[njs] Updated the list of space separators in String.prototype.trim().

[Valentin Bartenev]

details:   https://hg.nginx.org/njs/rev/ac39f4c902b5
branches:  
changeset: 1078:ac39f4c902b5
user:      Valentin Bartenev <vbart at nginx.com>
date:      Sun Jul 28 13:17:13 2019 +0300
description:
Updated the list of space separators in String.prototype.trim().

According to the specification it must include all Unicode code points listed
in the "Space_Separator" (Zs) category.

diffstat:

 njs/njs_string.c         |  30 ++++++++++++++++++++++++++++++
 njs/test/njs_unit_test.c |  10 ++++++++++
 2 files changed, 40 insertions(+), 0 deletions(-)

diffs (71 lines):

diff -r 575c018f2206 -r ac39f4c902b5 njs/njs_string.c
--- a/njs/njs_string.c	Sat Jul 27 21:12:32 2019 +0300
+++ b/njs/njs_string.c	Sun Jul 28 13:17:13 2019 +0300
@@ -2425,8 +2425,23 @@ njs_string_prototype_trim(njs_vm_t *vm, 
             case 0x000D:  /* <CR>   */
             case 0x0020:  /* <SP>   */
             case 0x00A0:  /* <NBSP> */
+            case 0x1680:
+            case 0x2000:
+            case 0x2001:
+            case 0x2002:
+            case 0x2003:
+            case 0x2004:
+            case 0x2005:
+            case 0x2006:
+            case 0x2007:
+            case 0x2008:
+            case 0x2009:
+            case 0x200A:
             case 0x2028:  /* <LS>   */
             case 0x2029:  /* <PS>   */
+            case 0x202F:
+            case 0x205F:
+            case 0x3000:
             case 0xFEFF:  /* <BOM>  */
                 trim++;
                 continue;
@@ -2448,8 +2463,23 @@ njs_string_prototype_trim(njs_vm_t *vm, 
                     case 0x000D:  /* <CR>   */
                     case 0x0020:  /* <SP>   */
                     case 0x00A0:  /* <NBSP> */
+                    case 0x1680:
+                    case 0x2000:
+                    case 0x2001:
+                    case 0x2002:
+                    case 0x2003:
+                    case 0x2004:
+                    case 0x2005:
+                    case 0x2006:
+                    case 0x2007:
+                    case 0x2008:
+                    case 0x2009:
+                    case 0x200A:
                     case 0x2028:  /* <LS>   */
                     case 0x2029:  /* <PS>   */
+                    case 0x202F:
+                    case 0x205F:
+                    case 0x3000:
                     case 0xFEFF:  /* <BOM>  */
                         trim++;
                         continue;
diff -r 575c018f2206 -r ac39f4c902b5 njs/test/njs_unit_test.c
--- a/njs/test/njs_unit_test.c	Sat Jul 27 21:12:32 2019 +0300
+++ b/njs/test/njs_unit_test.c	Sun Jul 28 13:17:13 2019 +0300
@@ -5653,6 +5653,16 @@ static njs_unit_test_t  njs_test[] =
     { nxt_string("'\\u2029abc\\uFEFF\\u2028'.trim()"),
       nxt_string("abc") },
 
+#if (!NXT_HAVE_MEMORY_SANITIZER) /* very long test under MSAN */
+    { nxt_string("var a = [], code;"
+                 "for (code = 0; code <= 1114111; code++) {"
+                 "    var ws = String.fromCodePoint(code);"
+                 "    if ((ws + '-' + ws).trim() === '-')"
+                 "        a.push(code);"
+                 "} a"),
+      nxt_string("9,10,11,12,13,32,160,5760,8192,8193,8194,8195,8196,8197,8198,8199,8200,8201,8202,8232,8233,8239,8287,12288,65279") },
+#endif
+
     { nxt_string("'abcdefgh'.search()"),
       nxt_string("0") },