Add tests for <unicode-range> tokens.

Author: SimonSapin

README.rst

@@ -200,8 +200,8 @@ Component values
     and the unit as a string.
 
 <unicode-range>
-    Array of length 2: the string ``"unicode-range"``, and the range as either
-    null for the empty range, or an array of two numbers.
+    Array of length 3: the string ``"unicode-range"``,
+    followed by the *start* and *end* integers as two numbers.
 
 <include-match>
     The string ``"~="``.

component_value_list.json

@@ -317,6 +317,79 @@
 	["dimension", "12", 12, "integer", "rêd"]
 ],
 
+"u+1 U+10 U+100 U+1000 U+10000 U+100000 U+1000000", [
+    ["unicode-range", 1, 1], " ",
+    ["unicode-range", 16, 16], " ",
+    ["unicode-range", 256, 256], " ",
+    ["unicode-range", 4096, 4096], " ",
+    ["unicode-range", 65536, 65536], " ",
+    ["unicode-range", 1048576, 1048576], " ",
+    ["unicode-range", 1048576, 1048576], ["number", "0", 0, "integer"]
+],
+
+"u+? u+1? U+10? U+100? U+1000? U+10000? U+100000?", [
+    ["unicode-range", 0, 15], " ",
+    ["unicode-range", 16, 31], " ",
+    ["unicode-range", 256, 271], " ",
+    ["unicode-range", 4096, 4111], " ",
+    ["unicode-range", 65536, 65551], " ",
+    ["unicode-range", 1048576, 1048591], " ",
+    ["unicode-range", 1048576, 1048576], "?"
+],
+
+"u+?? U+1?? U+10?? U+100?? U+1000?? U+10000??", [
+    ["unicode-range", 0, 255], " ",
+    ["unicode-range", 256, 511], " ",
+    ["unicode-range", 4096, 4351], " ",
+    ["unicode-range", 65536, 65791], " ",
+    ["unicode-range", 1048576, 1048831], " ",
+    ["unicode-range", 1048576, 1048591], "?"
+],
+
+"u+??? U+1??? U+10??? U+100??? U+1000???", [
+    ["unicode-range", 0, 4095], " ",
+    ["unicode-range", 4096, 8191], " ",
+    ["unicode-range", 65536, 69631], " ",
+    ["unicode-range", 1048576, 1052671], " ",
+    ["unicode-range", 1048576, 1048831], "?"
+],
+
+"u+???? U+1???? U+10???? U+100????", [
+    ["unicode-range", 0, 65535], " ",
+    ["unicode-range", 65536, 131071], " ",
+    ["unicode-range", 1048576, 1114111], " ",
+    ["unicode-range", 1048576, 1052671], "?"
+],
+
+"u+????? U+1????? U+10?????", [
+    ["unicode-range", 0, 1048575], " ",
+    ["unicode-range", 1048576, 2097151], " ",
+    ["unicode-range", 1048576, 1114111], "?"
+],
+
+"u+?????? U+1??????", [
+    ["unicode-range", 0, 16777215], " ",
+    ["unicode-range", 1048576, 2097151], "?"
+],
+
+"u+1-2 U+100000-2 U+1000000-2 U+10-200000", [
+    ["unicode-range", 1, 2], " ",
+    ["unicode-range", 1048576, 2], " ",
+    ["unicode-range", 1048576, 1048576], ["number", "0", 0, "integer"],
+        ["number", "-2", -2, "integer"], " ",
+    ["unicode-range", 16, 2097152]
+],
+
+"ù+12 Ü+12 u +12 U+ 12 U+12 - 20 U+1?2 U+1?-50", [
+    ["ident", "ù"], ["number", "+12", 12, "integer"], " ",
+    ["ident", "Ü"], ["number", "+12", 12, "integer"], " ",
+    ["ident", "u"], " ", ["number", "+12", 12, "integer"], " ",
+    ["ident", "U"], "+", " ", ["number", "12", 12, "integer"], " ",
+    ["unicode-range", 18, 18], " ", "-", " ", ["number", "20", 20, "integer"], " ",
+    ["unicode-range", 16, 31], ["number", "2", 2, "integer"], " ",
+    ["unicode-range", 16, 31], ["number", "-50", -50, "integer"]
+],
+
 "~=|=^=$=*=||<!------> |/**/| ~/**/=", [
 	"~=", "|=", "^=", "$=", "*=", "||", "<!--", "-", "-", "-->",
 	" ", "|", "|", " ", "~", "="