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-rw-r--r--test/-ext-/array/test_resize.rb29
1 files changed, 29 insertions, 0 deletions
diff --git a/test/-ext-/array/test_resize.rb b/test/-ext-/array/test_resize.rb
new file mode 100644
index 0000000000..d9084b652d
--- /dev/null
+++ b/test/-ext-/array/test_resize.rb
@@ -0,0 +1,29 @@
+require 'test/unit'
+require '-test-/array/resize'
+
+class TestArray < Test::Unit::TestCase
+ class TestResize < Test::Unit::TestCase
+ def test_expand
+ feature = '[ruby-dev:42912]'
+ ary = [*1..10]
+ ary.resize(10)
+ assert_equal(10, ary.size, feature)
+ assert_equal([*1..10], ary, feature)
+ ary.resize(100)
+ assert_equal(100, ary.size, feature)
+ assert_equal([*1..10]+[nil]*90, ary, feature)
+ ary.resize(20)
+ assert_equal(20, ary.size, feature)
+ assert_equal([*1..10]+[nil]*10, ary, feature)
+ ary.resize(2)
+ assert_equal(2, ary.size, feature)
+ assert_equal([1,2], ary, feature)
+ ary.resize(3)
+ assert_equal(3, ary.size, feature)
+ assert_equal([1,2,nil], ary, feature)
+ ary.resize(10)
+ assert_equal(10, ary.size, feature)
+ assert_equal([1,2]+[nil]*8, ary, feature)
+ end
+ end
+end