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test/ruby/test_iseq.rb: hexdump to diff

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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@63110 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2018-04-07 03:48:45 +00:00
parent eaf5e34b70
commit 2de68923da
1 changed files with 11 additions and 2 deletions
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13
test/ruby/test_iseq.rb
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@ -396,6 +396,12 @@ class TestISeq < Test::Unit::TestCase
}
end
def hexdump(bin)
bin.unpack1("H*").gsub(/.{1,32}/) {|s|
"#{'%04x:' % $~.begin(0)}#{s.gsub(/../, " \\&").tap{|_|_[24]&&="-"}}\n"
}
end
def assert_iseq_to_binary(code, mesg = nil)
skip "does not work on other than x86" unless /x(?:86|64)|i\d86/ =~ RUBY_PLATFORM
iseq = RubyVM::InstructionSequence.compile(code)
@ -406,10 +412,13 @@ class TestISeq < Test::Unit::TestCase
raise
end
10.times do
assert_equal(bin, iseq.to_binary, mesg)
bin2 = iseq.to_binary
assert_equal(bin, bin2, message(mesg) {diff hexdump(bin), hexdump(bin2)})
end
iseq2 = RubyVM::InstructionSequence.load_from_binary(bin)
assert_equal(iseq.to_a, iseq2.to_a, mesg)
a1 = iseq.to_a
a2 = iseq2.to_a
assert_equal(a1, a2, message(mesg) {diff iseq.disassemble, iseq2.disassemble})
iseq2
end