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
|
require File.expand_path('../../../spec_helper', __FILE__)
describe "Time.at" do
describe "passed Numeric" do
it "returns a Time object representing the given number of Integer seconds since 1970-01-01 00:00:00 UTC" do
Time.at(1184027924).getgm.asctime.should == "Tue Jul 10 00:38:44 2007"
end
it "returns a Time object representing the given number of Float seconds since 1970-01-01 00:00:00 UTC" do
t = Time.at(10.5)
t.usec.should == 500000.0
t.should_not == Time.at(10)
end
it "returns a non-UTC Time" do
Time.at(1184027924).utc?.should == false
end
it "returns a subclass instance on a Time subclass" do
c = Class.new(Time)
t = c.at(0)
t.should be_an_instance_of(c)
end
it "roundtrips a Rational produced by #to_r" do
t = Time.now()
t2 = Time.at(t.to_r)
t2.should == t
t2.usec.should == t.usec
t2.nsec.should == t.nsec
end
describe "passed BigDecimal" do
it "doesn't round input value" do
require 'bigdecimal'
Time.at(BigDecimal.new('1.1')).to_f.should == 1.1
end
end
end
describe "passed Time" do
it "creates a new time object with the value given by time" do
t = Time.now
Time.at(t).inspect.should == t.inspect
end
it "creates a dup time object with the value given by time" do
t1 = Time.new
t2 = Time.at(t1)
t1.object_id.should_not == t2.object_id
end
it "returns a UTC time if the argument is UTC" do
t = Time.now.getgm
Time.at(t).utc?.should == true
end
it "returns a non-UTC time if the argument is non-UTC" do
t = Time.now
Time.at(t).utc?.should == false
end
it "returns a subclass instance" do
c = Class.new(Time)
t = c.at(Time.now)
t.should be_an_instance_of(c)
end
end
describe "passed non-Time, non-Numeric" do
it "raises a TypeError with a String argument" do
lambda { Time.at("0") }.should raise_error(TypeError)
end
it "raises a TypeError with a nil argument" do
lambda { Time.at(nil) }.should raise_error(TypeError)
end
describe "with an argument that responds to #to_int" do
it "coerces using #to_int" do
o = mock('integer')
o.should_receive(:to_int).and_return(0)
Time.at(o).should == Time.at(0)
end
end
describe "with an argument that responds to #to_r" do
it "coerces using #to_r" do
o = mock_numeric('rational')
o.should_receive(:to_r).and_return(Rational(5, 2))
Time.at(o).should == Time.at(Rational(5, 2))
end
end
end
describe "passed [Integer, Numeric]" do
it "returns a Time object representing the given number of seconds and Integer microseconds since 1970-01-01 00:00:00 UTC" do
t = Time.at(10, 500000)
t.tv_sec.should == 10
t.tv_usec.should == 500000
end
it "returns a Time object representing the given number of seconds and Float microseconds since 1970-01-01 00:00:00 UTC" do
t = Time.at(10, 500.500)
t.tv_sec.should == 10
t.tv_nsec.should == 500500
end
end
describe "with a second argument that responds to #to_int" do
it "coerces using #to_int" do
o = mock('integer')
o.should_receive(:to_int).and_return(10)
Time.at(0, o).should == Time.at(0, 10)
end
end
describe "with a second argument that responds to #to_r" do
it "coerces using #to_r" do
o = mock_numeric('rational')
o.should_receive(:to_r).and_return(Rational(5, 2))
Time.at(0, o).should == Time.at(0, Rational(5, 2))
end
end
describe "passed [Integer, nil]" do
it "raises a TypeError" do
lambda { Time.at(0, nil) }.should raise_error(TypeError)
end
end
describe "passed [Integer, String]" do
it "raises a TypeError" do
lambda { Time.at(0, "0") }.should raise_error(TypeError)
end
end
describe "passed [Time, Integer]" do
# #8173
it "raises a TypeError" do
lambda { Time.at(Time.now, 500000) }.should raise_error(TypeError)
end
end
ruby_version_is "2.5" do
describe "passed [Time, Numeric, format]" do
context ":nanosecond format" do
it "traits second argument as nanoseconds" do
Time.at(0, 123456789, :nanosecond).nsec.should == 123456789
end
end
context ":nsec format" do
it "traits second argument as nanoseconds" do
Time.at(0, 123456789, :nsec).nsec.should == 123456789
end
end
context ":microsecond format" do
it "traits second argument as microseconds" do
Time.at(0, 123456, :microsecond).nsec.should == 123456000
end
end
context ":usec format" do
it "traits second argument as microseconds" do
Time.at(0, 123456, :usec).nsec.should == 123456000
end
end
context ":millisecond format" do
it "traits second argument as milliseconds" do
Time.at(0, 123, :millisecond).nsec.should == 123000000
end
end
context "not supported format" do
it "raises ArgumentError" do
->() { Time.at(0, 123456, 2) }.should raise_error(ArgumentError)
->() { Time.at(0, 123456, nil) }.should raise_error(ArgumentError)
->() { Time.at(0, 123456, :invalid) }.should raise_error(ArgumentError)
end
it "does not try to convert format to Symbol with #to_sym" do
format = "usec"
format.should_not_receive(:to_sym)
-> () { Time.at(0, 123456, format) }.should raise_error(ArgumentError)
end
end
it "supports Float second argument" do
Time.at(0, 123456789.500, :nanosecond).nsec.should == 123456789
Time.at(0, 123456789.500, :nsec).nsec.should == 123456789
Time.at(0, 123456.500, :microsecond).nsec.should == 123456500
Time.at(0, 123456.500, :usec).nsec.should == 123456500
Time.at(0, 123.500, :millisecond).nsec.should == 123500000
end
end
end
end
|