xref: /vim-8.2.3635/src/testdir/test_json.vim (revision 818c9e7e)
1" Test for JSON functions.
2
3" JSON requires using utf-8.  Conversion breaks the asserts, therefore set
4" 'encoding' to utf-8.
5if !has('multi_byte')
6  finish
7endif
8set encoding=utf-8
9scriptencoding utf-8
10
11let s:json1 = '"str\"in\\g"'
12let s:var1 = "str\"in\\g"
13let s:json2 = '"\u0001\u0002\u0003\u0004\u0005\u0006\u0007"'
14let s:var2 = "\x01\x02\x03\x04\x05\x06\x07"
15let s:json3 = '"\b\t\n\u000b\f\r\u000e\u000f"'
16let s:var3 = "\x08\x09\x0a\x0b\x0c\x0d\x0e\x0f"
17let s:json4 = '"\u0010\u0011\u0012\u0013\u0014\u0015\u0016\u0017"'
18let s:var4 = "\x10\x11\x12\x13\x14\x15\x16\x17"
19let s:json5 = '"\u0018\u0019\u001a\u001b\u001c\u001d\u001e\u001f"'
20let s:var5 = "\x18\x19\x1a\x1b\x1c\x1d\x1e\x1f"
21
22" surrogate pair
23let s:jsonsp1 = '"\ud83c\udf63"'
24let s:varsp1 = "\xf0\x9f\x8d\xa3"
25let s:jsonsp2 = '"\ud83c\u00a0"'
26let s:varsp2 = "\ud83c\u00a0"
27
28let s:jsonmb = '"s¢cĴgё"'
29let s:varmb = "s¢cĴgё"
30let s:jsonnr = '1234'
31let s:varnr = 1234
32if has('float')
33  let s:jsonfl = '12.34'
34  let s:varfl = 12.34
35  let s:jsoninf = 'Infinity'
36  let s:varinf = 1.0 / 0.0
37  let s:jsonnan = 'NaN'
38  let s:varnan = 0.0 / 0.0
39endif
40
41let s:jsonl1 = '[1,"a",3]'
42let s:varl1 = [1, "a", 3]
43let s:jsonl2 = '[1,["a",[],"c"],3]'
44let s:jsonl2s = "  [\r1  ,  [  \"a\"  ,  [  ]  ,  \"c\"  ]  ,  3\<Tab>]\r\n"
45let s:varl2 = [1, 2, 3]
46let l2 = ['a', s:varl2, 'c']
47let s:varl2[1] = l2
48let s:varl2x = [1, ["a", [], "c"], 3]
49let s:jsonl3 = '[[1,2],[1,2]]'
50let l3 = [1, 2]
51let s:varl3 = [l3, l3]
52
53let s:jsond1 = '{"a":1,"b":"bee","c":[1,2]}'
54let s:jsd1 = '{a:1,b:"bee",c:[1,2]}'
55let s:vard1 = {"a": 1, "b": "bee","c": [1,2]}
56let s:jsond2 = '{"1":1,"2":{"a":"aa","b":{},"c":"cc"},"3":3}'
57let s:jsd2 = '{"1":1,"2":{a:"aa",b:{},c:"cc"},"3":3}'
58let s:jsond2s = "  { \"1\" : 1 , \"2\" :\n{ \"a\"\r: \"aa\" , \"b\" : {\<Tab>} , \"c\" : \"cc\" } , \"3\" : 3 }\r\n"
59let s:jsd2s = "  { \"1\" : 1 , \"2\" :\n{ a\r: \"aa\" , b : {\<Tab>} , c : \"cc\" } , \"3\" : 3 }\r\n"
60let s:vard2 = {"1": 1, "2": 2, "3": 3}
61let d2 = {"a": "aa", "b": s:vard2, "c": "cc"}
62let s:vard2["2"] = d2
63let s:vard2x = {"1": 1, "2": {"a": "aa", "b": {}, "c": "cc"}, "3": 3}
64let d3 = {"a": 1, "b": 2}
65let s:vard3 = {"x": d3, "y": d3}
66let s:jsond3 = '{"x":{"a":1,"b":2},"y":{"a":1,"b":2}}'
67let s:jsd3 = '{x:{a:1,b:2},y:{a:1,b:2}}'
68let s:vard4 = {"key": v:none}
69let s:vard4x = {"key": v:null}
70let s:jsond4 = '{"key":null}'
71let s:jsd4 = '{key:null}'
72
73let s:jsonvals = '[true,false,null,null]'
74let s:varvals = [v:true, v:false, v:null, v:null]
75
76func Test_json_encode()
77  call assert_equal(s:json1, json_encode(s:var1))
78  call assert_equal(s:json2, json_encode(s:var2))
79  call assert_equal(s:json3, json_encode(s:var3))
80  call assert_equal(s:json4, json_encode(s:var4))
81  call assert_equal(s:json5, json_encode(s:var5))
82
83  if has('multi_byte')
84    call assert_equal(s:jsonmb, json_encode(s:varmb))
85    " no test for surrogate pair, json_encode() doesn't create them.
86  endif
87
88  call assert_equal(s:jsonnr, json_encode(s:varnr))
89  if has('float')
90    call assert_equal(s:jsonfl, json_encode(s:varfl))
91    call assert_equal(s:jsoninf, json_encode(s:varinf))
92    call assert_equal(s:jsonnan, json_encode(s:varnan))
93  endif
94
95  call assert_equal(s:jsonl1, json_encode(s:varl1))
96  call assert_equal(s:jsonl2, json_encode(s:varl2))
97  call assert_equal(s:jsonl3, json_encode(s:varl3))
98
99  call assert_equal(s:jsond1, json_encode(s:vard1))
100  call assert_equal(s:jsond2, json_encode(s:vard2))
101  call assert_equal(s:jsond3, json_encode(s:vard3))
102  call assert_equal(s:jsond4, json_encode(s:vard4))
103
104  call assert_equal(s:jsonvals, json_encode(s:varvals))
105
106  call assert_fails('echo json_encode(function("tr"))', 'E474:')
107  call assert_fails('echo json_encode([function("tr")])', 'E474:')
108
109  silent! let res = json_encode(function("tr"))
110  call assert_equal("", res)
111endfunc
112
113func Test_json_decode()
114  call assert_equal(s:var1, json_decode(s:json1))
115  call assert_equal(s:var2, json_decode(s:json2))
116  call assert_equal(s:var3, json_decode(s:json3))
117  call assert_equal(s:var4, json_decode(s:json4))
118  call assert_equal(s:var5, json_decode(s:json5))
119
120  if has('multi_byte')
121    call assert_equal(s:varmb, json_decode(s:jsonmb))
122    call assert_equal(s:varsp1, json_decode(s:jsonsp1))
123    call assert_equal(s:varsp2, json_decode(s:jsonsp2))
124  endif
125
126  call assert_equal(s:varnr, json_decode(s:jsonnr))
127  if has('float')
128    call assert_equal(s:varfl, json_decode(s:jsonfl))
129  endif
130
131  call assert_equal(s:varl1, json_decode(s:jsonl1))
132  call assert_equal(s:varl2x, json_decode(s:jsonl2))
133  call assert_equal(s:varl2x, json_decode(s:jsonl2s))
134  call assert_equal(s:varl3, json_decode(s:jsonl3))
135
136  call assert_equal(s:vard1, json_decode(s:jsond1))
137  call assert_equal(s:vard2x, json_decode(s:jsond2))
138  call assert_equal(s:vard2x, json_decode(s:jsond2s))
139  call assert_equal(s:vard3, json_decode(s:jsond3))
140  call assert_equal(s:vard4x, json_decode(s:jsond4))
141
142  call assert_equal(s:varvals, json_decode(s:jsonvals))
143
144  call assert_equal(v:true, json_decode('true'))
145  call assert_equal(type(v:true), type(json_decode('true')))
146  call assert_equal(v:none, json_decode(''))
147  call assert_equal(type(v:none), type(json_decode('')))
148  call assert_equal("", json_decode('""'))
149
150  call assert_equal({'n': 1}, json_decode('{"n":1,}'))
151
152  call assert_fails('call json_decode("\"")', "E474:")
153  call assert_fails('call json_decode("blah")', "E474:")
154  call assert_fails('call json_decode("true blah")', "E474:")
155  call assert_fails('call json_decode("<foobar>")', "E474:")
156
157  call assert_fails('call json_decode("{")', "E474:")
158  call assert_fails('call json_decode("{foobar}")', "E474:")
159  call assert_fails('call json_decode("{\"n\",")', "E474:")
160  call assert_fails('call json_decode("{\"n\":")', "E474:")
161  call assert_fails('call json_decode("{\"n\":1")', "E474:")
162  call assert_fails('call json_decode("{\"n\":1,")', "E474:")
163  call assert_fails('call json_decode("{\"n\",1}")', "E474:")
164  call assert_fails('call json_decode("{-}")', "E474:")
165
166  call assert_fails('call json_decode("[foobar]")', "E474:")
167  call assert_fails('call json_decode("[")', "E474:")
168  call assert_fails('call json_decode("[1")', "E474:")
169  call assert_fails('call json_decode("[1,")', "E474:")
170  call assert_fails('call json_decode("[1 2]")', "E474:")
171
172  call assert_fails('call json_decode("[1,,2]")', "E474:")
173endfunc
174
175let s:jsl5 = '[7,,,]'
176let s:varl5 = [7, v:none, v:none]
177
178func Test_js_encode()
179  call assert_equal(s:json1, js_encode(s:var1))
180  call assert_equal(s:json2, js_encode(s:var2))
181  call assert_equal(s:json3, js_encode(s:var3))
182  call assert_equal(s:json4, js_encode(s:var4))
183  call assert_equal(s:json5, js_encode(s:var5))
184
185  if has('multi_byte')
186    call assert_equal(s:jsonmb, js_encode(s:varmb))
187    " no test for surrogate pair, js_encode() doesn't create them.
188  endif
189
190  call assert_equal(s:jsonnr, js_encode(s:varnr))
191  if has('float')
192    call assert_equal(s:jsonfl, js_encode(s:varfl))
193    call assert_equal(s:jsoninf, js_encode(s:varinf))
194    call assert_equal(s:jsonnan, js_encode(s:varnan))
195  endif
196
197  call assert_equal(s:jsonl1, js_encode(s:varl1))
198  call assert_equal(s:jsonl2, js_encode(s:varl2))
199  call assert_equal(s:jsonl3, js_encode(s:varl3))
200
201  call assert_equal(s:jsd1, js_encode(s:vard1))
202  call assert_equal(s:jsd2, js_encode(s:vard2))
203  call assert_equal(s:jsd3, js_encode(s:vard3))
204  call assert_equal(s:jsd4, js_encode(s:vard4))
205
206  call assert_equal(s:jsonvals, js_encode(s:varvals))
207
208  call assert_fails('echo js_encode(function("tr"))', 'E474:')
209  call assert_fails('echo js_encode([function("tr")])', 'E474:')
210
211  silent! let res = js_encode(function("tr"))
212  call assert_equal("", res)
213
214  call assert_equal(s:jsl5, js_encode(s:varl5))
215endfunc
216
217func Test_js_decode()
218  call assert_equal(s:var1, js_decode(s:json1))
219  call assert_equal(s:var2, js_decode(s:json2))
220  call assert_equal(s:var3, js_decode(s:json3))
221  call assert_equal(s:var4, js_decode(s:json4))
222  call assert_equal(s:var5, js_decode(s:json5))
223
224  if has('multi_byte')
225    call assert_equal(s:varmb, js_decode(s:jsonmb))
226    call assert_equal(s:varsp1, js_decode(s:jsonsp1))
227    call assert_equal(s:varsp2, js_decode(s:jsonsp2))
228  endif
229
230  call assert_equal(s:varnr, js_decode(s:jsonnr))
231  if has('float')
232    call assert_equal(s:varfl, js_decode(s:jsonfl))
233    call assert_equal(s:varinf, js_decode(s:jsoninf))
234    call assert_true(isnan(js_decode(s:jsonnan)))
235  endif
236
237  call assert_equal(s:varl1, js_decode(s:jsonl1))
238  call assert_equal(s:varl2x, js_decode(s:jsonl2))
239  call assert_equal(s:varl2x, js_decode(s:jsonl2s))
240  call assert_equal(s:varl3, js_decode(s:jsonl3))
241
242  call assert_equal(s:vard1, js_decode(s:jsond1))
243  call assert_equal(s:vard1, js_decode(s:jsd1))
244  call assert_equal(s:vard2x, js_decode(s:jsond2))
245  call assert_equal(s:vard2x, js_decode(s:jsd2))
246  call assert_equal(s:vard2x, js_decode(s:jsond2s))
247  call assert_equal(s:vard2x, js_decode(s:jsd2s))
248  call assert_equal(s:vard3, js_decode(s:jsond3))
249  call assert_equal(s:vard3, js_decode(s:jsd3))
250  call assert_equal(s:vard4x, js_decode(s:jsond4))
251  call assert_equal(s:vard4x, js_decode(s:jsd4))
252
253  call assert_equal(s:varvals, js_decode(s:jsonvals))
254
255  call assert_equal(v:true, js_decode('true'))
256  call assert_equal(type(v:true), type(js_decode('true')))
257  call assert_equal(v:none, js_decode(''))
258  call assert_equal(type(v:none), type(js_decode('')))
259  call assert_equal("", js_decode('""'))
260
261  call assert_equal({'n': 1}, js_decode('{"n":1,}'))
262
263  call assert_fails('call js_decode("\"")', "E474:")
264  call assert_fails('call js_decode("blah")', "E474:")
265  call assert_fails('call js_decode("true blah")', "E474:")
266  call assert_fails('call js_decode("<foobar>")', "E474:")
267
268  call assert_fails('call js_decode("{")', "E474:")
269  call assert_fails('call js_decode("{foobar}")', "E474:")
270  call assert_fails('call js_decode("{\"n\",")', "E474:")
271  call assert_fails('call js_decode("{\"n\":")', "E474:")
272  call assert_fails('call js_decode("{\"n\":1")', "E474:")
273  call assert_fails('call js_decode("{\"n\":1,")', "E474:")
274  call assert_fails('call js_decode("{\"n\",1}")', "E474:")
275  call assert_fails('call js_decode("{-}")', "E474:")
276
277  call assert_fails('call js_decode("[foobar]")', "E474:")
278  call assert_fails('call js_decode("[")', "E474:")
279  call assert_fails('call js_decode("[1")', "E474:")
280  call assert_fails('call js_decode("[1,")', "E474:")
281  call assert_fails('call js_decode("[1 2]")', "E474:")
282
283  call assert_equal(s:varl5, js_decode(s:jsl5))
284endfunc
285