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 0000000000..7d021d1955
--- /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
+
+