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Retain behavior of Numeric#step when nil is given as second argument.

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* numeric.c (NUM_STEP_SCAN_ARGS): On sencond thought, keep
  Numeral#step backward compatible in that it raises TypeError
  when nil is given as second argument.

* test/ruby/test_float.rb (TestFloat#test_num2dbl): Revert.

* test/ruby/test_numeric.rb (TestNumeric#test_step): Fix test
  cases for the above change.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@42788 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
knu 2013-09-02 22:54:58 +00:00
parent 0c3d124571
commit c68596aef1
4 changed files with 19 additions and 2 deletions
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4
test/ruby/test_numeric.rb
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@ -229,8 +229,8 @@ class TestNumeric < Test::Unit::TestCase
assert_raise(ArgumentError) { 1.step(10, 0).size }
assert_raise(TypeError) { 1.step(10, "1") { } }
assert_raise(TypeError) { 1.step(10, "1").size }
assert_nothing_raised { 1.step(10, nil) { } }
assert_nothing_raised { 1.step(10, nil).size }
assert_raise(TypeError) { 1.step(10, nil) { } }
assert_raise(TypeError) { 1.step(10, nil).size }
assert_nothing_raised { 1.step(by: 0, to: nil) }
assert_nothing_raised { 1.step(by: 0, to: nil).size }
assert_nothing_raised { 1.step(by: 0) }