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require 'test/unit'
require_relative 'envutil'
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 test_unsupport_type
ary = RubyVM::InstructionSequence.compile("p").to_a
ary[9] = :foobar
e = assert_raise(TypeError) {RubyVM::InstructionSequence.load(ary)}
assert_match(/:foobar/, e.message)
end if defined?(RubyVM::InstructionSequence.load)
def test_disasm_encoding
src = "\u{3042} = 1; \u{3042}"
enc, Encoding.default_internal = Encoding.default_internal, src.encoding
assert_equal(src.encoding, RubyVM::InstructionSequence.compile(src).disasm.encoding)
src.encode!(Encoding::Shift_JIS)
assert_equal(true, RubyVM::InstructionSequence.compile(src).disasm.ascii_only?)
ensure
Encoding.default_internal = enc
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
LINE_OF_HERE = __LINE__
def test_location
iseq = ISeq.of(method(:test_location))
assert_equal(__FILE__, iseq.path)
assert(/#{__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(/#{__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
end
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