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-rw-r--r--test/ruby/test_float.rb6
1 files changed, 6 insertions, 0 deletions
diff --git a/test/ruby/test_float.rb b/test/ruby/test_float.rb
index 67432627d8..7fabfd351d 100644
--- a/test/ruby/test_float.rb
+++ b/test/ruby/test_float.rb
@@ -165,6 +165,12 @@ class TestFloat < Test::Unit::TestCase
end
assert_equal(1.0e10, Float("1.0_"+"00000"*Float::DIG+"e10"))
+
+ z = "0" * (Float::DIG * 4 + 10)
+ all_assertions_foreach("long invalid string", "1.0", "1.0e", "1.0e-", "1.0e+") do |n|
+ assert_raise(ArgumentError, n += z + "A") {Float(n)}
+ assert_raise(ArgumentError, n += z + ".0") {Float(n)}
+ end
end
def test_divmod