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
|
require_relative '../../spec_helper'
require_relative 'fixtures/clocks'
describe "Process.clock_gettime" do
ProcessSpecs.clock_constants.each do |name, value|
it "can be called with Process::#{name}" do
Process.clock_gettime(value).should be_an_instance_of(Float)
end
end
describe 'time units' do
it 'handles a fixed set of time units' do
[:nanosecond, :microsecond, :millisecond, :second].each do |unit|
Process.clock_gettime(Process::CLOCK_MONOTONIC, unit).should be_kind_of(Integer)
end
[:float_microsecond, :float_millisecond, :float_second].each do |unit|
Process.clock_gettime(Process::CLOCK_MONOTONIC, unit).should be_an_instance_of(Float)
end
end
it 'raises an ArgumentError for an invalid time unit' do
-> { Process.clock_gettime(Process::CLOCK_MONOTONIC, :bad) }.should raise_error(ArgumentError)
end
it 'defaults to :float_second' do
t1 = Process.clock_gettime(Process::CLOCK_MONOTONIC)
t2 = Process.clock_gettime(Process::CLOCK_MONOTONIC, :float_second)
t1.should be_an_instance_of(Float)
t2.should be_an_instance_of(Float)
t2.should be_close(t1, TIME_TOLERANCE)
end
it 'uses the default time unit (:float_second) when passed nil' do
t1 = Process.clock_gettime(Process::CLOCK_MONOTONIC, nil)
t2 = Process.clock_gettime(Process::CLOCK_MONOTONIC, :float_second)
t1.should be_an_instance_of(Float)
t2.should be_an_instance_of(Float)
t2.should be_close(t1, TIME_TOLERANCE)
end
end
describe "supports the platform clocks mentioned in the documentation" do
it "CLOCK_REALTIME" do
Process.clock_gettime(Process::CLOCK_REALTIME).should be_an_instance_of(Float)
end
it "CLOCK_MONOTONIC" do
Process.clock_gettime(Process::CLOCK_MONOTONIC).should be_an_instance_of(Float)
end
# These specs need macOS 10.12+ / darwin 16+
guard_not -> { platform_is_not(:darwin) or RUBY_PLATFORM[/darwin\d+/].to_i >= 16 } do
platform_is :linux, :openbsd, :darwin do
it "CLOCK_PROCESS_CPUTIME_ID" do
Process.clock_gettime(Process::CLOCK_PROCESS_CPUTIME_ID).should be_an_instance_of(Float)
end
end
platform_is :linux, :freebsd, :openbsd, :darwin do
it "CLOCK_THREAD_CPUTIME_ID" do
Process.clock_gettime(Process::CLOCK_THREAD_CPUTIME_ID).should be_an_instance_of(Float)
end
end
platform_is :freebsd, :openbsd do
it "CLOCK_VIRTUAL" do
Process.clock_gettime(Process::CLOCK_VIRTUAL).should be_an_instance_of(Float)
end
it "CLOCK_PROF" do
Process.clock_gettime(Process::CLOCK_PROF).should be_an_instance_of(Float)
end
it "CLOCK_UPTIME" do
Process.clock_gettime(Process::CLOCK_UPTIME).should be_an_instance_of(Float)
end
end
platform_is :linux, :darwin do
it "CLOCK_MONOTONIC_RAW" do
Process.clock_gettime(Process::CLOCK_MONOTONIC_RAW).should be_an_instance_of(Float)
end
end
platform_is :darwin do
it "CLOCK_MONOTONIC_RAW_APPROX" do
Process.clock_gettime(Process::CLOCK_MONOTONIC_RAW_APPROX).should be_an_instance_of(Float)
end
it "CLOCK_UPTIME_RAW and CLOCK_UPTIME_RAW_APPROX" do
Process.clock_gettime(Process::CLOCK_UPTIME_RAW).should be_an_instance_of(Float)
Process.clock_gettime(Process::CLOCK_UPTIME_RAW_APPROX).should be_an_instance_of(Float)
end
end
platform_is :freebsd do
it "CLOCK_REALTIME_FAST and CLOCK_REALTIME_PRECISE" do
Process.clock_gettime(Process::CLOCK_REALTIME_FAST).should be_an_instance_of(Float)
Process.clock_gettime(Process::CLOCK_REALTIME_PRECISE).should be_an_instance_of(Float)
end
it "CLOCK_MONOTONIC_FAST and CLOCK_MONOTONIC_PRECISE" do
Process.clock_gettime(Process::CLOCK_MONOTONIC_FAST).should be_an_instance_of(Float)
Process.clock_gettime(Process::CLOCK_MONOTONIC_PRECISE).should be_an_instance_of(Float)
end
it "CLOCK_UPTIME_FAST and CLOCK_UPTIME_PRECISE" do
Process.clock_gettime(Process::CLOCK_UPTIME_FAST).should be_an_instance_of(Float)
Process.clock_gettime(Process::CLOCK_UPTIME_PRECISE).should be_an_instance_of(Float)
end
it "CLOCK_SECOND" do
Process.clock_gettime(Process::CLOCK_SECOND).should be_an_instance_of(Float)
end
end
platform_is :linux do
it "CLOCK_REALTIME_COARSE and CLOCK_REALTIME_ALARM" do
Process.clock_gettime(Process::CLOCK_REALTIME_COARSE).should be_an_instance_of(Float)
Process.clock_gettime(Process::CLOCK_REALTIME_ALARM).should be_an_instance_of(Float)
end
it "CLOCK_MONOTONIC_COARSE" do
Process.clock_gettime(Process::CLOCK_MONOTONIC_COARSE).should be_an_instance_of(Float)
end
it "CLOCK_BOOTTIME and CLOCK_BOOTTIME_ALARM" do
Process.clock_gettime(Process::CLOCK_BOOTTIME).should be_an_instance_of(Float)
Process.clock_gettime(Process::CLOCK_BOOTTIME_ALARM).should be_an_instance_of(Float)
end
end
end
end
end
|