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
|
require "hardware"
module Hardware
describe CPU do
describe "::type" do
it "returns the current CPU's type as a symbol, or :dunno if it cannot be detected" do
expect(
[
:intel,
:ppc,
:dunno,
],
).to include(described_class.type)
end
end
describe "::family" do
it "returns the current CPU's family name as a symbol, or :dunno if it cannot be detected" do
skip "Needs an Intel CPU." unless described_class.intel?
expect(
[
:core,
:core2,
:penryn,
:nehalem,
:arrandale,
:sandybridge,
:ivybridge,
:haswell,
:broadwell,
:skylake,
:kabylake,
:dunno,
],
).to include(described_class.family)
end
end
describe "::can_run?" do
it "reports that Intel machines can run Intel executables" do
allow(Hardware::CPU).to receive(:type).and_return :intel
allow(Hardware::CPU).to receive(:bits).and_return 64
expect(Hardware::CPU.can_run?(:i386)).to be true
expect(Hardware::CPU.can_run?(:x86_64)).to be true
end
it "reports that PowerPC machines can run PowerPC executables" do
allow(Hardware::CPU).to receive(:type).and_return :ppc
allow(Hardware::CPU).to receive(:bits).and_return 64
expect(Hardware::CPU.can_run?(:ppc)).to be true
expect(Hardware::CPU.can_run?(:ppc64)).to be true
end
it "reports that 32-bit Intel machines can't run x86_64 executables" do
allow(Hardware::CPU).to receive(:type).and_return :intel
allow(Hardware::CPU).to receive(:bits).and_return 32
expect(Hardware::CPU.can_run?(:x86_64)).to be false
end
it "reports that 32-bit PowerPC machines can't run ppc64 executables" do
allow(Hardware::CPU).to receive(:type).and_return :ppc
allow(Hardware::CPU).to receive(:bits).and_return 32
expect(Hardware::CPU.can_run?(:ppc64)).to be false
end
it "identifies that Intel and PowerPC machines can't run each others' executables" do
allow(Hardware::CPU).to receive(:type).and_return :ppc
expect(Hardware::CPU.can_run?(:i386)).to be false
expect(Hardware::CPU.can_run?(:x86_64)).to be false
allow(Hardware::CPU).to receive(:type).and_return :intel
expect(Hardware::CPU.can_run?(:ppc)).to be false
expect(Hardware::CPU.can_run?(:ppc64)).to be false
end
it "returns false for unknown CPU types" do
allow(Hardware::CPU).to receive(:type).and_return :dunno
expect(Hardware::CPU.can_run?(:i386)).to be false
end
it "returns false for unknown arches" do
expect(Hardware::CPU.can_run?(:blah)).to be false
end
end
end
end
|
