* test/ruby/test_array.rb: add some tests (for coverage).

* test/ruby/test_bignum.rb: ditto.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@26351 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

3 files changed, 59 insertions, 0 deletions

diff --git a/ChangeLog b/ChangeLog
index f6174df9a6..932e5124d2 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+Tue Jan 19 02:02:32 2010  Yusuke Endoh  <[email protected]>
+
+	* test/ruby/test_array.rb: add some tests (for coverage).
+
+	* test/ruby/test_bignum.rb: ditto.
+
 Tue Jan 19 01:57:12 2010  Yusuke Endoh  <[email protected]>
 
 	* test/ruby/test_bignum.rb: some coerce definitions (for test) was
diff --git a/test/ruby/test_array.rb b/test/ruby/test_array.rb
index 0797190447..7bfd9dde87 100644
--- a/test/ruby/test_array.rb
+++ b/test/ruby/test_array.rb
@@ -760,6 +760,40 @@ class TestArray < Test::Unit::TestCase
     assert_match(/reentered/, e.message, '[ruby-dev:34798]')
   end
 
+  def test_permutation_with_callcc
+    respond_to?(:callcc, true) or require 'continuation'
+    n = 1000
+    cont = nil
+    ary = [1,2,3]
+    begin
+      ary.permutation {
+        callcc {|k| cont = k} unless cont
+      }
+    rescue => e
+    end
+    n -= 1
+    cont.call if 0 < n
+    assert_instance_of(RuntimeError, e)
+    assert_match(/reentered/, e.message)
+  end
+
+  def test_combination_with_callcc
+    respond_to?(:callcc, true) or require 'continuation'
+    n = 1000
+    cont = nil
+    ary = [1,2,3]
+    begin
+      ary.combination(2) {
+        callcc {|k| cont = k} unless cont
+      }
+    rescue => e
+    end
+    n -= 1
+    cont.call if 0 < n
+    assert_instance_of(RuntimeError, e)
+    assert_match(/reentered/, e.message)
+  end
+
   def test_hash
     a1 = @cls[ 'cat', 'dog' ]
     a2 = @cls[ 'cat', 'dog' ]
@@ -1140,6 +1174,9 @@ class TestArray < Test::Unit::TestCase
     a = @cls[1, 2, 3, 4, 5]
     assert_equal(nil, a.slice!(-6,2))
     assert_equal(@cls[1, 2, 3, 4, 5], a)
+
+    assert_raise(ArgumentError) { @cls[1].slice! }
+    assert_raise(ArgumentError) { @cls[1].slice!(0, 0, 0) }
   end
 
   def test_sort
@@ -1150,6 +1187,8 @@ class TestArray < Test::Unit::TestCase
     assert_equal(@cls[4, 3, 2, 1], a.sort { |x, y| y <=> x} )
     assert_equal(@cls[4, 1, 2, 3], a)
 
+    assert_equal(@cls[1, 2, 3, 4], a.sort { |x, y| (x - y) * (2**100) })
+
     a.fill(1)
     assert_equal(@cls[1, 1, 1, 1], a.sort)
 
@@ -1417,6 +1456,7 @@ class TestArray < Test::Unit::TestCase
     assert_raise(IndexError) { [0][-2] = 1 }
     assert_raise(IndexError) { [0][LONGP] = 2 }
     assert_raise(IndexError) { [0][(LONGP + 1) / 2 - 1] = 2 }
+    assert_raise(IndexError) { [0][LONGP..-1] = 2 }
     a = [0]
     a[2] = 4
     assert_equal([0, nil, 4], a)
diff --git a/test/ruby/test_bignum.rb b/test/ruby/test_bignum.rb
index 8c496a36e6..cba935f121 100644
--- a/test/ruby/test_bignum.rb
+++ b/test/ruby/test_bignum.rb
@@ -175,6 +175,8 @@ class TestBignum < Test::Unit::TestCase
   def test_to_f
     assert_nothing_raised { T31P.to_f.to_i }
     assert_raise(FloatDomainError) { (1024**1024).to_f.to_i }
+    assert_equal(1, (2**50000).to_f.infinite?)
+    assert_equal(-1, (-(2**50000)).to_f.infinite?)
   end
 
   def test_cmp
@@ -414,4 +416,15 @@ class TestBignum < Test::Unit::TestCase
     assert_in_delta(1.0, @fmax2.fdiv(@fmax2), 0.01)
   end
 
+  def test_float_fdiv
+    b = 1E+300.to_i
+    assert_equal(b, (b ** 2).fdiv(b))
+    assert(@big.fdiv(0.0 / 0.0).nan?)
+  end
+
+  def test_obj_fdiv
+    o = Object.new
+    def o.coerce(x); [x, 2**100]; end
+    assert_equal((2**200).to_f, (2**300).fdiv(o))
+  end
 end