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authorkosaki <kosaki@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2011-11-14 03:45:47 +0000
committerkosaki <kosaki@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2011-11-14 03:45:47 +0000
commit74a13c76349b3b463514f60beb9f02c2ba301ad6 (patch)
treea7c43c1a3ce727beeb510a4447bbd92df3aa37bc /test/-ext-/num2int
parent416778c5d80230183ef06a49bb58145a7480ed48 (diff)
* numeric.c (check_uint): fix off-by-one bug of NUM2UINT.
* bignum.c (rb_big2ulong): fix off-by-one bug of NUM2ULONG. * test/-ext-/num2int/test_num2int.rb: add a testcase for NUM2INT() NUM2UINT(), NUM2LONG(), NUM2ULONG(), NUM2LL and NUM2ULL(). * ext/-test-/num2int/depend: ditto. * ext/-test-/num2int/extconf.rb: ditto. * ext/-test-/num2int/num2int.c: ditto. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@33739 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'test/-ext-/num2int')
-rw-r--r--test/-ext-/num2int/test_num2int.rb145
1 files changed, 145 insertions, 0 deletions
diff --git a/test/-ext-/num2int/test_num2int.rb b/test/-ext-/num2int/test_num2int.rb
new file mode 100644
index 0000000..7d021d1
--- /dev/null
+++ b/test/-ext-/num2int/test_num2int.rb
@@ -0,0 +1,145 @@
+require 'test/unit'
+
+class TestNum2int < Test::Unit::TestCase
+ module Num2int
+ end
+ require '-test-/num2int/num2int'
+
+ INT_MIN = -2147483648
+ INT_MAX = 2147483647
+ UINT_MAX = 4294967295
+
+ case [0].pack('L!').size
+ when 4
+ LONG_MAX = 2147483647
+ LONG_MIN = -2147483648
+ ULONG_MAX = 4294967295
+ when 8
+ LONG_MAX = 9223372036854775807
+ LONG_MIN = -9223372036854775808
+ ULONG_MAX = 18446744073709551615
+ end
+
+ LLONG_MAX = 9223372036854775807
+ LLONG_MIN = -9223372036854775808
+ ULLONG_MAX = 18446744073709551615
+
+ def test_num2int
+ assert_output(INT_MIN.to_s) do
+ Num2int.print_num2int(INT_MIN)
+ end
+ assert_output(INT_MAX.to_s) do
+ Num2int.print_num2int(INT_MAX)
+ end
+ assert_raise(RangeError) do
+ Num2int.print_num2int(INT_MIN-1)
+ end
+ assert_raise(RangeError) do
+ Num2int.print_num2int(INT_MAX+1)
+ end
+ end
+
+ def test_num2uint
+ assert_output("0") do
+ Num2int.print_num2uint(0)
+ end
+ assert_output(UINT_MAX.to_s) do
+ Num2int.print_num2uint(UINT_MAX)
+ end
+ assert_output(UINT_MAX.to_s) do
+ Num2int.print_num2uint(-1)
+ end
+ assert_output((INT_MAX+1).to_s) do
+ Num2int.print_num2uint(INT_MIN)
+ end
+ assert_raise(RangeError) do
+ Num2int.print_num2uint(INT_MIN-1)
+ end
+ assert_raise(RangeError) do
+ Num2int.print_num2uint(UINT_MAX+1)
+ end
+ end
+
+ def test_num2long
+ assert_output(LONG_MIN.to_s) do
+ Num2int.print_num2long(LONG_MIN)
+ end
+ assert_output(LONG_MAX.to_s) do
+ Num2int.print_num2long(LONG_MAX)
+ end
+ assert_raise(RangeError) do
+ Num2int.print_num2long(LONG_MIN-1)
+ end
+ assert_raise(RangeError) do
+ Num2int.print_num2long(LONG_MAX+1)
+ end
+ end
+
+ def test_num2ulong
+ assert_output("0") do
+ Num2int.print_num2ulong(0)
+ end
+ assert_output(ULONG_MAX.to_s) do
+ Num2int.print_num2ulong(ULONG_MAX)
+ end
+ assert_output(ULONG_MAX.to_s) do
+ Num2int.print_num2ulong(-1)
+ end
+ assert_output((LONG_MAX+1).to_s) do
+ Num2int.print_num2ulong(LONG_MIN)
+ end
+ assert_raise(RangeError) do
+ Num2int.print_num2ulong(LONG_MIN-1)
+ end
+ assert_raise(RangeError) do
+ Num2int.print_num2ulong(ULONG_MAX+1)
+ end
+ end
+
+ def test_num2ll
+ assert_output(LONG_MIN.to_s) do
+ Num2int.print_num2ll(LONG_MIN)
+ end
+ assert_output(LLONG_MAX.to_s) do
+ Num2int.print_num2ll(LLONG_MAX)
+ end
+ assert_raise(RangeError) do
+ Num2int.print_num2ll(LLONG_MIN-1)
+ end
+ assert_raise(RangeError) do
+ Num2int.print_num2ll(LLONG_MAX+1)
+ end
+ end
+
+ def test_num2ull
+ assert_output("0") do
+ Num2int.print_num2ull(0)
+ end
+ assert_output(ULLONG_MAX.to_s) do
+ Num2int.print_num2ull(ULLONG_MAX)
+ end
+ assert_output(ULLONG_MAX.to_s) do
+ Num2int.print_num2ull(-1)
+ end
+ assert_output((LLONG_MAX+2).to_s) do
+ Num2int.print_num2ull(LLONG_MIN+1)
+ end
+
+ # maybe bug
+ assert_output((LLONG_MAX).to_s) do
+ Num2int.print_num2ull(LLONG_MIN-1)
+ end
+ # maybe bug
+ assert_output(1.to_s) do
+ Num2int.print_num2ull(LLONG_MIN*2+1)
+ end
+ assert_raise(RangeError) do
+ Num2int.print_num2ull(LLONG_MIN*2)
+ end
+ assert_raise(RangeError) do
+ Num2int.print_num2ull(ULLONG_MAX+1)
+ end
+ end
+end
+
+