="item pbox p m"><x></x><x></x><x></x></div><a></a></div>
+<div class="grid" style="grid-template-rows:34px"><div class="item pbox p b m"><x></x><x></x><x></x></div><a></a></div>
+<div class="grid" style="grid-template-rows:0 54px"><div class="item c2 pbox p b m"><x></x><x></x><x></x></div><a></a></div>
 </div>
 
 <div style="float:left" class="minw">
-<div class="grid" style="grid-template-rows:calc(15px/.9)"><div class="item pbox m"><x></x><x></x><x></x></div><a></a></div>
-<div class="grid" style="grid-template-rows:0 calc(15px/.9)"><div class="item c1 pbox m"><x></x><x></x><x></x></div><a></a></div>
-<div class="grid" style="grid-template-rows:0 calc(15px/.9)"><div class="item c2 pbox m"><x></x><x></x><x></x></div><a></a></div>
-<div class="grid" style="grid-template-rows:calc(22.5px)"><div class="item pbox p m"><x></x><x></x><x></x></div><a></a></div>
-<div class="grid" style="grid-template-rows:calc(30px)"><div class="item pbox p b m"><x></x><x></x><x></x></div><a></a></div>
-<div class="grid" style="grid-template-rows:0 calc(30px)"><div class="item c2 pbox p b m"><x></x><x></x><x></x></div><a></a></div>
+<div class="grid" style="grid-template-rows:20px"><div class="item pbox m"><x></x><x></x><x></x></div><a></a></div>
+<div class="grid" style="grid-template-rows:0 30px"><div class="item c1 pbox m"><x></x><x></x><x></x></div><a></a></div>
+<div class="grid" style="grid-template-rows:0 30px"><div class="item c2 pbox m"><x></x><x></x><x></x></div><a></a></div>
+<div class="grid" style="grid-template-rows:28px"><div class="item pbox p m"><x></x><x></x><x></x></div><a></a></div>
+<div class="grid" style="grid-template-rows:34px"><div class="item pbox p b m"><x></x><x></x><x></x></div><a></a></div>
+<div class="grid" style="grid-template-rows:0 54px"><div class="item c2 pbox p b m"><x></x><x></x><x></x></div><a></a></div>
 </div>
 
 
diff --git a/layout/reftests/css-grid/grid-item-sizing-percent-004-ref.html b/layout/reftests/css-grid/grid-item-sizing-percent-004-ref.html
index 51f71e662..96365b468 100644
--- a/layout/reftests/css-grid/grid-item-sizing-percent-004-ref.html
+++ b/layout/reftests/css-grid/grid-item-sizing-percent-004-ref.html
@@ -62,71 +62,71 @@ a {
 
 <div style="float:left">
 <div class="grid" style="grid-template-columns:calc(10px)"><div class="item"><x></x><x></x><x></x></div><a></a></div>
-<div class="grid" style="grid-template-columns:calc(18.75px)"><div class="item pbox p"><x></x><x></x><x></x></div><a></a></div>
-<div class="grid" style="grid-template-columns:0 calc(43.75px)"><div class="item c1 p"><x></x><x></x><x></x></div><a></a></div>
-<div class="grid" style="grid-template-columns:0 calc(43.75px)"><div class="item c1 pbox p"><x></x><x></x><x></x></div><a></a></div>
-<div class="grid" style="grid-template-columns:0 calc(18.75px)"><div class="item c2 pbox p"><x></x><x></x><x></x></div><a></a></div>
+<div class="grid" style="grid-template-columns:15px"><div class="item pbox p"><x></x><x></x><x></x></div><a></a></div>
+<div class="grid" style="grid-template-columns:0 35px"><div class="item c1 p"><x></x><x></x><x></x></div><a></a></div>
+<div class="grid" style="grid-template-columns:0 35px"><div class="item c1 pbox p"><x></x><x></x><x></x></div><a></a></div>
+<div class="grid" style="grid-template-columns:0 15px"><div class="item c2 pbox p"><x></x><x></x><x></x></div><a></a></div>
 <div class="grid" style="grid-template-columns:calc(16px)"><div class="item pbox b"><x></x><x></x><x></x></div><a></a></div>
-<div class="grid" style="grid-template-columns:calc(26.25px)"><div class="item pbox p b"><x></x><x></x><x></x></div><a></a></div>
-<div class="grid" style="grid-template-columns:0 calc(51.25px)"><div class="item c1 pbox p b"><x></x><x></x><x></x></div><a></a></div>
-<div class="grid" style="grid-template-columns:0 calc(26.25px)"><div class="item c2 pbox p b"><x></x><x></x><x></x></div><a></a></div>
+<div class="grid" style="grid-template-columns:21px"><div class="item pbox p b"><x></x><x></x><x></x></div><a></a></div>
+<div class="grid" style="grid-template-columns:0 41px"><div class="item c1 pbox p b"><x></x><x></x><x></x></div><a></a></div>
+<div class="grid" style="grid-template-columns:0 21px"><div class="item c2 pbox p b"><x></x><x></x><x></x></div><a></a></div>
 </div>
 
 <br clear="all">
 
 <div style="float:left" class="maxw">
 <div class="grid" style="grid-template-columns:calc(30px)"><div class="item"><x></x><x></x><x></x></div><a></a></div>
-<div class="grid" style="grid-template-columns:calc(43.75px)"><div class="item pbox p"><x></x><x></x><x></x></div><a></a></div>
-<div class="grid" style="grid-template-columns:0 calc(43.75px)"><div class="item c1 p"><x></x><x></x><x></x></div><a></a></div>
-<div class="grid" style="grid-template-columns:0 calc(43.75px)"><div class="item c1 pbox p"><x></x><x></x><x></x></div><a></a></div>
-<div class="grid" style="grid-template-columns:0 calc(43.75px)"><div class="item c2 pbox p"><x></x><x></x><x></x></div><a></a></div>
+<div class="grid" style="grid-template-columns:35px"><div class="item pbox p"><x></x><x></x><x></x></div><a></a></div>
+<div class="grid" style="grid-template-columns:0 35px"><div class="item c1 p"><x></x><x></x><x></x></div><a></a></div>
+<div class="grid" style="grid-template-columns:0 35px"><div class="item c1 pbox p"><x></x><x></x><x></x></div><a></a></div>
+<div class="grid" style="grid-template-columns:0 35px"><div class="item c2 pbox p"><x></x><x></x><x></x></div><a></a></div>
 <div class="grid" style="grid-template-columns:calc(36px)"><div class="item pbox b"><x></x><x></x><x></x></div><a></a></div>
-<div class="grid" style="grid-template-columns:calc(51.25px)"><div class="item pbox p b"><x></x><x></x><x></x></div><a></a></div>
-<div class="grid" style="grid-template-columns:0 calc(51.25px)"><div class="item c1 pbox p b"><x></x><x></x><x></x></div><a></a></div>
-<div class="grid" style="grid-template-columns:0 calc(51.25px)"><div class="item c2 pbox p b"><x></x><x></x><x></x></div><a></a></div>
+<div class="grid" style="grid-template-columns:41px"><div class="item pbox p b"><x></x><x></x><x></x></div><a></a></div>
+<div class="grid" style="grid-template-columns:0 41px"><div class="item c1 pbox p b"><x></x><x></x><x></x></div><a></a></div>
+<div class="grid" style="grid-template-columns:0 41px"><div class="item c2 pbox p b"><x></x><x></x><x></x></div><a></a></div>
 </div>
 
 <br clear="all">
 
 <div style="float:left" class="minw">
 <div class="grid" style="grid-template-columns:calc(10px)"><div class="item"><x></x><x></x><x></x></div><a></a></div>
-<div class="grid" style="grid-template-columns:calc(18.75px)"><div class="item pbox p"><x></x><x></x><x></x></div><a></a></div>
-<div class="grid" style="grid-template-columns:0 calc(43.75px)"><div class="item c1 p"><x></x><x></x><x></x></div><a></a></div>
-<div class="grid" style="grid-template-columns:0 calc(43.75px)"><div class="item c1 pbox p"><x></x><x></x><x></x></div><a></a></div>
-<div class="grid" style="grid-template-columns:0 calc(18.75px)"><div class="item c2 pbox p"><x></x><x></x><x></x></div><a></a></div>
+<div class="grid" style="grid-template-columns:15px"><div class="item pbox p"><x></x><x></x><x></x></div><a></a></div>
+<div class="grid" style="grid-template-columns:0 35px"><div class="item c1 p"><x></x><x></x><x></x></div><a></a></div>
+<div class="grid" style="grid-template-columns:0 35px"><div class="item c1 pbox p"><x></x><x></x><x></x></div><a></a></div>
+<div class="grid" style="grid-template-columns:0 15px"><div class="item c2 pbox p"><x></x><x></x><x></x></div><a></a></div>
 <div class="grid" style="grid-template-columns:calc(16px)"><div class="item pbox b"><x></x><x></x><x></x></div><a></a></div>
-<div class="grid" style="grid-template-columns:calc(26.25px)"><div class="item pbox p b"><x></x><x></x><x></x></div><a></a></div>
-<div class="grid" style="grid-template-columns:0 calc(51.25px)"><div class="item c1 pbox p b"><x></x><x></x><x></x></div><a></a></div>
-<div class="grid" style="grid-template-columns:0 calc(26.25px)"><div class="item c2 pbox p b"><x></x><x></x><x></x></div><a></a></div>
+<div class="grid" style="grid-template-columns:21px"><div class="item pbox p b"><x></x><x></x><x></x></div><a></a></div>
+<div class="grid" style="grid-template-columns:0 41px"><div class="item c1 pbox p b"><x></x><x></x><x></x></div><a></a></div>
+<div class="grid" style="grid-template-columns:0 21px"><div class="item c2 pbox p b"><x></x><x></x><x></x></div><a></a></div>
 </div>
 
 <div style="float:left">
-<div class="grid" style="grid-template-columns:calc(15px/.9)"><div class="item pbox m"><x></x><x></x><x></x></div><a></a></div>
-<div class="grid" style="grid-template-columns:0 calc(35px/.9)"><div class="item c1 pbox m"><x></x><x></x><x></x></div><a></a></div>
-<div class="grid" style="grid-template-columns:0 calc(15px/.9)"><div class="item c2 pbox m"><x></x><x></x><x></x></div><a></a></div>
-<div class="grid" style="grid-template-columns:calc(20px/.7)"><div class="item pbox p m"><x></x><x></x><x></x></div><a></a></div>
-<div class="grid" style="grid-template-columns:calc(37.15px)"><div class="item pbox p b m"><x></x><x></x><x></x></div><a></a></div>
-<div class="grid" style="grid-template-columns:0 calc(37.15px)"><div class="item c2 pbox p b m"><x></x><x></x><x></x></div><a></a></div>
+<div class="grid" style="grid-template-columns:15px"><div class="item pbox m"><x></x><x></x><x></x></div><a></a></div>
+<div class="grid" style="grid-template-columns:0 35px"><div class="item c1 pbox m"><x></x><x></x><x></x></div><a></a></div>
+<div class="grid" style="grid-template-columns:0 15px"><div class="item c2 pbox m"><x></x><x></x><x></x></div><a></a></div>
+<div class="grid" style="grid-template-columns:20px"><div class="item pbox p m"><x></x><x></x><x></x></div><a></a></div>
+<div class="grid" style="grid-template-columns:26px"><div class="item pbox p b m"><x></x><x></x><x></x></div><a></a></div>
+<div class="grid" style="grid-template-columns:0 26px"><div class="item c2 pbox p b m"><x></x><x></x><x></x></div><a></a></div>
 </div>
 
 <br clear="all">
 
 <div style="float:left" class="maxw">
-<div class="grid" style="grid-template-columns:calc(35px/.9)"><div class="item pbox m"><x></x><x></x><x></x></div><a></a></div>
-<div class="grid" style="grid-template-columns:0 calc(35px/.9)"><div class="item c1 pbox m"><x></x><x></x><x></x></div><a></a></div>
-<div class="grid" style="grid-template-columns:0 calc(35px/.9)"><div class="item c2 pbox m"><x></x><x></x><x></x></div><a></a></div>
-<div class="grid" style="grid-template-columns:calc(57.15px)"><div class="item pbox p m"><x></x><x></x><x></x></div><a></a></div>
-<div class="grid" style="grid-template-columns:calc(46px/.7)"><div class="item pbox p b m"><x></x><x></x><x></x></div><a></a></div>
-<div class="grid" style="grid-template-columns:0 calc(46px/.7)"><div class="item c2 pbox p b m"><x></x><x></x><x></x></div><a></a></div>
+<div class="grid" style="grid-template-columns:35px"><div class="item pbox m"><x></x><x></x><x></x></div><a></a></div>
+<div class="grid" style="grid-template-columns:0 35px"><div class="item c1 pbox m"><x></x><x></x><x></x></div><a></a></div>
+<div class="grid" style="grid-template-columns:0 35px"><div class="item c2 pbox m"><x></x><x></x><x></x></div><a></a></div>
+<div class="grid" style="grid-template-columns:40px"><div class="item pbox p m"><x></x><x></x><x></x></div><a></a></div>
+<div class="grid" style="grid-template-columns:46px"><div class="item pbox p b m"><x></x><x></x><x></x></div><a></a></div>
+<div class="grid" style="grid-template-columns:0 46px"><div class="item c2 pbox p b m"><x></x><x></x><x></x></div><a></a></div>
 </div>
 
 <div style="float:left" class="minw">
-<div class="grid" style="grid-template-columns:calc(15px/.9)"><div class="item pbox m"><x></x><x></x><x></x></div><a></a></div>
-<div class="grid" style="grid-template-columns:0 calc(35px/.9)"><div class="item c1 pbox m"><x></x><x></x><x></x></div><a></a></div>
-<div class="grid" style="grid-template-columns:0 calc(15px/.9)"><div class="item c2 pbox m"><x></x><x></x><x></x></div><a></a></div>
-<div class="grid" style="grid-template-columns:calc(20px/.7)"><div class="item pbox p m"><x></x><x></x><x></x></div><a></a></div>
-<div class="grid" style="grid-template-columns:calc(37.15px)"><div class="item pbox p b m"><x></x><x></x><x></x></div><a></a></div>
-<div class="grid" style="grid-template-columns:0 calc(37.15px)"><div class="item c2 pbox p b m"><x></x><x></x><x></x></div><a></a></div>
+<div class="grid" style="grid-template-columns:15px"><div class="item pbox m"><x></x><x></x><x></x></div><a></a></div>
+<div class="grid" style="grid-template-columns:0 35px"><div class="item c1 pbox m"><x></x><x></x><x></x></div><a></a></div>
+<div class="grid" style="grid-template-columns:0 15px"><div class="item c2 pbox m"><x></x><x></x><x></x></div><a></a></div>
+<div class="grid" style="grid-template-columns:20px"><div class="item pbox p m"><x></x><x></x><x></x></div><a></a></div>
+<div class="grid" style="grid-template-columns:26px"><div class="item pbox p b m"><x></x><x></x><x></x></div><a></a></div>
+<div class="grid" style="grid-template-columns:0 26px"><div class="item c2 pbox p b m"><x></x><x></x><x></x></div><a></a></div>
 </div>
 
 
diff --git a/layout/reftests/css-grid/grid-percent-grid-gap-001-ref.html b/layout/reftests/css-grid/grid-percent-grid-gap-001-ref.html
index 945b43b52..7ad85e1e5 100644
--- a/layout/reftests/css-grid/grid-percent-grid-gap-001-ref.html
+++ b/layout/reftests/css-grid/grid-percent-grid-gap-001-ref.html
@@ -65,7 +65,7 @@ br { clear: both; }
 </div>
 
 <div class="float">
-<div class="grid" style="align-self:start; justify-self:start; grid-gap:15px">
+<div class="grid" style="width:60px; height:60px; grid-column-gap:12px">
   <span><x></x></span>
   <span><x></x></span>
   <span><x></x></span>
@@ -74,7 +74,7 @@ br { clear: both; }
 </div>
 
 <div class="inline-grid">
-<div class="grid" style="align-self:start; justify-self:start; grid-gap:15px">
+<div class="grid" style="width:60px; height:60px; grid-column-gap:12px; align-self:start; justify-self:start;">
   <span><x></x></span>
   <span><x></x></span>
   <span><x></x></span>
@@ -141,12 +141,12 @@ br { clear: both; }
 </div>
 </div>
 
-<div class="float" style="margin-top:-50px">
-<div class="grid" style="min-width:300%; grid-gap:15px 15px">
-  <span><x></x></span>
-  <span style="margin-left:31px; width:30px"><x></x></span>
-  <span><x></x></span>
-  <span style="margin-left:31px; width:30px"><x></x></span>
+<div class="float" style="margin-top:-50px; width:62px">
+<div class="grid" style="padding-left:186px; height:60px; grid-column-gap:calc(186px * 0.2);">
+  <span style="margin-left:-186px; width:30px"><x></x></span>
+  <span style="margin-left:-186px; width:30px"><x></x></span>
+  <span style="margin-left:-186px; width:30px"><x></x></span>
+  <span style="margin-left:-186px; width:30px"><x></x></span>
 </div>
 </div>
 
diff --git a/layout/reftests/css-grid/grid-repeat-auto-fill-fit-002-ref.html b/layout/reftests/css-grid/grid-repeat-auto-fill-fit-002-ref.html
index a404a0905..682e0ca38 100644
--- a/layout/reftests/css-grid/grid-repeat-auto-fill-fit-002-ref.html
+++ b/layout/reftests/css-grid/grid-repeat-auto-fill-fit-002-ref.html
@@ -83,12 +83,16 @@ fill,fit {
 
 .zero-progress {
   grid-row-gap: calc(10px - 1%);
-  grid-template-rows: [a] 10px repeat(4, [b] minmax(0,auto) [c]) [d];
+  grid-template-rows: [a] 10px repeat(3, [b] 0 [c]) [d];
 }
 .w50.zero-progress {
   grid-row-gap: calc(10px - 1%);
   grid-template-rows: [a] 10px repeat(3, [b] 0 [c]) [d];
 }
+.mw50.zero-progress {
+  grid-row-gap: calc(10px - 1%);
+  grid-template-rows: [a] 10px repeat(4, [b] 0 [c]) [d];
+}
 </style>
 </head>
 <body>