Fresh start

1 files changed, 267 insertions, 0 deletions

diff --git a/jni/ruby/test/-ext-/num2int/test_num2int.rb b/jni/ruby/test/-ext-/num2int/test_num2int.rb
new file mode 100644
index 0000000..f579659
--- /dev/null
+++ b/jni/ruby/test/-ext-/num2int/test_num2int.rb
@@ -0,0 +1,267 @@
+require 'test/unit'
+require '-test-/num2int/num2int'
+
+class TestNum2int < Test::Unit::TestCase
+  SHRT_MIN = -32768
+  SHRT_MAX = 32767
+  USHRT_MAX = 65535
+
+  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
+
+  FIXNUM_MAX = LONG_MAX/2
+  FIXNUM_MIN = LONG_MIN/2
+
+  def fix2big(n)
+    10000000000000000000000000000.coerce(n)[0]
+  end
+
+  def assert_num2i_success_internal(exp, func, arg)
+    mesg = "#{func}(#{arg.inspect})"
+    out = nil
+    assert_nothing_raised(mesg) {
+      out = Num2int.send(func, arg)
+    }
+    assert_equal(exp, out, mesg)
+  end
+
+  def assert_num2i_success(type, num, result=num)
+    func = "NUM2#{type}".upcase
+    assert_num2i_success_internal(result.to_s, func, num)
+    assert_num2i_success_internal(result.to_s, func, fix2big(num))
+    assert_num2i_success_internal(result.to_s, func, Rational(num, 1))
+    if num.to_f.to_i == num
+      assert_num2i_success_internal(result.to_s, func, num.to_f)
+    end
+    # The conversion functions such as NUM2INT uses (conceptually) to_int.
+    if (arg = num.to_f + 0.5) != num.to_f && arg.to_int == num
+      assert_num2i_success_internal(result.to_s, func, arg)
+    end
+    if (arg = num.to_f - 0.5) != num.to_f && arg.to_int == num
+      assert_num2i_success_internal(result.to_s, func, arg)
+    end
+    if (arg = num + Rational(1,2)) && arg.to_int == num
+      assert_num2i_success_internal(result.to_s, func, arg)
+    end
+    if (arg = num - Rational(1,2)) && arg.to_int == num
+      assert_num2i_success_internal(result.to_s, func, arg)
+    end
+  end
+
+  def assert_num2i_error_internal(func, arg)
+    assert_raise(RangeError, "#{func}(#{arg.inspect})") {
+      Num2int.send(func, arg)
+    }
+  end
+
+  def assert_num2i_error(type, num)
+    func = "NUM2#{type}".upcase
+    assert_num2i_error_internal(func, num)
+    assert_num2i_error_internal(func, fix2big(num))
+    assert_num2i_error_internal(func, Rational(num, 1))
+    if num.to_f.to_i == num
+      assert_num2i_error_internal(func, num.to_f)
+    end
+    # The conversion functions such as NUM2INT uses (conceptually) to_int.
+    if (arg = num.to_f + 0.5) != num.to_f && arg.to_int == num
+      assert_num2i_error_internal(func, arg)
+    end
+    if (arg = num.to_f - 0.5) != num.to_f && arg.to_int == num
+      assert_num2i_error_internal(func, arg)
+    end
+    if (arg = num + Rational(1,2)) && arg.to_int == num
+      assert_num2i_error_internal(func, arg)
+    end
+    if (arg = num - Rational(1,2)) && arg.to_int == num
+      assert_num2i_error_internal(func, arg)
+    end
+  end
+
+  def assert_fix2i_success_internal(exp, func, arg)
+    mesg = "#{func}(#{arg.inspect})"
+    out = nil
+    assert_nothing_raised(mesg) {
+      out = Num2int.send(func, arg)
+    }
+    assert_equal(exp, out, mesg)
+  end
+
+  def assert_fix2i_success(type, num, result=num)
+    return if !num.kind_of?(Fixnum)
+    func = "FIX2#{type}".upcase
+    assert_fix2i_success_internal(result.to_s, func, num)
+  end
+
+  def assert_fix2i_error_internal(func, arg)
+    assert_raise(RangeError, "#{func}(#{arg.inspect})") {
+      Num2int.send(func, arg)
+    }
+  end
+
+  def assert_fix2i_error(type, num)
+    return if !num.kind_of?(Fixnum)
+    func = "FIX2#{type}".upcase
+    assert_num2i_error_internal(func, num)
+  end
+
+  def test_num2short
+    assert_num2i_success(:short, SHRT_MIN)
+    assert_num2i_success(:short, SHRT_MIN+1)
+    assert_num2i_success(:short, SHRT_MAX)
+    assert_num2i_error(:short, SHRT_MIN-1)
+    assert_num2i_error(:short, SHRT_MAX+1)
+  end
+
+  def test_num2ushort
+    assert_num2i_success(:ushort, 0)
+    assert_num2i_success(:ushort, USHRT_MAX)
+    assert_num2i_success(:ushort, -1, USHRT_MAX)
+    assert_num2i_success(:ushort, SHRT_MIN, SHRT_MAX+1)
+    assert_num2i_success(:ushort, SHRT_MIN+1, SHRT_MAX+2)
+    assert_num2i_error(:ushort, SHRT_MIN-1)
+    assert_num2i_error(:ushort, USHRT_MAX+1)
+  end
+
+  def test_num2int
+    assert_num2i_success(:int, INT_MIN)
+    assert_num2i_success(:int, INT_MIN+1)
+    assert_num2i_success(:int, INT_MAX)
+    assert_num2i_error(:int, INT_MIN-1)
+    assert_num2i_error(:int, INT_MAX+1)
+  end
+
+  def test_num2uint
+    assert_num2i_success(:uint, 0)
+    assert_num2i_success(:uint, UINT_MAX)
+    assert_num2i_success(:uint, -1, UINT_MAX)
+    assert_num2i_success(:uint, INT_MIN, INT_MAX+1)
+    assert_num2i_success(:uint, INT_MIN+1, INT_MAX+2)
+    assert_num2i_error(:uint, INT_MIN-1)
+    assert_num2i_error(:uint, UINT_MAX+1)
+  end
+
+  def test_num2long
+    assert_num2i_success(:long, LONG_MIN)
+    assert_num2i_success(:long, LONG_MIN+1)
+    assert_num2i_success(:long, LONG_MAX)
+    assert_num2i_error(:long, LONG_MIN-1)
+    assert_num2i_error(:long, LONG_MAX+1)
+    assert_num2i_success(:long, FIXNUM_MIN)
+    assert_num2i_success(:long, FIXNUM_MIN+1)
+    assert_num2i_success(:long, FIXNUM_MIN-1)
+    assert_num2i_success(:long, FIXNUM_MAX)
+    assert_num2i_success(:long, FIXNUM_MAX+1)
+  end
+
+  def test_num2ulong
+    assert_num2i_success(:ulong, 0)
+    assert_num2i_success(:ulong, ULONG_MAX)
+    assert_num2i_success(:ulong, -1, ULONG_MAX)
+    assert_num2i_success(:ulong, LONG_MIN, LONG_MAX+1)
+    assert_num2i_success(:ulong, LONG_MIN+1, LONG_MAX+2)
+    assert_num2i_error(:ulong, LONG_MIN-1)
+    assert_num2i_error(:ulong, ULONG_MAX+1)
+    assert_num2i_success(:ulong, FIXNUM_MIN, ULONG_MAX-FIXNUM_MAX)
+    assert_num2i_success(:ulong, FIXNUM_MIN+1, ULONG_MAX-FIXNUM_MAX+1)
+    assert_num2i_success(:ulong, FIXNUM_MIN-1, ULONG_MAX-FIXNUM_MAX-1)
+    assert_num2i_success(:ulong, FIXNUM_MAX, FIXNUM_MAX)
+    assert_num2i_success(:ulong, FIXNUM_MAX+1, FIXNUM_MAX+1)
+  end
+
+  def test_num2ll
+    assert_num2i_success(:ll, LLONG_MIN)
+    assert_num2i_success(:ll, LLONG_MIN+1)
+    assert_num2i_success(:ll, LLONG_MAX)
+    assert_num2i_error(:ll, LLONG_MIN-1)
+    assert_num2i_error(:ll, LLONG_MAX+1)
+    assert_num2i_success(:ll, FIXNUM_MIN)
+    assert_num2i_success(:ll, FIXNUM_MIN+1)
+    assert_num2i_success(:ll, FIXNUM_MIN-1)
+    assert_num2i_success(:ll, FIXNUM_MAX)
+    assert_num2i_success(:ll, FIXNUM_MAX+1)
+  end if defined?(Num2int.NUM2LL)
+
+  def test_num2ull
+    assert_num2i_success(:ull, 0)
+    assert_num2i_success(:ull, ULLONG_MAX)
+    assert_num2i_success(:ull, -1, ULLONG_MAX)
+    assert_num2i_success(:ull, LLONG_MIN, LLONG_MAX+1)
+    assert_num2i_success(:ull, LLONG_MIN+1, LLONG_MAX+2)
+    assert_num2i_error(:ull, LLONG_MIN-1)
+    assert_num2i_error(:ull, ULLONG_MAX+1)
+    assert_num2i_success(:ull, FIXNUM_MIN, ULLONG_MAX-FIXNUM_MAX)
+    assert_num2i_success(:ull, FIXNUM_MIN+1, ULLONG_MAX-FIXNUM_MAX+1)
+    assert_num2i_success(:ull, FIXNUM_MIN-1, ULLONG_MAX-FIXNUM_MAX-1)
+    assert_num2i_success(:ull, FIXNUM_MAX)
+    assert_num2i_success(:ull, FIXNUM_MAX+1)
+  end if defined?(Num2int.NUM2ULL)
+
+  def test_fix2short
+    assert_fix2i_success(:short, 0)
+    assert_fix2i_success(:short, SHRT_MAX)
+    assert_fix2i_success(:short, SHRT_MIN)
+    assert_fix2i_success(:short, SHRT_MIN+1)
+    assert_fix2i_error(:short, SHRT_MAX+1)
+    assert_fix2i_error(:short, SHRT_MIN-1)
+    assert_fix2i_error(:short, FIXNUM_MAX)
+    assert_fix2i_error(:short, FIXNUM_MIN)
+    assert_fix2i_error(:short, FIXNUM_MIN+1)
+  end
+
+  def test_fix2int
+    assert_fix2i_success(:int, 0)
+    assert_fix2i_success(:int, INT_MAX)
+    assert_fix2i_success(:int, INT_MIN)
+    assert_fix2i_success(:int, INT_MIN+1)
+    assert_fix2i_error(:int, INT_MAX+1)
+    assert_fix2i_error(:int, INT_MIN-1)
+    assert_fix2i_error(:int, FIXNUM_MAX) if INT_MAX < FIXNUM_MAX
+    assert_fix2i_error(:int, FIXNUM_MIN) if FIXNUM_MIN < INT_MIN
+    assert_fix2i_error(:int, FIXNUM_MIN+1) if FIXNUM_MIN+1 < INT_MIN
+  end
+
+  def test_fix2uint
+    assert_fix2i_success(:uint, 0)
+    assert_fix2i_success(:uint, UINT_MAX)
+    assert_fix2i_success(:uint, INT_MAX)
+    assert_fix2i_success(:uint, INT_MIN, INT_MAX+1)
+    assert_fix2i_success(:uint, INT_MIN+1, INT_MAX+2)
+    assert_fix2i_error(:uint, UINT_MAX+1)
+    assert_fix2i_error(:uint, INT_MIN-1)
+    assert_fix2i_error(:uint, FIXNUM_MAX) if UINT_MAX < FIXNUM_MAX
+    assert_fix2i_error(:uint, FIXNUM_MIN) if FIXNUM_MIN < INT_MIN
+    assert_fix2i_error(:uint, FIXNUM_MIN+1) if FIXNUM_MIN+1 < INT_MIN
+  end
+
+  def test_fix2long
+    assert_fix2i_success(:long, 0)
+    assert_fix2i_success(:long, FIXNUM_MAX)
+    assert_fix2i_success(:long, FIXNUM_MIN)
+    assert_fix2i_success(:long, FIXNUM_MIN+1)
+  end
+
+  def test_fix2ulong
+    assert_fix2i_success(:ulong, 0)
+    assert_fix2i_success(:ulong, FIXNUM_MAX)
+    assert_fix2i_success(:ulong, -1, ULONG_MAX)
+  end
+
+end
+
+