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
|
# -*- encoding: utf-8 -*-
require File.expand_path('../../../spec_helper', __FILE__)
require File.expand_path('../fixtures/classes.rb', __FILE__)
describe "String#casecmp independent of case" do
it "returns -1 when less than other" do
"a".casecmp("b").should == -1
"A".casecmp("b").should == -1
end
it "returns 0 when equal to other" do
"a".casecmp("a").should == 0
"A".casecmp("a").should == 0
end
it "returns 1 when greater than other" do
"b".casecmp("a").should == 1
"B".casecmp("a").should == 1
end
it "tries to convert other to string using to_str" do
other = mock('x')
other.should_receive(:to_str).and_return("abc")
"abc".casecmp(other).should == 0
end
ruby_version_is ""..."2.5" do
it "raises a TypeError if other can't be converted to a string" do
lambda { "abc".casecmp(mock('abc')) }.should raise_error(TypeError)
end
end
ruby_version_is "2.5" do
it "returns nil if other can't be converted to a string" do
"abc".casecmp(mock('abc')).should be_nil
end
end
describe "in UTF-8 mode" do
describe "for non-ASCII characters" do
before :each do
@upper_a_tilde = "Ã"
@lower_a_tilde = "ã"
@upper_a_umlaut = "Ä"
@lower_a_umlaut = "ä"
end
it "returns -1 when numerically less than other" do
@upper_a_tilde.casecmp(@lower_a_tilde).should == -1
@upper_a_tilde.casecmp(@upper_a_umlaut).should == -1
end
it "returns 0 when numerically equal to other" do
@upper_a_tilde.casecmp(@upper_a_tilde).should == 0
end
it "returns 1 when numerically greater than other" do
@lower_a_umlaut.casecmp(@upper_a_umlaut).should == 1
@lower_a_umlaut.casecmp(@lower_a_tilde).should == 1
end
end
describe "for ASCII characters" do
it "returns -1 when less than other" do
"a".casecmp("b").should == -1
"A".casecmp("b").should == -1
end
it "returns 0 when equal to other" do
"a".casecmp("a").should == 0
"A".casecmp("a").should == 0
end
it "returns 1 when greater than other" do
"b".casecmp("a").should == 1
"B".casecmp("a").should == 1
end
end
end
describe "for non-ASCII characters" do
before :each do
@upper_a_tilde = "\xc3"
@lower_a_tilde = "\xe3"
end
it "returns -1 when numerically less than other" do
@upper_a_tilde.casecmp(@lower_a_tilde).should == -1
end
it "returns 0 when equal to other" do
@upper_a_tilde.casecmp("\xc3").should == 0
end
it "returns 1 when numerically greater than other" do
@lower_a_tilde.casecmp(@upper_a_tilde).should == 1
end
end
describe "when comparing a subclass instance" do
it "returns -1 when less than other" do
b = StringSpecs::MyString.new "b"
"a".casecmp(b).should == -1
"A".casecmp(b).should == -1
end
it "returns 0 when equal to other" do
a = StringSpecs::MyString.new "a"
"a".casecmp(a).should == 0
"A".casecmp(a).should == 0
end
it "returns 1 when greater than other" do
a = StringSpecs::MyString.new "a"
"b".casecmp(a).should == 1
"B".casecmp(a).should == 1
end
end
end
ruby_version_is "2.4" do
describe 'String#casecmp? independent of case' do
it 'returns true when equal to other' do
'abc'.casecmp?('abc').should == true
'abc'.casecmp?('ABC').should == true
end
it 'returns false when not equal to other' do
'abc'.casecmp?('DEF').should == false
'abc'.casecmp?('def').should == false
end
it "tries to convert other to string using to_str" do
other = mock('x')
other.should_receive(:to_str).and_return("abc")
"abc".casecmp?(other).should == true
end
describe 'for UNICODE characters' do
it 'returns true when downcase(:fold) on unicode' do
'äöü'.casecmp?('ÄÖÜ').should == true
end
end
describe "when comparing a subclass instance" do
it 'returns true when equal to other' do
a = StringSpecs::MyString.new "a"
'a'.casecmp?(a).should == true
'A'.casecmp?(a).should == true
end
it 'returns false when not equal to other' do
b = StringSpecs::MyString.new "a"
'b'.casecmp?(b).should == false
'B'.casecmp?(b).should == false
end
end
describe "in UTF-8 mode" do
describe "for non-ASCII characters" do
before :each do
@upper_a_tilde = "Ã"
@lower_a_tilde = "ã"
@upper_a_umlaut = "Ä"
@lower_a_umlaut = "ä"
end
it "returns true when they are the same with normalized case" do
@upper_a_tilde.casecmp?(@lower_a_tilde).should == true
end
it "returns false when they are unrelated" do
@upper_a_tilde.casecmp?(@upper_a_umlaut).should == false
end
it "returns true when they have the same bytes" do
@upper_a_tilde.casecmp?(@upper_a_tilde).should == true
end
end
end
end
end
|
