Made unicode escapes use uppercase hex codes.

...because caps lock is cruise control for cool.

src/compiler/utilities.ts

@@ -1238,7 +1238,7 @@ module ts {
     }
     
     function get16BitUnicodeEscapeSequence(charCode: number): string {
-        var hexCharCode = charCode.toString(16);
+        var hexCharCode = charCode.toString(16).toUpperCase();
         var paddedHexCode = ("0000" + hexCharCode).slice(-4);
         return "\\u" + paddedHexCode;
     }

tests/baselines/reference/taggedTemplateStringsWithUnicodeEscapes.js

@@ -11,5 +11,5 @@ function f() {
         args[_i - 0] = arguments[_i];
     }
 }
-(_a = ["'\ud83d\udca9'", "'\ud83d\udca9'"], _a.raw = ["'\\u{1f4a9}'", "'\\uD83D\\uDCA9'"], f(_a, " should be converted to "));
+(_a = ["'\uD83D\uDCA9'", "'\uD83D\uDCA9'"], _a.raw = ["'\\u{1f4a9}'", "'\\uD83D\\uDCA9'"], f(_a, " should be converted to "));
 var _a;

tests/baselines/reference/templateStringControlCharacterEscapes03.js

@@ -4,4 +4,4 @@
 var x = `\x1F\u001f 1F 1f`;
 
 //// [templateStringControlCharacterEscapes03.js]
-var x = "\u001f\u001f 1F 1f";
+var x = "\u001F\u001F 1F 1f";

tests/baselines/reference/templateStringWhitespaceEscapes2.js

@@ -6,4 +6,4 @@
 
 //// [templateStringWhitespaceEscapes2.js]
 // <TAB>, <VT>, <FF>, <SP>, <NBSP>, <BOM>
-"\t\v\f \u00a0\ufeff";
+"\t\v\f \u00A0\uFEFF";

tests/baselines/reference/unicodeExtendedEscapesInTemplates06_ES5.js

@@ -8,4 +8,4 @@ var x = `\u{10FFFF}`;
 //// [unicodeExtendedEscapesInTemplates06_ES5.js]
 // ES6 Spec - 10.1.1 Static Semantics: UTF16Encoding (cp)
 //  1. Assert: 0 ≤ cp ≤ 0x10FFFF.
-var x = "\udbff\udfff";
+var x = "\uDBFF\uDFFF";

tests/baselines/reference/unicodeExtendedEscapesInTemplates08_ES5.js

@@ -10,4 +10,4 @@ var x = `\u{FFFF}`;
 // ES6 Spec - 10.1.1 Static Semantics: UTF16Encoding (cp)
 //  2. If cp ≤ 65535, return cp.
 // (FFFF == 65535)
-var x = "\uffff";
+var x = "\uFFFF";

tests/baselines/reference/unicodeExtendedEscapesInTemplates09_ES5.js

@@ -10,4 +10,4 @@ var x = `\u{10000}`;
 // ES6 Spec - 10.1.1 Static Semantics: UTF16Encoding (cp)
 //  2. If cp ≤ 65535, return cp.
 // (10000 == 65536)
-var x = "\ud800\udc00";
+var x = "\uD800\uDC00";

tests/baselines/reference/unicodeExtendedEscapesInTemplates10_ES5.js

@@ -12,4 +12,4 @@ var x = `\u{D800}`;
 //  2. Let cu1 be floor((cp – 65536) / 1024) + 0xD800.
 // Although we should just get back a single code point value of 0xD800,
 // this is a useful edge-case test.
-var x = "\ud800";
+var x = "\uD800";

tests/baselines/reference/unicodeExtendedEscapesInTemplates11_ES5.js

@@ -12,4 +12,4 @@ var x = `\u{DC00}`;
 //  2. Let cu2 be ((cp – 65536) modulo 1024) + 0xDC00.
 // Although we should just get back a single code point value of 0xDC00,
 // this is a useful edge-case test.
-var x = "\udc00";
+var x = "\uDC00";

tests/baselines/reference/unicodeExtendedEscapesInTemplates13_ES5.js

@@ -4,4 +4,4 @@ var x = `\u{DDDDD}`;
 
 
 //// [unicodeExtendedEscapesInTemplates13_ES5.js]
-var x = "\udb37\udddd";
+var x = "\uDB37\uDDDD";

tests/baselines/reference/unicodeExtendedEscapesInTemplates15_ES5.js

@@ -4,4 +4,4 @@ var x = `\u{abcd}\u{ef12}\u{3456}\u{7890}`;
 
 
 //// [unicodeExtendedEscapesInTemplates15_ES5.js]
-var x = "\uabcd\uef12\u3456\u7890";
+var x = "\uABCD\uEF12\u3456\u7890";

tests/baselines/reference/unicodeExtendedEscapesInTemplates16_ES5.js

@@ -4,4 +4,4 @@ var x = `\u{ABCD}\u{EF12}\u{3456}\u{7890}`;
 
 
 //// [unicodeExtendedEscapesInTemplates16_ES5.js]
-var x = "\uabcd\uef12\u3456\u7890";
+var x = "\uABCD\uEF12\u3456\u7890";