xref: /vim-8.2.3635/src/testdir/test_json.vim (revision 5f1920ad)
1" Test for JSON functions.
2
3let s:json1 = '"str\"in\\g"'
4let s:var1 = "str\"in\\g"
5let s:json2 = '"\u0001\u0002\u0003\u0004\u0005\u0006\u0007"'
6let s:var2 = "\x01\x02\x03\x04\x05\x06\x07"
7let s:json3 = '"\b\t\n\u000b\f\r\u000e\u000f"'
8let s:var3 = "\x08\x09\x0a\x0b\x0c\x0d\x0e\x0f"
9let s:json4 = '"\u0010\u0011\u0012\u0013\u0014\u0015\u0016\u0017"'
10let s:var4 = "\x10\x11\x12\x13\x14\x15\x16\x17"
11let s:json5 = '"\u0018\u0019\u001a\u001b\u001c\u001d\u001e\u001f"'
12let s:var5 = "\x18\x19\x1a\x1b\x1c\x1d\x1e\x1f"
13
14" surrogate pair
15let s:jsonsp1 = '"\ud83c\udf63"'
16let s:varsp1 = "\xf0\x9f\x8d\xa3"
17let s:jsonsp2 = '"\ud83c\u00a0"'
18let s:varsp2 = "\ud83c\u00a0"
19
20let s:jsonmb = '"s¢cĴgё"'
21let s:varmb = "s¢cĴgё"
22let s:jsonnr = '1234'
23let s:varnr = 1234
24if has('float')
25  let s:jsonfl = '12.34'
26  let s:varfl = 12.34
27  let s:jsonneginf = '-Infinity'
28  let s:jsonposinf = 'Infinity'
29  let s:varneginf = -1.0 / 0.0
30  let s:varposinf = 1.0 / 0.0
31  let s:jsonnan = 'NaN'
32  let s:varnan = 0.0 / 0.0
33endif
34
35let s:jsonl1 = '[1,"a",3]'
36let s:varl1 = [1, "a", 3]
37let s:jsonl2 = '[1,["a",[],"c"],3]'
38let s:jsonl2s = "  [\r1  ,  [  \"a\"  ,  [  ]  ,  \"c\"  ]  ,  3\<Tab>]\r\n"
39let s:varl2 = [1, 2, 3]
40let l2 = ['a', s:varl2, 'c']
41let s:varl2[1] = l2
42let s:varl2x = [1, ["a", [], "c"], 3]
43let s:jsonl3 = '[[1,2],[1,2]]'
44let l3 = [1, 2]
45let s:varl3 = [l3, l3]
46
47let s:jsond1 = '{"a":1,"b":"bee","c":[1,2]}'
48let s:jsd1 = '{a:1,b:"bee",c:[1,2]}'
49let s:vard1 = {"a": 1, "b": "bee","c": [1,2]}
50let s:jsond2 = '{"1":1,"2":{"a":"aa","b":{},"c":"cc"},"3":3}'
51let s:jsd2 = '{"1":1,"2":{a:"aa",b:{},c:"cc"},"3":3}'
52let s:jsond2s = "  { \"1\" : 1 , \"2\" :\n{ \"a\"\r: \"aa\" , \"b\" : {\<Tab>} , \"c\" : \"cc\" } , \"3\" : 3 }\r\n"
53let s:jsd2s = "  { \"1\" : 1 , \"2\" :\n{ a\r: \"aa\" , b : {\<Tab>} , c : \"cc\" } , \"3\" : 3 }\r\n"
54let s:vard2 = {"1": 1, "2": 2, "3": 3}
55let d2 = {"a": "aa", "b": s:vard2, "c": "cc"}
56let s:vard2["2"] = d2
57let s:vard2x = {"1": 1, "2": {"a": "aa", "b": {}, "c": "cc"}, "3": 3}
58let d3 = {"a": 1, "b": 2}
59let s:vard3 = {"x": d3, "y": d3}
60let s:jsond3 = '{"x":{"a":1,"b":2},"y":{"a":1,"b":2}}'
61let s:jsd3 = '{x:{a:1,b:2},y:{a:1,b:2}}'
62let s:vard4 = {"key": v:none}
63let s:vard4x = {"key": v:null}
64let s:jsond4 = '{"key":null}'
65let s:jsd4 = '{key:null}'
66
67let s:jsonvals = '[true,false,null,null]'
68let s:varvals = [v:true, v:false, v:null, v:null]
69
70func Test_json_encode()
71  call assert_equal(s:json1, json_encode(s:var1))
72  call assert_equal(s:json2, json_encode(s:var2))
73  call assert_equal(s:json3, s:var3->json_encode())
74  call assert_equal(s:json4, json_encode(s:var4))
75  call assert_equal(s:json5, json_encode(s:var5))
76
77  call assert_equal(s:jsonmb, json_encode(s:varmb))
78  " no test for surrogate pair, json_encode() doesn't create them.
79
80  call assert_equal(s:jsonnr, json_encode(s:varnr))
81  if has('float')
82    call assert_equal(s:jsonfl, json_encode(s:varfl))
83    call assert_equal(s:jsonneginf, json_encode(s:varneginf))
84    call assert_equal(s:jsonposinf, json_encode(s:varposinf))
85    call assert_equal(s:jsonnan, json_encode(s:varnan))
86  endif
87
88  call assert_equal(s:jsonl1, json_encode(s:varl1))
89  call assert_equal(s:jsonl2, json_encode(s:varl2))
90  call assert_equal(s:jsonl3, json_encode(s:varl3))
91
92  call assert_equal(s:jsond1, json_encode(s:vard1))
93  call assert_equal(s:jsond2, json_encode(s:vard2))
94  call assert_equal(s:jsond3, json_encode(s:vard3))
95  call assert_equal(s:jsond4, json_encode(s:vard4))
96
97  call assert_equal(s:jsonvals, json_encode(s:varvals))
98
99  call assert_fails('echo json_encode(function("tr"))', 'E474:')
100  call assert_fails('echo json_encode([function("tr")])', 'E474:')
101
102  call assert_equal('{"a":""}', json_encode({'a': test_null_string()}))
103  call assert_equal('{"a":[]}', json_encode({"a": test_null_list()}))
104  call assert_equal('{"a":{}}', json_encode({"a": test_null_dict()}))
105
106  silent! let res = json_encode(function("tr"))
107  call assert_equal("", res)
108endfunc
109
110func Test_json_decode()
111  call assert_equal(s:var1, json_decode(s:json1))
112  call assert_equal(s:var2, json_decode(s:json2))
113  call assert_equal(s:var3, s:json3->json_decode())
114  call assert_equal(s:var4, json_decode(s:json4))
115  call assert_equal(s:var5, json_decode(s:json5))
116
117  call assert_equal(s:varmb, json_decode(s:jsonmb))
118  call assert_equal(s:varsp1, json_decode(s:jsonsp1))
119  call assert_equal(s:varsp2, json_decode(s:jsonsp2))
120
121  call assert_equal(s:varnr, json_decode(s:jsonnr))
122  if has('float')
123    call assert_equal(s:varfl, json_decode(s:jsonfl))
124  endif
125
126  call assert_equal(s:varl1, json_decode(s:jsonl1))
127  call assert_equal(s:varl2x, json_decode(s:jsonl2))
128  call assert_equal(s:varl2x, json_decode(s:jsonl2s))
129  call assert_equal(s:varl3, json_decode(s:jsonl3))
130
131  call assert_equal(s:vard1, json_decode(s:jsond1))
132  call assert_equal(s:vard2x, json_decode(s:jsond2))
133  call assert_equal(s:vard2x, json_decode(s:jsond2s))
134  call assert_equal(s:vard3, json_decode(s:jsond3))
135  call assert_equal(s:vard4x, json_decode(s:jsond4))
136
137  call assert_equal(s:varvals, json_decode(s:jsonvals))
138
139  call assert_equal(v:true, json_decode('true'))
140  call assert_equal(type(v:true), type(json_decode('true')))
141  call assert_equal(v:none, json_decode(''))
142  call assert_equal(type(v:none), type(json_decode('')))
143  call assert_equal("", json_decode('""'))
144
145  " empty key is OK
146  call assert_equal({'': 'ok'}, json_decode('{"": "ok"}'))
147  " but not twice
148  call assert_fails("call json_decode('{\"\": \"ok\", \"\": \"bad\"}')", 'E938:')
149
150  call assert_equal({'n': 1}, json_decode('{"n":1,}'))
151  call assert_fails("call json_decode(\"{'n':'1',}\")", 'E474:')
152  call assert_fails("call json_decode(\"'n'\")", 'E474:')
153
154  call assert_fails('call json_decode("\"")', "E474:")
155  call assert_fails('call json_decode("blah")', "E474:")
156  call assert_fails('call json_decode("true blah")', "E488:")
157  call assert_fails('call json_decode("<foobar>")', "E474:")
158  call assert_fails('call json_decode("{\"a\":1,\"a\":2}")', "E938:")
159
160  call assert_fails('call json_decode("{")', "E474:")
161  call assert_fails('call json_decode("{foobar}")', "E474:")
162  call assert_fails('call json_decode("{\"n\",")', "E474:")
163  call assert_fails('call json_decode("{\"n\":")', "E474:")
164  call assert_fails('call json_decode("{\"n\":1")', "E474:")
165  call assert_fails('call json_decode("{\"n\":1,")', "E474:")
166  call assert_fails('call json_decode("{\"n\",1}")', "E474:")
167  call assert_fails('call json_decode("{-}")', "E474:")
168
169  call assert_fails('call json_decode("[foobar]")', "E474:")
170  call assert_fails('call json_decode("[")', "E474:")
171  call assert_fails('call json_decode("[1")', "E474:")
172  call assert_fails('call json_decode("[1,")', "E474:")
173  call assert_fails('call json_decode("[1 2]")', "E474:")
174
175  call assert_fails('call json_decode("[1,,2]")', "E474:")
176
177  call assert_fails('call json_decode("{{}:42}")', "E474:")
178  call assert_fails('call json_decode("{[]:42}")', "E474:")
179
180  call assert_fails('call json_decode("\"\\u111Z\"")', 'E474:')
181  call assert_equal('[��]', json_decode('"[\uD83D\uDE02]"'))
182  call assert_equal('a��b', json_decode('"a\uD83D\uDE02b"'))
183endfunc
184
185let s:jsl5 = '[7,,,]'
186let s:varl5 = [7, v:none, v:none]
187
188func Test_js_encode()
189  call assert_equal(s:json1, js_encode(s:var1))
190  call assert_equal(s:json2, js_encode(s:var2))
191  call assert_equal(s:json3, s:var3->js_encode())
192  call assert_equal(s:json4, js_encode(s:var4))
193  call assert_equal(s:json5, js_encode(s:var5))
194
195  call assert_equal(s:jsonmb, js_encode(s:varmb))
196  " no test for surrogate pair, js_encode() doesn't create them.
197
198  call assert_equal(s:jsonnr, js_encode(s:varnr))
199  if has('float')
200    call assert_equal(s:jsonfl, js_encode(s:varfl))
201    call assert_equal(s:jsonneginf, js_encode(s:varneginf))
202    call assert_equal(s:jsonposinf, js_encode(s:varposinf))
203    call assert_equal(s:jsonnan, js_encode(s:varnan))
204  endif
205
206  call assert_equal(s:jsonl1, js_encode(s:varl1))
207  call assert_equal(s:jsonl2, js_encode(s:varl2))
208  call assert_equal(s:jsonl3, js_encode(s:varl3))
209
210  call assert_equal(s:jsd1, js_encode(s:vard1))
211  call assert_equal(s:jsd2, js_encode(s:vard2))
212  call assert_equal(s:jsd3, js_encode(s:vard3))
213  call assert_equal(s:jsd4, js_encode(s:vard4))
214
215  call assert_equal(s:jsonvals, js_encode(s:varvals))
216
217  call assert_fails('echo js_encode(function("tr"))', 'E474:')
218  call assert_fails('echo js_encode([function("tr")])', 'E474:')
219
220  silent! let res = js_encode(function("tr"))
221  call assert_equal("", res)
222
223  call assert_equal(s:jsl5, js_encode(s:varl5))
224endfunc
225
226func Test_js_decode()
227  call assert_equal(s:var1, js_decode(s:json1))
228  call assert_equal(s:var2, js_decode(s:json2))
229  call assert_equal(s:var3, s:json3->js_decode())
230  call assert_equal(s:var4, js_decode(s:json4))
231  call assert_equal(s:var5, js_decode(s:json5))
232
233  call assert_equal(s:varmb, js_decode(s:jsonmb))
234  call assert_equal(s:varsp1, js_decode(s:jsonsp1))
235  call assert_equal(s:varsp2, js_decode(s:jsonsp2))
236
237  call assert_equal(s:varnr, js_decode(s:jsonnr))
238  if has('float')
239    call assert_equal(s:varfl, js_decode(s:jsonfl))
240    call assert_equal(s:varneginf, js_decode(s:jsonneginf))
241    call assert_equal(s:varposinf, js_decode(s:jsonposinf))
242    call assert_true(isnan(js_decode(s:jsonnan)))
243  endif
244
245  call assert_equal(s:varl1, js_decode(s:jsonl1))
246  call assert_equal(s:varl2x, js_decode(s:jsonl2))
247  call assert_equal(s:varl2x, js_decode(s:jsonl2s))
248  call assert_equal(s:varl3, js_decode(s:jsonl3))
249
250  call assert_equal(s:vard1, js_decode(s:jsond1))
251  call assert_equal(s:vard1, js_decode(s:jsd1))
252  call assert_equal(s:vard2x, js_decode(s:jsond2))
253  call assert_equal(s:vard2x, js_decode(s:jsd2))
254  call assert_equal(s:vard2x, js_decode(s:jsond2s))
255  call assert_equal(s:vard2x, js_decode(s:jsd2s))
256  call assert_equal(s:vard3, js_decode(s:jsond3))
257  call assert_equal(s:vard3, js_decode(s:jsd3))
258  call assert_equal(s:vard4x, js_decode(s:jsond4))
259  call assert_equal(s:vard4x, js_decode(s:jsd4))
260
261  call assert_equal(s:varvals, js_decode(s:jsonvals))
262
263  call assert_equal(v:true, js_decode('true'))
264  call assert_equal(type(v:true), type(js_decode('true')))
265  call assert_equal(v:none, js_decode(''))
266  call assert_equal(type(v:none), type(js_decode('')))
267  call assert_equal("", js_decode('""'))
268  call assert_equal("", js_decode("''"))
269
270  call assert_equal('n', js_decode("'n'"))
271  call assert_equal({'n': 1}, js_decode('{"n":1,}'))
272  call assert_equal({'n': '1'}, js_decode("{'n':'1',}"))
273
274  call assert_fails('call js_decode("\"")', "E474:")
275  call assert_fails('call js_decode("blah")', "E474:")
276  call assert_fails('call js_decode("true blah")', "E474:")
277  call assert_fails('call js_decode("<foobar>")', "E474:")
278
279  call assert_fails('call js_decode("{")', "E474:")
280  call assert_fails('call js_decode("{foobar}")', "E474:")
281  call assert_fails('call js_decode("{\"n\",")', "E474:")
282  call assert_fails('call js_decode("{\"n\":")', "E474:")
283  call assert_fails('call js_decode("{\"n\":1")', "E474:")
284  call assert_fails('call js_decode("{\"n\":1,")', "E474:")
285  call assert_fails('call js_decode("{\"n\",1}")', "E474:")
286  call assert_fails('call js_decode("{-}")', "E474:")
287
288  call assert_fails('call js_decode("[foobar]")', "E474:")
289  call assert_fails('call js_decode("[")', "E474:")
290  call assert_fails('call js_decode("[1")', "E474:")
291  call assert_fails('call js_decode("[1,")', "E474:")
292  call assert_fails('call js_decode("[1 2]")', "E474:")
293
294  call assert_equal(s:varl5, js_decode(s:jsl5))
295endfunc
296
297func Test_json_encode_long()
298  " The growarray uses a grow size of 4000, check that a result that is exactly
299  " 4000 bytes long is not missing the final NUL.
300  let json = json_encode([repeat('a', 3996)])
301  call assert_equal(4000, len(json))
302endfunc
303