Hi Bram,

2016/2/28 Sun 2:41:47 UTC+9 Bram Moolenaar wrote:
> Patch 7.4.1434
> Problem:    JSON encoding doesn't hanel surrogate pair.
> Solution:   Improve multi-byte handling of JSON. (Yasuhiro Matsumoto)
> Files:      src/json.c, src/testdir/test_json.vim

> ***************
> *** 69,74 ****
> --- 75,82 ----
>   
>     if has('multi_byte')
>       call assert_equal(s:jsonmb, json_encode(s:varmb))
> +     call assert_equal(s:varsp1, json_decode(s:jsonsp1))
> +     call assert_equal(s:varsp2, json_decode(s:jsonsp2))
>     endif
>   
>     call assert_equal(s:jsonnr, json_encode(s:varnr))
> ***************
> *** 105,110 ****
> --- 113,120 ----
>   
>     if has('multi_byte')
>       call assert_equal(s:varmb, json_decode(s:jsonmb))
> +     call assert_equal(s:varsp1, js_decode(s:jsonsp1))
> +     call assert_equal(s:varsp2, js_decode(s:jsonsp2))
>     endif
>   
>     call assert_equal(s:varnr, json_decode(s:jsonnr))

The tests are added in wrong functions.
They should be:

--- a/src/testdir/test_json.vim
+++ b/src/testdir/test_json.vim
@@ -82,8 +82,8 @@ func Test_json_encode()
 
   if has('multi_byte')
     call assert_equal(s:jsonmb, json_encode(s:varmb))
-    call assert_equal(s:varsp1, json_decode(s:jsonsp1))
-    call assert_equal(s:varsp2, json_decode(s:jsonsp2))
+    "call assert_equal(s:jsonsp1, json_encode(s:varsp1))
+    "call assert_equal(s:jsonsp2, json_encode(s:varsp2))
   endif
 
   call assert_equal(s:jsonnr, json_encode(s:varnr))
@@ -120,8 +120,8 @@ func Test_json_decode()
 
   if has('multi_byte')
     call assert_equal(s:varmb, json_decode(s:jsonmb))
-    call assert_equal(s:varsp1, js_decode(s:jsonsp1))
-    call assert_equal(s:varsp2, js_decode(s:jsonsp2))
+    call assert_equal(s:varsp1, json_decode(s:jsonsp1))
+    call assert_equal(s:varsp2, json_decode(s:jsonsp2))
   endif
 
   call assert_equal(s:varnr, json_decode(s:jsonnr))
@@ -185,6 +185,8 @@ func Test_js_encode()
 
   if has('multi_byte')
     call assert_equal(s:jsonmb, js_encode(s:varmb))
+    "call assert_equal(s:jsonsp1, js_encode(s:varsp1))
+    "call assert_equal(s:jsonsp2, js_encode(s:varsp2))
   endif
 
   call assert_equal(s:jsonnr, js_encode(s:varnr))
@@ -223,6 +225,8 @@ func Test_js_decode()
 
   if has('multi_byte')
     call assert_equal(s:varmb, js_decode(s:jsonmb))
+    call assert_equal(s:varsp1, js_decode(s:jsonsp1))
+    call assert_equal(s:varsp2, js_decode(s:jsonsp2))
   endif
 
   call assert_equal(s:varnr, js_decode(s:jsonnr))


I added js*_encode tests as comment lines, because js*_encode doesn't
seem to support surrogate pairs.

Regards,
Ken Takata

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