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Improve error message

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ref [Bug #13761]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@59452 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
kazu 2017-07-31 03:35:22 +00:00
parent 84d83482c8
commit d9d2bbe4b9
2 changed files with 3 additions and 3 deletions
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2
sprintf.c
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@ -521,7 +521,7 @@ rb_str_format(int argc, const VALUE *argv, VALUE fmt)
for (t = p; t < end && *t != '%'; t++) ;
if (t + 1 == end) {
rb_raise(rb_eArgError, "incomplete format specifier");
rb_raise(rb_eArgError, "incomplete format specifier; use %%%% (double %%) instead");
}
PUSH(p, t - p);
if (coderange != ENC_CODERANGE_BROKEN && scanned < blen) {

4
test/ruby/test_sprintf.rb
View file

@ -425,11 +425,11 @@ class TestSprintf < Test::Unit::TestCase
end
def test_percent_sign_at_end
assert_raise_with_message(ArgumentError, "incomplete format specifier") do
assert_raise_with_message(ArgumentError, "incomplete format specifier; use %% (double %) instead") do
sprintf("%")
end
assert_raise_with_message(ArgumentError, "incomplete format specifier") do
assert_raise_with_message(ArgumentError, "incomplete format specifier; use %% (double %) instead") do
sprintf("abc%")
end
end