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test_io_m17n.rb: BOM with non-UTF

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* test/ruby/test_io_m17n.rb (test_bom_non_utf): assert BOM with
  non-UTF encoding in encoding option, for r53084.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@53604 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2016-01-21 06:23:18 +00:00
parent c3944b2d1f
commit c3bd53b167
1 changed files with 13 additions and 0 deletions
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13
test/ruby/test_io_m17n.rb
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@ -2103,11 +2103,24 @@ EOT
}
assert_equal(Encoding::US_ASCII, enc)
enc = nil
assert_warn(/BOM/) {
open(__FILE__, "r", encoding: "bom|us-ascii") {|f| enc = f.external_encoding}
}
assert_equal(Encoding::US_ASCII, enc)
enc = nil
assert_warn(/BOM/) {
open(IO::NULL, "w:bom|us-ascii") {|f| enc = f.external_encoding}
}
assert_equal(Encoding::US_ASCII, enc)
enc = nil
assert_warn(/BOM/) {
open(IO::NULL, "w", encoding: "bom|us-ascii") {|f| enc = f.external_encoding}
}
assert_equal(Encoding::US_ASCII, enc)
tlhInganHol = "\u{f8e4 f8d9 f8d7 f8dc f8d0 f8db} \u{f8d6 f8dd f8d9}"
EnvUtil.with_default_external(Encoding::UTF_8) {
assert_warn(/#{tlhInganHol}/) {