1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
|
require File.expand_path('../spec_helper', __FILE__)
load_extension("numeric")
describe "CApiNumericSpecs" do
before :each do
@s = CApiNumericSpecs.new
end
describe "rb_num2long" do
it "raises an TypeError if passed nil" do
lambda { @s.rb_num2long(nil) }.should raise_error(TypeError)
end
it "converts a Float" do
@s.rb_num2long(4.2).should == 4
end
it "converts a Bignum" do
@s.rb_num2long(0x7fff_ffff).should == 0x7fff_ffff
end
it "converts a Fixnum" do
@s.rb_num2long(5).should == 5
end
platform_is :wordsize => 32 do
it "converts -1 to an signed number" do
@s.rb_num2long(-1).should == -1
end
it "converts a negative Bignum into an signed number" do
@s.rb_num2long(-2147442171).should == -2147442171
end
it "raises a RangeError if the value is more than 32bits" do
lambda { @s.rb_num2long(0xffff_ffff+1) }.should raise_error(RangeError)
end
end
platform_is :wordsize => 64 do
it "converts -1 to an signed number" do
@s.rb_num2long(-1).should == -1
end
it "converts a negative Bignum into an signed number" do
@s.rb_num2long(-9223372036854734331).should == -9223372036854734331
end
it "raises a RangeError if the value is more than 64bits" do
lambda do
@s.rb_num2long(0xffff_ffff_ffff_ffff+1)
end.should raise_error(RangeError)
end
end
it "calls #to_int to coerce the value" do
obj = mock("number")
obj.should_receive(:to_int).and_return(2)
@s.rb_num2long(obj).should == 2
end
end
describe "rb_num2ulong" do
it "raises an TypeError if passed nil" do
lambda { @s.rb_num2ulong(nil) }.should raise_error(TypeError)
end
it "converts a Float" do
@s.rb_num2ulong(4.2).should == 4
end
it "converts a Bignum" do
@s.rb_num2ulong(0xffff_ffff).should == 0xffff_ffff
end
it "converts a Fixnum" do
@s.rb_num2ulong(5).should == 5
end
platform_is :wordsize => 32 do
it "converts -1 to an unsigned number" do
@s.rb_num2ulong(-1).should == 4294967295
end
it "converts a negative Bignum into an unsigned number" do
@s.rb_num2ulong(-2147442171).should == 2147525125
end
it "raises a RangeError if the value is more than 32bits" do
lambda { @s.rb_num2ulong(0xffff_ffff+1) }.should raise_error(RangeError)
end
end
platform_is :wordsize => 64 do
it "converts -1 to an unsigned number" do
@s.rb_num2ulong(-1).should == 18446744073709551615
end
it "converts a negative Bignum into an unsigned number" do
@s.rb_num2ulong(-9223372036854734331).should == 9223372036854817285
end
it "raises a RangeError if the value is more than 64bits" do
lambda do
@s.rb_num2ulong(0xffff_ffff_ffff_ffff+1)
end.should raise_error(RangeError)
end
end
it "calls #to_int to coerce the value" do
obj = mock("number")
obj.should_receive(:to_int).and_return(2)
@s.rb_num2ulong(obj).should == 2
end
end
describe "rb_Integer" do
it "creates a new Integer from a String" do
i = @s.rb_Integer("8675309")
i.should be_kind_of(Integer)
i.should eql(8675309)
end
end
describe "rb_ll2inum" do
it "creates a new Fixnum from a small signed long long" do
i = @s.rb_ll2inum_14()
i.should be_kind_of(Fixnum)
i.should eql(14)
end
end
describe "rb_int2inum" do
it "creates a new Fixnum from a long" do
i = @s.rb_int2inum_14()
i.should be_kind_of(Fixnum)
i.should eql(14)
end
end
describe "rb_num2dbl" do
it "raises an TypeError if passed nil" do
lambda { @s.rb_num2dbl(nil) }.should raise_error(TypeError)
end
it "raises an TypeError if passed a String" do
lambda { @s.rb_num2dbl("1.2") }.should raise_error(TypeError)
end
it "converts a Float" do
@s.rb_num2dbl(4.2).should == 4.2
end
it "converts a Bignum" do
@s.rb_num2dbl(2**70).should == (2**70).to_f
end
it "converts a Fixnum" do
@s.rb_num2dbl(5).should == 5.0
end
it "calls #to_f to coerce the value" do
obj = mock("number")
obj.should_receive(:to_f).and_return(2.0)
@s.rb_num2dbl(obj).should == 2.0
end
end
describe "NUM2CHR" do
it "returns the first character of a String" do
@s.NUM2CHR("Abc").should == 65
end
it "returns the least significant byte of an Integer" do
@s.NUM2CHR(0xa7c).should == 0x07c
end
it "returns the least significant byte of a Float converted to an Integer" do
@s.NUM2CHR(0xa7c.to_f).should == 0x07c
end
it "raises a TypeError when passed an empty String" do
lambda { @s.NUM2CHR("") }.should raise_error(TypeError)
end
end
describe "rb_num_zerodiv" do
it "raises a RuntimeError" do
lambda { @s.rb_num_zerodiv() }.should raise_error(ZeroDivisionError, 'divided by 0')
end
end
describe "rb_cmpint" do
it "returns a Fixnum if passed one" do
@s.rb_cmpint(1, 2).should == 1
end
it "uses > to check if the value is greater than 1" do
m = mock("number")
m.should_receive(:>).and_return(true)
@s.rb_cmpint(m, 4).should == 1
end
it "uses < to check if the value is less than 1" do
m = mock("number")
m.should_receive(:>).and_return(false)
m.should_receive(:<).and_return(true)
@s.rb_cmpint(m, 4).should == -1
end
it "returns 0 if < and > are false" do
m = mock("number")
m.should_receive(:>).and_return(false)
m.should_receive(:<).and_return(false)
@s.rb_cmpint(m, 4).should == 0
end
it "raises an ArgumentError when passed nil" do
lambda {
@s.rb_cmpint(nil, 4)
}.should raise_error(ArgumentError)
end
end
ruby_version_is "1.9" do
# These functions exist pre-1.9 but use the wacktastic ruby_frame->orig_func
# mechanism to get the original method, so we're not spec'ing them.
describe "rb_num_coerce_bin" do
it "calls #coerce on the first argument" do
obj = mock("rb_num_coerce_bin")
obj.should_receive(:coerce).with(2).and_return([1, 2])
@s.rb_num_coerce_bin(2, obj, :+).should == 3
end
it "calls the specified method on the first argument returned by #coerce" do
obj = mock("rb_num_coerce_bin")
obj.should_receive(:coerce).with(2).and_return([obj, 2])
obj.should_receive(:+).with(2).and_return(3)
@s.rb_num_coerce_bin(2, obj, :+).should == 3
end
it "raises a TypeError if #coerce does not return an Array" do
obj = mock("rb_num_coerce_bin")
obj.should_receive(:coerce).with(2).and_return(nil)
lambda { @s.rb_num_coerce_bin(2, obj, :+) }.should raise_error(TypeError)
end
end
describe "rb_num_coerce_cmp" do
it "calls #coerce on the first argument" do
obj = mock("rb_num_coerce_cmp")
obj.should_receive(:coerce).with(2).and_return([1, 2])
@s.rb_num_coerce_cmp(2, obj, :<=>).should == -1
end
it "calls the specified method on the first argument returned by #coerce" do
obj = mock("rb_num_coerce_cmp")
obj.should_receive(:coerce).with(2).and_return([obj, 2])
obj.should_receive(:<=>).with(2).and_return(-1)
@s.rb_num_coerce_cmp(2, obj, :<=>).should == -1
end
it "returns nil if passed nil" do
@s.rb_num_coerce_cmp(nil, 2, :<=>).should be_nil
end
it "returns nil if #coerce does not return an Array" do
obj = mock("rb_num_coerce_cmp")
obj.should_receive(:coerce).with(2).and_return(nil)
@s.rb_num_coerce_cmp(2, obj, :<=>).should be_nil
end
end
describe "rb_num_coerce_relop" do
it "calls #coerce on the first argument" do
obj = mock("rb_num_coerce_relop")
obj.should_receive(:coerce).with(2).and_return([1, 2])
@s.rb_num_coerce_relop(2, obj, :<).should be_true
end
it "calls the specified method on the first argument returned by #coerce" do
obj = mock("rb_num_coerce_relop")
obj.should_receive(:coerce).with(2).and_return([obj, 2])
obj.should_receive(:<).with(2).and_return(false)
@s.rb_num_coerce_relop(2, obj, :<).should be_false
end
it "raises an ArgumentError if #<op> returns nil" do
obj = mock("rb_num_coerce_relop")
obj.should_receive(:coerce).with(2).and_return([obj, 2])
obj.should_receive(:<).with(2).and_return(nil)
lambda { @s.rb_num_coerce_relop(2, obj, :<) }.should raise_error(ArgumentError)
end
it "raises an ArgumentError if #coerce does not return an Array" do
obj = mock("rb_num_coerce_relop")
obj.should_receive(:coerce).with(2).and_return(nil)
lambda { @s.rb_num_coerce_relop(2, obj, :<) }.should raise_error(ArgumentError)
end
end
end
end
|
