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* range.c (range_max): treat end exclusion without iteration if

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the end value is an integer.  [ruby-talk:167433]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@9613 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
matz 2005-11-25 05:42:28 +00:00
parent 689cc98238
commit 9c5a4caf72
3 changed files with 37 additions and 6 deletions
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5
ChangeLog
View file

@ -1,3 +1,8 @@
Fri Nov 25 14:34:09 2005 Yukihiro Matsumoto <matz@ruby-lang.org>
* range.c (range_max): treat end exclusion without iteration if
the end value is an integer. [ruby-talk:167433]
Fri Nov 25 12:52:57 2005 Kouhei Sutou <kou@cozmixng.org>
* lib/rss/rss.rb: added backward compatibility codes.

18
range.c
View file

@ -457,8 +457,7 @@ range_min(VALUE range)
else {
VALUE b = rb_ivar_get(range, id_beg);
VALUE e = rb_ivar_get(range, id_end);
VALUE r = rb_funcall(b, id_cmp, 1, e);
int c = rb_cmpint(r, b, e);
int c = rb_cmpint(rb_funcall(b, id_cmp, 1, e), b, e);
if (c > 0) return Qnil;
return b;
@ -480,16 +479,23 @@ range_min(VALUE range)
static VALUE
range_max(VALUE range)
{
if (rb_block_given_p() || EXCL(range)) {
VALUE e = rb_ivar_get(range, id_end);
int ip = FIXNUM_P(e) || rb_obj_is_kind_of(e, rb_cInteger);
if (rb_block_given_p() || (EXCL(range) && !ip)) {
return rb_call_super(0, 0);
}
else {
VALUE b = rb_ivar_get(range, id_beg);
VALUE e = rb_ivar_get(range, id_end);
VALUE r = rb_funcall(b, id_cmp, 1, e);
int c = rb_cmpint(r, b, e);
int c = rb_cmpint(rb_funcall(b, id_cmp, 1, e), b, e);
if (c > 0) return Qnil;
if (EXCL(range)) {
if (FIXNUM_P(e)) {
return INT2NUM(FIX2INT(e)-1);
}
return rb_funcall(e, '-', 1, INT2FIX(1));
}
return e;
}
}

20
test/ruby/test_range.rb
View file

@ -31,4 +31,24 @@ class TestRange < Test::Unit::TestCase
def test_duckrange
assert_equal("bc", "abcd"[DuckRange.new(1,2)])
end
def test_min
assert_equal(1, (1..2).min)
assert_equal(nil, (2..1).min)
assert_equal(1, (1...2).min)
assert_equal(1.0, (1.0..2.0).min)
assert_equal(nil, (2.0..1.0).min)
assert_equal(1, (1.0...2.0).min)
end
def test_max
assert_equal(2, (1..2).max)
assert_equal(nil, (2..1).max)
assert_equal(1, (1...2).max)
assert_equal(2.0, (1.0..2.0).max)
assert_equal(nil, (2.0..1.0).max)
assert_raise(TypeError) { (1.0...2.0).max }
end
end