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patch 8.2.2488: json_encode() gives generic argument error

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Problem:    json_encode() gives generic argument error.
Solution:   Mention the type that can't be encoded. (issue #7802)
This commit is contained in:
Bram Moolenaar
2021-02-08 21:53:09 +01:00
parent 4549dad874
commit a853089479
4 changed files with 9 additions and 6 deletions
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2
src/errors.h
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@@ -357,3 +357,5 @@ EXTERN char e_cannot_split_window_when_closing_buffer[]
INIT(= N_("E1159: Cannot split a window when closing the buffer"));
EXTERN char e_cannot_use_default_for_variable_arguments[]
INIT(= N_("E1160: Cannot use a default for variable arguments"));
EXTERN char e_cannot_json_encode_str[]
INIT(= N_("E1161: Cannot json encode a %s"));

3
src/json.c
View File

@@ -230,8 +230,7 @@ json_encode_item(garray_T *gap, typval_T *val, int copyID, int options)
case VAR_PARTIAL:
case VAR_JOB:
case VAR_CHANNEL:
// no JSON equivalent TODO: better error
emsg(_(e_invarg));
semsg(_(e_cannot_json_encode_str), vartype_name(val->v_type));
return FAIL;
case VAR_BLOB:

8
src/testdir/test_json.vim
View File

@@ -107,8 +107,8 @@ func Test_json_encode()
call assert_equal('"café"', json_encode("caf\xe9"))
let &encoding = save_encoding
call assert_fails('echo json_encode(function("tr"))', 'E474:')
call assert_fails('echo json_encode([function("tr")])', 'E474:')
call assert_fails('echo json_encode(function("tr"))', 'E1161: Cannot json encode a func')
call assert_fails('echo json_encode([function("tr")])', 'E1161: Cannot json encode a func')
call assert_equal('{"a":""}', json_encode({'a': test_null_string()}))
call assert_equal('{"a":[]}', json_encode({"a": test_null_list()}))
@@ -246,8 +246,8 @@ func Test_js_encode()
call assert_equal(s:jsonvals, js_encode(s:varvals))
call assert_fails('echo js_encode(function("tr"))', 'E474:')
call assert_fails('echo js_encode([function("tr")])', 'E474:')
call assert_fails('echo js_encode(function("tr"))', 'E1161: Cannot json encode a func')
call assert_fails('echo js_encode([function("tr")])', 'E1161: Cannot json encode a func')
silent! let res = js_encode(function("tr"))
call assert_equal("", res)

2
src/version.c
View File

@@ -750,6 +750,8 @@ static char *(features[]) =
static int included_patches[] =
{ /* Add new patch number below this line */
/**/
2488,
/**/
2487,
/**/