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 'test/unit'
class TestISeq < Test::Unit::TestCase
ISeq = RubyVM::InstructionSequence
def test_no_linenum
bug5894 = '[ruby-dev:45130]'
assert_normal_exit('p RubyVM::InstructionSequence.compile("1", "mac", "", 0).to_a', bug5894)
end
def lines src
body = RubyVM::InstructionSequence.new(src).to_a[13]
body.find_all{|e| e.kind_of? Fixnum}
end
def test_to_a_lines
src = <<-EOS
p __LINE__ # 1
p __LINE__ # 2
# 3
p __LINE__ # 4
EOS
assert_equal [1, 2, 4], lines(src)
src = <<-EOS
# 1
p __LINE__ # 2
# 3
p __LINE__ # 4
# 5
EOS
assert_equal [2, 4], lines(src)
src = <<-EOS
1 # should be optimized out
2 # should be optimized out
p __LINE__ # 3
p __LINE__ # 4
5 # should be optimized out
6 # should be optimized out
p __LINE__ # 7
8 # should be optimized out
9
EOS
assert_equal [3, 4, 7, 9], lines(src)
end
def test_unsupport_type
ary = RubyVM::InstructionSequence.compile("p").to_a
ary[9] = :foobar
assert_raise_with_message(TypeError, /:foobar/) {RubyVM::InstructionSequence.load(ary)}
end if defined?(RubyVM::InstructionSequence.load)
def test_disasm_encoding
src = "\u{3042} = 1; \u{3042}; \u{3043}"
asm = RubyVM::InstructionSequence.compile(src).disasm
assert_equal(src.encoding, asm.encoding)
assert_predicate(asm, :valid_encoding?)
src.encode!(Encoding::Shift_JIS)
asm = RubyVM::InstructionSequence.compile(src).disasm
assert_equal(src.encoding, asm.encoding)
assert_predicate(asm, :valid_encoding?)
end
LINE_BEFORE_METHOD = __LINE__
def method_test_line_trace
a = 1
b = 2
end
def test_line_trace
iseq = ISeq.compile \
%q{ a = 1
b = 2
c = 3
# d = 4
e = 5
# f = 6
g = 7
}
assert_equal([1, 2, 3, 5, 7], iseq.line_trace_all)
iseq.line_trace_specify(1, true) # line 2
iseq.line_trace_specify(3, true) # line 5
result = []
TracePoint.new(:specified_line){|tp|
result << tp.lineno
}.enable{
iseq.eval
}
assert_equal([2, 5], result)
iseq = ISeq.of(self.class.instance_method(:method_test_line_trace))
assert_equal([LINE_BEFORE_METHOD + 3, LINE_BEFORE_METHOD + 5], iseq.line_trace_all)
end if false # TODO: now, it is only for C APIs.
LINE_OF_HERE = __LINE__
def test_location
iseq = ISeq.of(method(:test_location))
assert_equal(__FILE__, iseq.path)
assert_match(/#{__FILE__}/, iseq.absolute_path)
assert_equal("test_location", iseq.label)
assert_equal("test_location", iseq.base_label)
assert_equal(LINE_OF_HERE+1, iseq.first_lineno)
line = __LINE__
iseq = ISeq.of(Proc.new{})
assert_equal(__FILE__, iseq.path)
assert_match(/#{__FILE__}/, iseq.absolute_path)
assert_equal("test_location", iseq.base_label)
assert_equal("block in test_location", iseq.label)
assert_equal(line+1, iseq.first_lineno)
end
def test_label_fstring
c = Class.new{ def foobar() end }
a, b = eval("# encoding: us-ascii\n'foobar'.freeze"),
ISeq.of(c.instance_method(:foobar)).label
assert_same a, b
end
def test_disable_opt
src = "a['foo'] = a['bar']; 'a'.freeze"
_,_,_,_,_,_,_,_,_,_,_,_,_,body= RubyVM::InstructionSequence.compile(src, __FILE__, __FILE__, __LINE__, false).to_a
body.each{|insn|
next if Integer === insn
op = insn.first
assert(!op.to_s.match(/^opt_/), "#{op}")
}
end
end
|
