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86613d13d5
parse.y (new_regexp): Fix SEGV of `/#{"\u3042"}#{'?'}/` in non UTF-8
Mixing other encoding string literals in one Regexp caused SEGV.
This bug was found by CoverityScan.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_5@62539 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
30 lines
1.1 KiB
Ruby
30 lines
1.1 KiB
Ruby
# -*- coding: cp932 -*-
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# frozen_string_literal: false
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# This test is in a different file than TestUnicodeEscapes
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# So that we can have a different coding comment above
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require 'test/unit'
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class TestMixedUnicodeEscape < Test::Unit::TestCase
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def test_basic
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# Unicode escapes do work in an sjis encoded file, but only
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# if they don't contain other multi-byte chars
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assert_equal("A", "\u0041")
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# 8-bit character escapes are okay.
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assert_equal("B\xFF", "\u0042\xFF")
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# sjis mb chars mixed with Unicode should not work
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assert_raise(SyntaxError) { eval %q("é<>\u1234")}
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assert_raise(SyntaxError) { eval %q("\u{1234}é<>")}
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# also should not work for Regexp
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assert_raise(SyntaxError) { eval %q(/#{"\u1234"}#{"é<>"}/)}
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assert_raise(RegexpError) { eval %q(/\u{1234}#{nil}é<>/)}
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assert_raise(RegexpError) { eval %q(/é<>#{nil}\u1234/)}
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# String interpolation turns into an expression and we get
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# a different kind of error, but we still can't mix these
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assert_raise(Encoding::CompatibilityError) { eval %q("\u{1234}#{nil}é<>")}
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assert_raise(Encoding::CompatibilityError) { eval %q("é<>#{nil}\u1234")}
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end
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end
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