blob: 1000db180c9fbd8ccf1a7db9886c9fd51c81bef7 (
plain)
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
|
# -*- encoding: utf-8 -*-
require_relative '../../spec_helper'
require_relative 'fixtures/classes'
describe "String#start_with?" do
it "returns true only if beginning match" do
s = "hello"
s.should.start_with?('h')
s.should.start_with?('hel')
s.should_not.start_with?('el')
end
it "returns true only if any beginning match" do
"hello".should.start_with?('x', 'y', 'he', 'z')
end
it "returns true if the search string is empty" do
"hello".should.start_with?("")
"".should.start_with?("")
end
it "converts its argument using :to_str" do
s = "hello"
find = mock('h')
find.should_receive(:to_str).and_return("h")
s.should.start_with?(find)
end
it "ignores arguments not convertible to string" do
"hello".should_not.start_with?()
-> { "hello".start_with?(1) }.should raise_error(TypeError)
-> { "hello".start_with?(["h"]) }.should raise_error(TypeError)
-> { "hello".start_with?(1, nil, "h") }.should raise_error(TypeError)
end
it "uses only the needed arguments" do
find = mock('h')
find.should_not_receive(:to_str)
"hello".should.start_with?("h",find)
end
it "works for multibyte strings" do
"céréale".should.start_with?("cér")
end
ruby_version_is "2.5" do
it "supports regexps" do
regexp = /[h1]/
"hello".should.start_with?(regexp)
"1337".should.start_with?(regexp)
"foxes are 1337".should_not.start_with?(regexp)
"chunky\n12bacon".should_not.start_with?(/12/)
end
it "supports regexps with ^ and $ modifiers" do
regexp1 = /^\d{2}/
regexp2 = /\d{2}$/
"12test".should.start_with?(regexp1)
"test12".should_not.start_with?(regexp1)
"12test".should_not.start_with?(regexp2)
"test12".should_not.start_with?(regexp2)
end
it "sets Regexp.last_match if it returns true" do
regexp = /test-(\d+)/
"test-1337".start_with?(regexp).should be_true
Regexp.last_match.should_not be_nil
Regexp.last_match[1].should == "1337"
$1.should == "1337"
"test-asdf".start_with?(regexp).should be_false
Regexp.last_match.should be_nil
$1.should be_nil
end
end
end
|
