blob: 6eb8ac29406322dd355e8b02125d447d1eb36406 (
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
|
require 'spec_helper'
require 'mspec/expectations/expectations'
require 'mspec/guards'
require 'mspec/helpers'
require 'mspec/matchers'
describe InfinityMatcher do
it "matches when actual is infinite and has the correct sign" do
InfinityMatcher.new(1).matches?(infinity_value).should == true
InfinityMatcher.new(-1).matches?(-infinity_value).should == true
end
it "does not match when actual is not infinite" do
InfinityMatcher.new(1).matches?(1.0).should == false
InfinityMatcher.new(-1).matches?(-1.0).should == false
end
it "does not match when actual is infinite but has the incorrect sign" do
InfinityMatcher.new(1).matches?(-infinity_value).should == false
InfinityMatcher.new(-1).matches?(infinity_value).should == false
end
it "provides a useful failure message" do
matcher = InfinityMatcher.new(-1)
matcher.matches?(0)
matcher.failure_message.should == ["Expected 0", "to be -Infinity"]
end
it "provides a useful negative failure message" do
matcher = InfinityMatcher.new(1)
matcher.matches?(infinity_value)
matcher.negative_failure_message.should == ["Expected Infinity", "not to be Infinity"]
end
end
|
