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annotate src/testdir/test_json.vim @ 24680:0072259ad95a

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Added tag v8.2.2878 for changeset 80422f66978abad7721d5055d63015920b67c009
author Bram Moolenaar <Bram@vim.org>
date Sat, 22 May 2021 21:45:03 +0200
parents 650070143c56
children 0860b12c5788
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 " Test for JSON functions.
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2
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3 let s:json1 = '"str\"in\\g"'
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4 let s:var1 = "str\"in\\g"
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5 let s:json2 = '"\u0001\u0002\u0003\u0004\u0005\u0006\u0007"'
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6 let s:var2 = "\x01\x02\x03\x04\x05\x06\x07"
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7 let s:json3 = '"\b\t\n\u000b\f\r\u000e\u000f"'
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8 let s:var3 = "\x08\x09\x0a\x0b\x0c\x0d\x0e\x0f"
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9 let s:json4 = '"\u0010\u0011\u0012\u0013\u0014\u0015\u0016\u0017"'
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10 let s:var4 = "\x10\x11\x12\x13\x14\x15\x16\x17"
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11 let s:json5 = '"\u0018\u0019\u001a\u001b\u001c\u001d\u001e\u001f"'
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12 let s:var5 = "\x18\x19\x1a\x1b\x1c\x1d\x1e\x1f"
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13
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14 " surrogate pair
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15 let s:jsonsp1 = '"\ud83c\udf63"'
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16 let s:varsp1 = "\xf0\x9f\x8d\xa3"
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17 let s:jsonsp2 = '"\ud83c\u00a0"'
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18 let s:varsp2 = "\ud83c\u00a0"
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19
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20 let s:jsonmb = '"s¢cĴgё"'
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21 let s:varmb = "s¢cĴgё"
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22 let s:jsonnr = '1234'
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23 let s:varnr = 1234
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24 if has('float')
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25 let s:jsonfl = '12.34'
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26 let s:varfl = 12.34
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27 let s:jsonneginf = '-Infinity'
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28 let s:jsonposinf = 'Infinity'
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29 let s:varneginf = -1.0 / 0.0
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30 let s:varposinf = 1.0 / 0.0
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31 let s:jsonnan = 'NaN'
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32 let s:varnan = 0.0 / 0.0
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33 endif
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35 let s:jsonl1 = '[1,"a",3]'
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36 let s:varl1 = [1, "a", 3]
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37 let s:jsonl2 = '[1,["a",[],"c"],3]'
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38 let s:jsonl2s = " [\r1 , [ \"a\" , [ ] , \"c\" ] , 3\<Tab>]\r\n"
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39 let s:varl2 = [1, 2, 3]
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40 let l2 = ['a', s:varl2, 'c']
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41 let s:varl2[1] = l2
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42 let s:varl2x = [1, ["a", [], "c"], 3]
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43 let s:jsonl3 = '[[1,2],[1,2]]'
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44 let l3 = [1, 2]
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45 let s:varl3 = [l3, l3]
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46
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47 let s:jsond1 = '{"a":1,"b":"bee","c":[1,2]}'
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48 let s:jsd1 = '{a:1,b:"bee",c:[1,2]}'
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49 let s:vard1 = {"a": 1, "b": "bee","c": [1,2]}
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50 let s:jsond2 = '{"1":1,"2":{"a":"aa","b":{},"c":"cc"},"3":3}'
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51 let s:jsd2 = '{"1":1,"2":{a:"aa",b:{},c:"cc"},"3":3}'
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52 let s:jsond2s = " { \"1\" : 1 , \"2\" :\n{ \"a\"\r: \"aa\" , \"b\" : {\<Tab>} , \"c\" : \"cc\" } , \"3\" : 3 }\r\n"
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53 let s:jsd2s = " { \"1\" : 1 , \"2\" :\n{ a\r: \"aa\" , b : {\<Tab>} , c : \"cc\" } , \"3\" : 3 }\r\n"
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54 let s:vard2 = {"1": 1, "2": 2, "3": 3}
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55 let d2 = {"a": "aa", "b": s:vard2, "c": "cc"}
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56 let s:vard2["2"] = d2
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57 let s:vard2x = {"1": 1, "2": {"a": "aa", "b": {}, "c": "cc"}, "3": 3}
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58 let d3 = {"a": 1, "b": 2}
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59 let s:vard3 = {"x": d3, "y": d3}
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60 let s:jsond3 = '{"x":{"a":1,"b":2},"y":{"a":1,"b":2}}'
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61 let s:jsd3 = '{x:{a:1,b:2},y:{a:1,b:2}}'
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62 let s:vard4 = {"key": v:none}
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63 let s:vard4x = {"key": v:null}
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64 let s:jsond4 = '{"key":null}'
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65 let s:jsd4 = '{key:null}' " js_encode puts no quotes around simple key.
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66 let s:vard5 = {"key!": v:none}
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67 let s:vard5x = {"key!": v:null}
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68 let s:jsond5 = '{"key!":null}'
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69 let s:jsd5 = '{"key!":null}' " js_encode puts quotes around non-simple key.
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70
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71 let s:jsonvals = '[true,false,null,null]'
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72 let s:varvals = [v:true, v:false, v:null, v:null]
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73
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74 func Test_json_encode()
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75 call assert_equal(s:json1, json_encode(s:var1))
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76 call assert_equal(s:json2, json_encode(s:var2))
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77 call assert_equal(s:json3, s:var3->json_encode())
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78 call assert_equal(s:json4, json_encode(s:var4))
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79 call assert_equal(s:json5, json_encode(s:var5))
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80
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81 call assert_equal(s:jsonmb, json_encode(s:varmb))
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82 " no test for surrogate pair, json_encode() doesn't create them.
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83
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84 call assert_equal(s:jsonnr, json_encode(s:varnr))
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85 if has('float')
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86 call assert_equal(s:jsonfl, json_encode(s:varfl))
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87 call assert_equal(s:jsonneginf, json_encode(s:varneginf))
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88 call assert_equal(s:jsonposinf, json_encode(s:varposinf))
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89 call assert_equal(s:jsonnan, json_encode(s:varnan))
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90 endif
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91
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92 call assert_equal(s:jsonl1, json_encode(s:varl1))
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93 call assert_equal(s:jsonl2, json_encode(s:varl2))
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94 call assert_equal(s:jsonl3, json_encode(s:varl3))
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95
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96 call assert_equal(s:jsond1, json_encode(s:vard1))
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97 call assert_equal(s:jsond2, json_encode(s:vard2))
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98 call assert_equal(s:jsond3, json_encode(s:vard3))
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99 call assert_equal(s:jsond4, json_encode(s:vard4))
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100 call assert_equal(s:jsond5, json_encode(s:vard5))
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101
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102 call assert_equal(s:jsonvals, json_encode(s:varvals))
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103
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104 " JSON is always encoded in utf-8 regardless of 'encoding' value.
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105 let save_encoding = &encoding
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106 set encoding=latin1
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107 call assert_equal('"café"', json_encode("caf\xe9"))
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108 let &encoding = save_encoding
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109
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110 call assert_fails('echo json_encode(function("tr"))', 'E1161: Cannot json encode a func')
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111 call assert_fails('echo json_encode([function("tr")])', 'E1161: Cannot json encode a func')
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112
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113 call assert_equal('{"a":""}', json_encode({'a': test_null_string()}))
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114 call assert_equal('{"a":[]}', json_encode({"a": test_null_list()}))
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115 call assert_equal('{"a":{}}', json_encode({"a": test_null_dict()}))
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116
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117 silent! let res = json_encode(function("tr"))
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118 call assert_equal("", res)
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119 endfunc
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120
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121 func Test_json_decode()
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122 call assert_equal(s:var1, json_decode(s:json1))
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123 call assert_equal(s:var2, json_decode(s:json2))
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124 call assert_equal(s:var3, s:json3->json_decode())
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125 call assert_equal(s:var4, json_decode(s:json4))
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126 call assert_equal(s:var5, json_decode(s:json5))
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127
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128 call assert_equal(s:varmb, json_decode(s:jsonmb))
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129 call assert_equal(s:varsp1, json_decode(s:jsonsp1))
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130 call assert_equal(s:varsp2, json_decode(s:jsonsp2))
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131
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132 call assert_equal(s:varnr, json_decode(s:jsonnr))
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133 if has('float')
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134 call assert_equal(s:varfl, json_decode(s:jsonfl))
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135 endif
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136
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137 call assert_equal(s:varl1, json_decode(s:jsonl1))
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138 call assert_equal(s:varl2x, json_decode(s:jsonl2))
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139 call assert_equal(s:varl2x, json_decode(s:jsonl2s))
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140 call assert_equal(s:varl3, json_decode(s:jsonl3))
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141
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142 call assert_equal(s:vard1, json_decode(s:jsond1))
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143 call assert_equal(s:vard2x, json_decode(s:jsond2))
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144 call assert_equal(s:vard2x, json_decode(s:jsond2s))
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145 call assert_equal(s:vard3, json_decode(s:jsond3))
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146 call assert_equal(s:vard4x, json_decode(s:jsond4))
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147 call assert_equal(s:vard5x, json_decode(s:jsond5))
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148
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149 call assert_equal(s:varvals, json_decode(s:jsonvals))
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150
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151 call assert_equal(v:true, json_decode('true'))
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152 call assert_equal(type(v:true), type(json_decode('true')))
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153 call assert_equal(v:none, json_decode(''))
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154 call assert_equal(type(v:none), type(json_decode('')))
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155 call assert_equal("", json_decode('""'))
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156
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157 " Character in string after \ is ignored if not special.
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158 call assert_equal("x", json_decode('"\x"'))
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159
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160 " JSON is always encoded in utf-8 regardless of 'encoding' value.
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161 let save_encoding = &encoding
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162 set encoding=latin1
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163 call assert_equal("caf\xe9", json_decode('"café"'))
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164 let &encoding = save_encoding
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165
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166 " empty key is OK
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167 call assert_equal({'': 'ok'}, json_decode('{"": "ok"}'))
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168 " but not twice
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169 call assert_fails("call json_decode('{\"\": \"ok\", \"\": \"bad\"}')", 'E938:')
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170
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171 call assert_equal({'n': 1}, json_decode('{"n":1,}'))
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172 call assert_fails("call json_decode(\"{'n':'1',}\")", 'E491:')
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173 call assert_fails("call json_decode(\"'n'\")", 'E491:')
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174
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175 call assert_fails('call json_decode("\"")', "E491:")
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176 call assert_fails('call json_decode("blah")', "E491:")
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177 call assert_fails('call json_decode("true blah")', "E488:")
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178 call assert_fails('call json_decode("<foobar>")', "E491:")
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179 call assert_fails('call json_decode("{\"a\":1,\"a\":2}")', "E938:")
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180
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181 call assert_fails('call json_decode("{")', "E491:")
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182 call assert_fails('call json_decode("{foobar}")', "E491:")
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183 call assert_fails('call json_decode("{\"n\",")', "E491:")
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184 call assert_fails('call json_decode("{\"n\":")', "E491:")
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185 call assert_fails('call json_decode("{\"n\":1")', "E491:")
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186 call assert_fails('call json_decode("{\"n\":1,")', "E491:")
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187 call assert_fails('call json_decode("{\"n\",1}")', "E491:")
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188 call assert_fails('call json_decode("{-}")', "E491:")
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189 if has('float')
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190 call assert_fails('call json_decode("{3.14:1}")', "E806:")
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191 endif
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192
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193 call assert_fails('call json_decode("[foobar]")', "E491:")
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194 call assert_fails('call json_decode("[")', "E491:")
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195 call assert_fails('call json_decode("[1")', "E491:")
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196 call assert_fails('call json_decode("[1,")', "E491:")
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197 call assert_fails('call json_decode("[1 2]")', "E491:")
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198
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199 call assert_fails('call json_decode("[1,,2]")', "E491:")
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200
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201 call assert_fails('call json_decode("{{}:42}")', "E491:")
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202 call assert_fails('call json_decode("{[]:42}")', "E491:")
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203 call assert_fails('call json_decode("{1:1{")', "E491:")
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204
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205 call assert_fails('call json_decode("-")', "E491:")
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206 call assert_fails('call json_decode("-1x")', "E491:")
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207 call assert_fails('call json_decode("infinit")', "E491:")
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208
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209 call assert_fails('call json_decode("\"\\u111Z\"")', 'E491:')
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210 call assert_equal('[😂]', json_decode('"[\uD83D\uDE02]"'))
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211 call assert_equal('a😂b', json_decode('"a\uD83D\uDE02b"'))
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212
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213 call assert_fails('call json_decode("{\"\":{\"\":{")', 'E491:')
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214 endfunc
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215
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216 let s:jsl5 = '[7,,,]'
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217 let s:varl5 = [7, v:none, v:none]
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218
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219 func Test_js_encode()
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220 call assert_equal(s:json1, js_encode(s:var1))
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221 call assert_equal(s:json2, js_encode(s:var2))
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222 call assert_equal(s:json3, s:var3->js_encode())
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223 call assert_equal(s:json4, js_encode(s:var4))
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224 call assert_equal(s:json5, js_encode(s:var5))
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225
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226 call assert_equal(s:jsonmb, js_encode(s:varmb))
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227 " no test for surrogate pair, js_encode() doesn't create them.
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228
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229 call assert_equal(s:jsonnr, js_encode(s:varnr))
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230 if has('float')
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231 call assert_equal(s:jsonfl, js_encode(s:varfl))
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232 call assert_equal(s:jsonneginf, js_encode(s:varneginf))
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233 call assert_equal(s:jsonposinf, js_encode(s:varposinf))
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234 call assert_equal(s:jsonnan, js_encode(s:varnan))
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235 endif
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236
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237 call assert_equal(s:jsonl1, js_encode(s:varl1))
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238 call assert_equal(s:jsonl2, js_encode(s:varl2))
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239 call assert_equal(s:jsonl3, js_encode(s:varl3))
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240
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241 call assert_equal(s:jsd1, js_encode(s:vard1))
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242 call assert_equal(s:jsd2, js_encode(s:vard2))
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243 call assert_equal(s:jsd3, js_encode(s:vard3))
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244 call assert_equal(s:jsd4, js_encode(s:vard4))
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245 call assert_equal(s:jsd5, js_encode(s:vard5))
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246
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247 call assert_equal(s:jsonvals, js_encode(s:varvals))
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248
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249 call assert_fails('echo js_encode(function("tr"))', 'E1161: Cannot json encode a func')
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250 call assert_fails('echo js_encode([function("tr")])', 'E1161: Cannot json encode a func')
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251
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252 silent! let res = js_encode(function("tr"))
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253 call assert_equal("", res)
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254
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255 call assert_equal(s:jsl5, js_encode(s:varl5))
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256 endfunc
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257
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258 func Test_js_decode()
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259 call assert_equal(s:var1, js_decode(s:json1))
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260 call assert_equal(s:var2, js_decode(s:json2))
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261 call assert_equal(s:var3, s:json3->js_decode())
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262 call assert_equal(s:var4, js_decode(s:json4))
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263 call assert_equal(s:var5, js_decode(s:json5))
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264
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265 call assert_equal(s:varmb, js_decode(s:jsonmb))
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266 call assert_equal(s:varsp1, js_decode(s:jsonsp1))
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267 call assert_equal(s:varsp2, js_decode(s:jsonsp2))
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268
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269 call assert_equal(s:varnr, js_decode(s:jsonnr))
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270 if has('float')
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271 call assert_equal(s:varfl, js_decode(s:jsonfl))
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272 call assert_equal(s:varneginf, js_decode(s:jsonneginf))
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273 call assert_equal(s:varposinf, js_decode(s:jsonposinf))
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274 call assert_true(isnan(js_decode(s:jsonnan)))
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275 endif
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276
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277 call assert_equal(s:varl1, js_decode(s:jsonl1))
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278 call assert_equal(s:varl2x, js_decode(s:jsonl2))
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279 call assert_equal(s:varl2x, js_decode(s:jsonl2s))
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280 call assert_equal(s:varl3, js_decode(s:jsonl3))
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281
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282 call assert_equal(s:vard1, js_decode(s:jsond1))
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283 call assert_equal(s:vard1, js_decode(s:jsd1))
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284 call assert_equal(s:vard2x, js_decode(s:jsond2))
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285 call assert_equal(s:vard2x, js_decode(s:jsd2))
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286 call assert_equal(s:vard2x, js_decode(s:jsond2s))
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287 call assert_equal(s:vard2x, js_decode(s:jsd2s))
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288 call assert_equal(s:vard3, js_decode(s:jsond3))
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289 call assert_equal(s:vard3, js_decode(s:jsd3))
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290 call assert_equal(s:vard4x, js_decode(s:jsond4))
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291 call assert_equal(s:vard4x, js_decode(s:jsd4))
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292 call assert_equal(s:vard5x, js_decode(s:jsond5))
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293 call assert_equal(s:vard5x, js_decode(s:jsd5))
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294
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295 call assert_equal(s:varvals, js_decode(s:jsonvals))
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297 call assert_equal(v:true, js_decode('true'))
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298 call assert_equal(type(v:true), type(js_decode('true')))
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299 call assert_equal(v:none, js_decode(''))
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300 call assert_equal(type(v:none), type(js_decode('')))
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301 call assert_equal("", js_decode('""'))
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302 call assert_equal("", js_decode("''"))
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303
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304 call assert_equal('n', js_decode("'n'"))
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305 call assert_equal({'n': 1}, js_decode('{"n":1,}'))
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306 call assert_equal({'n': '1'}, js_decode("{'n':'1',}"))
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307
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308 call assert_fails('call js_decode("\"")', "E491:")
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309 call assert_fails('call js_decode("blah")', "E491:")
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310 call assert_fails('call js_decode("true blah")', "E488:")
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311 call assert_fails('call js_decode("<foobar>")', "E491:")
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312
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313 call assert_fails('call js_decode("{")', "E491:")
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314 call assert_fails('call js_decode("{foobar}")', "E491:")
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315 call assert_fails('call js_decode("{\"n\",")', "E491:")
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316 call assert_fails('call js_decode("{\"n\":")', "E491:")
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317 call assert_fails('call js_decode("{\"n\":1")', "E491:")
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318 call assert_fails('call js_decode("{\"n\":1,")', "E491:")
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319 call assert_fails('call js_decode("{\"n\",1}")', "E491:")
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320 call assert_fails('call js_decode("{-}")', "E491:")
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321
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322 call assert_fails('call js_decode("[foobar]")', "E491:")
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323 call assert_fails('call js_decode("[")', "E491:")
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324 call assert_fails('call js_decode("[1")', "E491:")
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325 call assert_fails('call js_decode("[1,")', "E491:")
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326 call assert_fails('call js_decode("[1 2]")', "E491:")
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327
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328 call assert_equal(s:varl5, js_decode(s:jsl5))
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329 endfunc
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330
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331 func Test_json_encode_long()
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332 " The growarray uses a grow size of 4000, check that a result that is exactly
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333 " 4000 bytes long is not missing the final NUL.
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334 let json = json_encode([repeat('a', 3996)])
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335 call assert_equal(4000, len(json))
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336 endfunc
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337
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338 " vim: shiftwidth=2 sts=2 expandtab