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comparison src/testdir/test_float_func.vim @ 17765:545119cd5554 v8.1.1879

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patch 8.1.1879: more functions can be used as methods commit https://github.com/vim/vim/commit/93cf85f9ef02931de3f8c8e536a137da0b48b7dc Author: Bram Moolenaar <Bram@vim.org> Date: Sat Aug 17 21:36:28 2019 +0200 patch 8.1.1879: more functions can be used as methods Problem: More functions can be used as methods. Solution: Make float functions usable as a method.
author Bram Moolenaar <Bram@vim.org>
date Sat, 17 Aug 2019 21:45:03 +0200
parents 8e9e9124c7a2
children 5f8dd7b3ae41
comparison
equal deleted inserted replaced
17764:3a5933d7d4a4 17765:545119cd5554
4 CheckFeature float 4 CheckFeature float
5 5
6 func Test_abs() 6 func Test_abs()
7 call assert_equal('1.23', string(abs(1.23))) 7 call assert_equal('1.23', string(abs(1.23)))
8 call assert_equal('1.23', string(abs(-1.23))) 8 call assert_equal('1.23', string(abs(-1.23)))
9 eval -1.23->abs()->string()->assert_equal('1.23')
10
9 call assert_equal('0.0', string(abs(0.0))) 11 call assert_equal('0.0', string(abs(0.0)))
10 call assert_equal('0.0', string(abs(1.0/(1.0/0.0)))) 12 call assert_equal('0.0', string(abs(1.0/(1.0/0.0))))
11 call assert_equal('0.0', string(abs(-1.0/(1.0/0.0)))) 13 call assert_equal('0.0', string(abs(-1.0/(1.0/0.0))))
12 call assert_equal('inf', string(abs(1.0/0.0))) 14 call assert_equal('inf', string(abs(1.0/0.0)))
13 call assert_equal('inf', string(abs(-1.0/0.0))) 15 call assert_equal('inf', string(abs(-1.0/0.0)))
20 endfunc 22 endfunc
21 23
22 func Test_sqrt() 24 func Test_sqrt()
23 call assert_equal('0.0', string(sqrt(0.0))) 25 call assert_equal('0.0', string(sqrt(0.0)))
24 call assert_equal('1.414214', string(sqrt(2.0))) 26 call assert_equal('1.414214', string(sqrt(2.0)))
27 eval 2.0->sqrt()->string()->assert_equal('1.414214')
25 call assert_equal('inf', string(sqrt(1.0/0.0))) 28 call assert_equal('inf', string(sqrt(1.0/0.0)))
26 call assert_equal('nan', string(sqrt(-1.0))) 29 call assert_equal('nan', string(sqrt(-1.0)))
27 call assert_equal('nan', string(sqrt(0.0/0.0))) 30 call assert_equal('nan', string(sqrt(0.0/0.0)))
28 call assert_fails('call sqrt("")', 'E808:') 31 call assert_fails('call sqrt("")', 'E808:')
29 endfunc 32 endfunc
30 33
31 func Test_log() 34 func Test_log()
32 call assert_equal('0.0', string(log(1.0))) 35 call assert_equal('0.0', string(log(1.0)))
33 call assert_equal('-0.693147', string(log(0.5))) 36 call assert_equal('-0.693147', string(log(0.5)))
37 eval 0.5->log()->string()->assert_equal('-0.693147')
34 call assert_equal('-inf', string(log(0.0))) 38 call assert_equal('-inf', string(log(0.0)))
35 call assert_equal('nan', string(log(-1.0))) 39 call assert_equal('nan', string(log(-1.0)))
36 call assert_equal('inf', string(log(1.0/0.0))) 40 call assert_equal('inf', string(log(1.0/0.0)))
37 call assert_equal('nan', string(log(0.0/0.0))) 41 call assert_equal('nan', string(log(0.0/0.0)))
38 call assert_fails('call log("")', 'E808:') 42 call assert_fails('call log("")', 'E808:')
40 44
41 func Test_log10() 45 func Test_log10()
42 call assert_equal('0.0', string(log10(1.0))) 46 call assert_equal('0.0', string(log10(1.0)))
43 call assert_equal('2.0', string(log10(100.0))) 47 call assert_equal('2.0', string(log10(100.0)))
44 call assert_equal('2.079181', string(log10(120.0))) 48 call assert_equal('2.079181', string(log10(120.0)))
49 eval 120.0->log10()->string()->assert_equal('2.079181')
45 call assert_equal('-inf', string(log10(0.0))) 50 call assert_equal('-inf', string(log10(0.0)))
46 call assert_equal('nan', string(log10(-1.0))) 51 call assert_equal('nan', string(log10(-1.0)))
47 call assert_equal('inf', string(log10(1.0/0.0))) 52 call assert_equal('inf', string(log10(1.0/0.0)))
48 call assert_equal('nan', string(log10(0.0/0.0))) 53 call assert_equal('nan', string(log10(0.0/0.0)))
49 call assert_fails('call log10("")', 'E808:') 54 call assert_fails('call log10("")', 'E808:')
51 56
52 func Test_exp() 57 func Test_exp()
53 call assert_equal('1.0', string(exp(0.0))) 58 call assert_equal('1.0', string(exp(0.0)))
54 call assert_equal('7.389056', string(exp(2.0))) 59 call assert_equal('7.389056', string(exp(2.0)))
55 call assert_equal('0.367879', string(exp(-1.0))) 60 call assert_equal('0.367879', string(exp(-1.0)))
61 eval -1.0->exp()->string()->assert_equal('0.367879')
56 call assert_equal('inf', string(exp(1.0/0.0))) 62 call assert_equal('inf', string(exp(1.0/0.0)))
57 call assert_equal('0.0', string(exp(-1.0/0.0))) 63 call assert_equal('0.0', string(exp(-1.0/0.0)))
58 call assert_equal('nan', string(exp(0.0/0.0))) 64 call assert_equal('nan', string(exp(0.0/0.0)))
59 call assert_fails('call exp("")', 'E808:') 65 call assert_fails('call exp("")', 'E808:')
60 endfunc 66 endfunc
61 67
62 func Test_sin() 68 func Test_sin()
63 call assert_equal('0.0', string(sin(0.0))) 69 call assert_equal('0.0', string(sin(0.0)))
64 call assert_equal('0.841471', string(sin(1.0))) 70 call assert_equal('0.841471', string(sin(1.0)))
65 call assert_equal('-0.479426', string(sin(-0.5))) 71 call assert_equal('-0.479426', string(sin(-0.5)))
72 eval -0.5->sin()->string()->assert_equal('-0.479426')
66 call assert_equal('nan', string(sin(0.0/0.0))) 73 call assert_equal('nan', string(sin(0.0/0.0)))
67 call assert_equal('nan', string(sin(1.0/0.0))) 74 call assert_equal('nan', string(sin(1.0/0.0)))
68 call assert_equal('0.0', string(sin(1.0/(1.0/0.0)))) 75 call assert_equal('0.0', string(sin(1.0/(1.0/0.0))))
69 call assert_equal('-0.0', string(sin(-1.0/(1.0/0.0)))) 76 call assert_equal('-0.0', string(sin(-1.0/(1.0/0.0))))
70 call assert_fails('call sin("")', 'E808:') 77 call assert_fails('call sin("")', 'E808:')
71 endfunc 78 endfunc
72 79
73 func Test_asin() 80 func Test_asin()
74 call assert_equal('0.0', string(asin(0.0))) 81 call assert_equal('0.0', string(asin(0.0)))
75 call assert_equal('1.570796', string(asin(1.0))) 82 call assert_equal('1.570796', string(asin(1.0)))
83 eval 1.0->asin()->string()->assert_equal('1.570796')
84
76 call assert_equal('-0.523599', string(asin(-0.5))) 85 call assert_equal('-0.523599', string(asin(-0.5)))
77 call assert_equal('nan', string(asin(1.1))) 86 call assert_equal('nan', string(asin(1.1)))
78 call assert_equal('nan', string(asin(1.0/0.0))) 87 call assert_equal('nan', string(asin(1.0/0.0)))
79 call assert_equal('nan', string(asin(0.0/0.0))) 88 call assert_equal('nan', string(asin(0.0/0.0)))
80 call assert_fails('call asin("")', 'E808:') 89 call assert_fails('call asin("")', 'E808:')
82 91
83 func Test_sinh() 92 func Test_sinh()
84 call assert_equal('0.0', string(sinh(0.0))) 93 call assert_equal('0.0', string(sinh(0.0)))
85 call assert_equal('0.521095', string(sinh(0.5))) 94 call assert_equal('0.521095', string(sinh(0.5)))
86 call assert_equal('-1.026517', string(sinh(-0.9))) 95 call assert_equal('-1.026517', string(sinh(-0.9)))
96 eval -0.9->sinh()->string()->assert_equal('-1.026517')
87 call assert_equal('inf', string(sinh(1.0/0.0))) 97 call assert_equal('inf', string(sinh(1.0/0.0)))
88 call assert_equal('-inf', string(sinh(-1.0/0.0))) 98 call assert_equal('-inf', string(sinh(-1.0/0.0)))
89 call assert_equal('nan', string(sinh(0.0/0.0))) 99 call assert_equal('nan', string(sinh(0.0/0.0)))
90 call assert_fails('call sinh("")', 'E808:') 100 call assert_fails('call sinh("")', 'E808:')
91 endfunc 101 endfunc
92 102
93 func Test_cos() 103 func Test_cos()
94 call assert_equal('1.0', string(cos(0.0))) 104 call assert_equal('1.0', string(cos(0.0)))
95 call assert_equal('0.540302', string(cos(1.0))) 105 call assert_equal('0.540302', string(cos(1.0)))
96 call assert_equal('0.877583', string(cos(-0.5))) 106 call assert_equal('0.877583', string(cos(-0.5)))
107 eval -0.5->cos()->string()->assert_equal('0.877583')
97 call assert_equal('nan', string(cos(0.0/0.0))) 108 call assert_equal('nan', string(cos(0.0/0.0)))
98 call assert_equal('nan', string(cos(1.0/0.0))) 109 call assert_equal('nan', string(cos(1.0/0.0)))
99 call assert_fails('call cos("")', 'E808:') 110 call assert_fails('call cos("")', 'E808:')
100 endfunc 111 endfunc
101 112
102 func Test_acos() 113 func Test_acos()
103 call assert_equal('1.570796', string(acos(0.0))) 114 call assert_equal('1.570796', string(acos(0.0)))
104 call assert_equal('0.0', string(acos(1.0))) 115 call assert_equal('0.0', string(acos(1.0)))
105 call assert_equal('3.141593', string(acos(-1.0))) 116 call assert_equal('3.141593', string(acos(-1.0)))
117 eval -1.0->acos()->string()->assert_equal('3.141593')
106 call assert_equal('2.094395', string(acos(-0.5))) 118 call assert_equal('2.094395', string(acos(-0.5)))
107 call assert_equal('nan', string(acos(1.1))) 119 call assert_equal('nan', string(acos(1.1)))
108 call assert_equal('nan', string(acos(1.0/0.0))) 120 call assert_equal('nan', string(acos(1.0/0.0)))
109 call assert_equal('nan', string(acos(0.0/0.0))) 121 call assert_equal('nan', string(acos(0.0/0.0)))
110 call assert_fails('call acos("")', 'E808:') 122 call assert_fails('call acos("")', 'E808:')
111 endfunc 123 endfunc
112 124
113 func Test_cosh() 125 func Test_cosh()
114 call assert_equal('1.0', string(cosh(0.0))) 126 call assert_equal('1.0', string(cosh(0.0)))
115 call assert_equal('1.127626', string(cosh(0.5))) 127 call assert_equal('1.127626', string(cosh(0.5)))
128 eval 0.5->cosh()->string()->assert_equal('1.127626')
116 call assert_equal('inf', string(cosh(1.0/0.0))) 129 call assert_equal('inf', string(cosh(1.0/0.0)))
117 call assert_equal('inf', string(cosh(-1.0/0.0))) 130 call assert_equal('inf', string(cosh(-1.0/0.0)))
118 call assert_equal('nan', string(cosh(0.0/0.0))) 131 call assert_equal('nan', string(cosh(0.0/0.0)))
119 call assert_fails('call cosh("")', 'E808:') 132 call assert_fails('call cosh("")', 'E808:')
120 endfunc 133 endfunc
121 134
122 func Test_tan() 135 func Test_tan()
123 call assert_equal('0.0', string(tan(0.0))) 136 call assert_equal('0.0', string(tan(0.0)))
124 call assert_equal('0.546302', string(tan(0.5))) 137 call assert_equal('0.546302', string(tan(0.5)))
125 call assert_equal('-0.546302', string(tan(-0.5))) 138 call assert_equal('-0.546302', string(tan(-0.5)))
139 eval -0.5->tan()->string()->assert_equal('-0.546302')
126 call assert_equal('nan', string(tan(1.0/0.0))) 140 call assert_equal('nan', string(tan(1.0/0.0)))
127 call assert_equal('nan', string(cos(0.0/0.0))) 141 call assert_equal('nan', string(cos(0.0/0.0)))
128 call assert_equal('0.0', string(tan(1.0/(1.0/0.0)))) 142 call assert_equal('0.0', string(tan(1.0/(1.0/0.0))))
129 call assert_equal('-0.0', string(tan(-1.0/(1.0/0.0)))) 143 call assert_equal('-0.0', string(tan(-1.0/(1.0/0.0))))
130 call assert_fails('call tan("")', 'E808:') 144 call assert_fails('call tan("")', 'E808:')
132 146
133 func Test_atan() 147 func Test_atan()
134 call assert_equal('0.0', string(atan(0.0))) 148 call assert_equal('0.0', string(atan(0.0)))
135 call assert_equal('0.463648', string(atan(0.5))) 149 call assert_equal('0.463648', string(atan(0.5)))
136 call assert_equal('-0.785398', string(atan(-1.0))) 150 call assert_equal('-0.785398', string(atan(-1.0)))
151 eval -1.0->atan()->string()->assert_equal('-0.785398')
137 call assert_equal('1.570796', string(atan(1.0/0.0))) 152 call assert_equal('1.570796', string(atan(1.0/0.0)))
138 call assert_equal('-1.570796', string(atan(-1.0/0.0))) 153 call assert_equal('-1.570796', string(atan(-1.0/0.0)))
139 call assert_equal('nan', string(atan(0.0/0.0))) 154 call assert_equal('nan', string(atan(0.0/0.0)))
140 call assert_fails('call atan("")', 'E808:') 155 call assert_fails('call atan("")', 'E808:')
141 endfunc 156 endfunc
142 157
143 func Test_atan2() 158 func Test_atan2()
144 call assert_equal('-2.356194', string(atan2(-1, -1))) 159 call assert_equal('-2.356194', string(atan2(-1, -1)))
145 call assert_equal('2.356194', string(atan2(1, -1))) 160 call assert_equal('2.356194', string(atan2(1, -1)))
146 call assert_equal('0.0', string(atan2(1.0, 1.0/0.0))) 161 call assert_equal('0.0', string(atan2(1.0, 1.0/0.0)))
162 eval 1.0->atan2(1.0/0.0)->string()->assert_equal('0.0')
147 call assert_equal('1.570796', string(atan2(1.0/0.0, 1.0))) 163 call assert_equal('1.570796', string(atan2(1.0/0.0, 1.0)))
148 call assert_equal('nan', string(atan2(0.0/0.0, 1.0))) 164 call assert_equal('nan', string(atan2(0.0/0.0, 1.0)))
149 call assert_fails('call atan2("", -1)', 'E808:') 165 call assert_fails('call atan2("", -1)', 'E808:')
150 call assert_fails('call atan2(-1, "")', 'E808:') 166 call assert_fails('call atan2(-1, "")', 'E808:')
151 endfunc 167 endfunc
152 168
153 func Test_tanh() 169 func Test_tanh()
154 call assert_equal('0.0', string(tanh(0.0))) 170 call assert_equal('0.0', string(tanh(0.0)))
155 call assert_equal('0.462117', string(tanh(0.5))) 171 call assert_equal('0.462117', string(tanh(0.5)))
156 call assert_equal('-0.761594', string(tanh(-1.0))) 172 call assert_equal('-0.761594', string(tanh(-1.0)))
173 eval -1.0->tanh()->string()->assert_equal('-0.761594')
157 call assert_equal('1.0', string(tanh(1.0/0.0))) 174 call assert_equal('1.0', string(tanh(1.0/0.0)))
158 call assert_equal('-1.0', string(tanh(-1.0/0.0))) 175 call assert_equal('-1.0', string(tanh(-1.0/0.0)))
159 call assert_equal('nan', string(tanh(0.0/0.0))) 176 call assert_equal('nan', string(tanh(0.0/0.0)))
160 call assert_fails('call tanh("")', 'E808:') 177 call assert_fails('call tanh("")', 'E808:')
161 endfunc 178 endfunc
162 179
163 func Test_fmod() 180 func Test_fmod()
164 call assert_equal('0.13', string(fmod(12.33, 1.22))) 181 call assert_equal('0.13', string(fmod(12.33, 1.22)))
165 call assert_equal('-0.13', string(fmod(-12.33, 1.22))) 182 call assert_equal('-0.13', string(fmod(-12.33, 1.22)))
166 call assert_equal('nan', string(fmod(1.0/0.0, 1.0))) 183 call assert_equal('nan', string(fmod(1.0/0.0, 1.0)))
184 eval (1.0/0.0)->fmod(1.0)->string()->assert_equal('nan')
167 " On Windows we get "nan" instead of 1.0, accept both. 185 " On Windows we get "nan" instead of 1.0, accept both.
168 let res = string(fmod(1.0, 1.0/0.0)) 186 let res = string(fmod(1.0, 1.0/0.0))
169 if res != 'nan' 187 if res != 'nan'
170 call assert_equal('1.0', res) 188 call assert_equal('1.0', res)
171 endif 189 endif
175 endfunc 193 endfunc
176 194
177 func Test_pow() 195 func Test_pow()
178 call assert_equal('1.0', string(pow(0.0, 0.0))) 196 call assert_equal('1.0', string(pow(0.0, 0.0)))
179 call assert_equal('8.0', string(pow(2.0, 3.0))) 197 call assert_equal('8.0', string(pow(2.0, 3.0)))
198 eval 2.0->pow(3.0)->string()->assert_equal('8.0')
180 call assert_equal('nan', string(pow(2.0, 0.0/0.0))) 199 call assert_equal('nan', string(pow(2.0, 0.0/0.0)))
181 call assert_equal('nan', string(pow(0.0/0.0, 3.0))) 200 call assert_equal('nan', string(pow(0.0/0.0, 3.0)))
182 call assert_equal('nan', string(pow(0.0/0.0, 3.0))) 201 call assert_equal('nan', string(pow(0.0/0.0, 3.0)))
183 call assert_equal('inf', string(pow(2.0, 1.0/0.0))) 202 call assert_equal('inf', string(pow(2.0, 1.0/0.0)))
184 call assert_equal('inf', string(pow(1.0/0.0, 3.0))) 203 call assert_equal('inf', string(pow(1.0/0.0, 3.0)))
190 call assert_equal('1.0', string(str2float('1'))) 209 call assert_equal('1.0', string(str2float('1')))
191 call assert_equal('1.0', string(str2float(' 1 '))) 210 call assert_equal('1.0', string(str2float(' 1 ')))
192 call assert_equal('1.0', string(str2float(' 1.0 '))) 211 call assert_equal('1.0', string(str2float(' 1.0 ')))
193 call assert_equal('1.23', string(str2float('1.23'))) 212 call assert_equal('1.23', string(str2float('1.23')))
194 call assert_equal('1.23', string(str2float('1.23abc'))) 213 call assert_equal('1.23', string(str2float('1.23abc')))
214 eval '1.23abc'->str2float()->string()->assert_equal('1.23')
195 call assert_equal('1.0e40', string(str2float('1e40'))) 215 call assert_equal('1.0e40', string(str2float('1e40')))
196 call assert_equal('-1.23', string(str2float('-1.23'))) 216 call assert_equal('-1.23', string(str2float('-1.23')))
197 call assert_equal('1.23', string(str2float(' + 1.23 '))) 217 call assert_equal('1.23', string(str2float(' + 1.23 ')))
198 218
199 call assert_equal('1.0', string(str2float('+1'))) 219 call assert_equal('1.0', string(str2float('+1')))
226 246
227 func Test_float2nr() 247 func Test_float2nr()
228 call assert_equal(1, float2nr(1.234)) 248 call assert_equal(1, float2nr(1.234))
229 call assert_equal(123, float2nr(1.234e2)) 249 call assert_equal(123, float2nr(1.234e2))
230 call assert_equal(12, float2nr(123.4e-1)) 250 call assert_equal(12, float2nr(123.4e-1))
251 eval 123.4e-1->float2nr()->assert_equal(12)
231 let max_number = 1/0 252 let max_number = 1/0
232 let min_number = -max_number 253 let min_number = -max_number
233 call assert_equal(max_number/2+1, float2nr(pow(2, 62))) 254 call assert_equal(max_number/2+1, float2nr(pow(2, 62)))
234 call assert_equal(max_number, float2nr(pow(2, 63))) 255 call assert_equal(max_number, float2nr(pow(2, 63)))
235 call assert_equal(max_number, float2nr(pow(2, 64))) 256 call assert_equal(max_number, float2nr(pow(2, 64)))
240 261
241 func Test_floor() 262 func Test_floor()
242 call assert_equal('2.0', string(floor(2.0))) 263 call assert_equal('2.0', string(floor(2.0)))
243 call assert_equal('2.0', string(floor(2.11))) 264 call assert_equal('2.0', string(floor(2.11)))
244 call assert_equal('2.0', string(floor(2.99))) 265 call assert_equal('2.0', string(floor(2.99)))
266 eval 2.99->floor()->string()->assert_equal('2.0')
245 call assert_equal('-3.0', string(floor(-2.11))) 267 call assert_equal('-3.0', string(floor(-2.11)))
246 call assert_equal('-3.0', string(floor(-2.99))) 268 call assert_equal('-3.0', string(floor(-2.99)))
247 call assert_equal('nan', string(floor(0.0/0.0))) 269 call assert_equal('nan', string(floor(0.0/0.0)))
248 call assert_equal('inf', string(floor(1.0/0.0))) 270 call assert_equal('inf', string(floor(1.0/0.0)))
249 call assert_equal('-inf', string(floor(-1.0/0.0))) 271 call assert_equal('-inf', string(floor(-1.0/0.0)))
253 func Test_ceil() 275 func Test_ceil()
254 call assert_equal('2.0', string(ceil(2.0))) 276 call assert_equal('2.0', string(ceil(2.0)))
255 call assert_equal('3.0', string(ceil(2.11))) 277 call assert_equal('3.0', string(ceil(2.11)))
256 call assert_equal('3.0', string(ceil(2.99))) 278 call assert_equal('3.0', string(ceil(2.99)))
257 call assert_equal('-2.0', string(ceil(-2.11))) 279 call assert_equal('-2.0', string(ceil(-2.11)))
280 eval -2.11->ceil()->string()->assert_equal('-2.0')
258 call assert_equal('-2.0', string(ceil(-2.99))) 281 call assert_equal('-2.0', string(ceil(-2.99)))
259 call assert_equal('nan', string(ceil(0.0/0.0))) 282 call assert_equal('nan', string(ceil(0.0/0.0)))
260 call assert_equal('inf', string(ceil(1.0/0.0))) 283 call assert_equal('inf', string(ceil(1.0/0.0)))
261 call assert_equal('-inf', string(ceil(-1.0/0.0))) 284 call assert_equal('-inf', string(ceil(-1.0/0.0)))
262 call assert_fails("call ceil('')", 'E808:') 285 call assert_fails("call ceil('')", 'E808:')
264 287
265 func Test_round() 288 func Test_round()
266 call assert_equal('2.0', string(round(2.1))) 289 call assert_equal('2.0', string(round(2.1)))
267 call assert_equal('3.0', string(round(2.5))) 290 call assert_equal('3.0', string(round(2.5)))
268 call assert_equal('3.0', string(round(2.9))) 291 call assert_equal('3.0', string(round(2.9)))
292 eval 2.9->round()->string()->assert_equal('3.0')
269 call assert_equal('-2.0', string(round(-2.1))) 293 call assert_equal('-2.0', string(round(-2.1)))
270 call assert_equal('-3.0', string(round(-2.5))) 294 call assert_equal('-3.0', string(round(-2.5)))
271 call assert_equal('-3.0', string(round(-2.9))) 295 call assert_equal('-3.0', string(round(-2.9)))
272 call assert_equal('nan', string(round(0.0/0.0))) 296 call assert_equal('nan', string(round(0.0/0.0)))
273 call assert_equal('inf', string(round(1.0/0.0))) 297 call assert_equal('inf', string(round(1.0/0.0)))
277 301
278 func Test_trunc() 302 func Test_trunc()
279 call assert_equal('2.0', string(trunc(2.1))) 303 call assert_equal('2.0', string(trunc(2.1)))
280 call assert_equal('2.0', string(trunc(2.5))) 304 call assert_equal('2.0', string(trunc(2.5)))
281 call assert_equal('2.0', string(trunc(2.9))) 305 call assert_equal('2.0', string(trunc(2.9)))
306 eval 2.9->trunc()->string()->assert_equal('2.0')
282 call assert_equal('-2.0', string(trunc(-2.1))) 307 call assert_equal('-2.0', string(trunc(-2.1)))
283 call assert_equal('-2.0', string(trunc(-2.5))) 308 call assert_equal('-2.0', string(trunc(-2.5)))
284 call assert_equal('-2.0', string(trunc(-2.9))) 309 call assert_equal('-2.0', string(trunc(-2.9)))
285 call assert_equal('nan', string(trunc(0.0/0.0))) 310 call assert_equal('nan', string(trunc(0.0/0.0)))
286 call assert_equal('inf', string(trunc(1.0/0.0))) 311 call assert_equal('inf', string(trunc(1.0/0.0)))
289 endfunc 314 endfunc
290 315
291 func Test_isinf() 316 func Test_isinf()
292 call assert_equal(1, isinf(1.0/0.0)) 317 call assert_equal(1, isinf(1.0/0.0))
293 call assert_equal(-1, isinf(-1.0/0.0)) 318 call assert_equal(-1, isinf(-1.0/0.0))
319 eval (-1.0/0.0)->isinf()->assert_equal(-1)
294 call assert_false(isinf(1.0)) 320 call assert_false(isinf(1.0))
295 call assert_false(isinf(0.0/0.0)) 321 call assert_false(isinf(0.0/0.0))
296 call assert_false(isinf('a')) 322 call assert_false(isinf('a'))
297 call assert_false(isinf([])) 323 call assert_false(isinf([]))
298 call assert_false(isinf({})) 324 call assert_false(isinf({}))
300 326
301 func Test_isnan() 327 func Test_isnan()
302 call assert_true(isnan(0.0/0.0)) 328 call assert_true(isnan(0.0/0.0))
303 call assert_false(isnan(1.0)) 329 call assert_false(isnan(1.0))
304 call assert_false(isnan(1.0/0.0)) 330 call assert_false(isnan(1.0/0.0))
331 eval (1.0/0.0)->isnan()->assert_false()
305 call assert_false(isnan(-1.0/0.0)) 332 call assert_false(isnan(-1.0/0.0))
306 call assert_false(isnan('a')) 333 call assert_false(isnan('a'))
307 call assert_false(isnan([])) 334 call assert_false(isnan([]))
308 call assert_false(isnan({})) 335 call assert_false(isnan({}))
309 endfunc 336 endfunc