public void TestFloatConverter()
{
FloatConverter floatConverter = new FloatConverter();
Assert.True(floatConverter.CanConvertTo(typeof(float)));
Assert.True(floatConverter.CanConvertTo(typeof(double)));
Assert.True(floatConverter.CanConvertTo(typeof(decimal)));
Assert.False(floatConverter.CanConvertTo(typeof(string)));
Assert.False(floatConverter.CanConvertTo(typeof(int)));
Assert.False(floatConverter.CanConvertTo(typeof(Enum)));
Assert.True(floatConverter.CanConvertFrom(" 10 "));
Assert.True(floatConverter.CanConvertFrom("1.0"));
Assert.True(floatConverter.CanConvertFrom(" .2"));
Assert.True(floatConverter.CanConvertFrom(" 0 "));
Assert.True(floatConverter.CanConvertFrom(" 1,000,000"));
Assert.True(floatConverter.CanConvertFrom(" 123.456 "));
Assert.True(floatConverter.CanConvertFrom(".123"));
Assert.True(floatConverter.CanConvertFrom(" 1,234,567.89 "));
Assert.True(floatConverter.CanConvertFrom("1e2"));
Assert.True(floatConverter.CanConvertFrom("12E-3"));
Assert.True(floatConverter.CanConvertFrom("1.2E4"));
Assert.False(floatConverter.CanConvertFrom("abc"));
Assert.False(floatConverter.CanConvertFrom(""));
Assert.False(floatConverter.CanConvertFrom(" "));
Assert.False(floatConverter.CanConvertFrom("."));
Assert.False(floatConverter.CanConvertFrom("abc123"));
Assert.False(floatConverter.CanConvertFrom("1 2 3"));
Assert.False(floatConverter.CanConvertFrom("123e"));
Assert.False(floatConverter.CanConvertFrom("e123"));
Assert.Equal(1.0f, floatConverter.Convert(typeof(float), "1"));
Assert.Equal(0.123d, floatConverter.Convert(typeof(double), " .123"));
Assert.Equal(1234567m, floatConverter.Convert(typeof(decimal), "1,234,567 "));
Assert.Equal(123.0m, floatConverter.Convert(typeof(object), " 123"));
Assert.Equal(12.3f, floatConverter.Convert(typeof(float), " 1,2.3"));
Assert.Equal(123.456d, floatConverter.Convert(typeof(double), "123.456 "));
Assert.Equal(1.00001m, floatConverter.Convert(typeof(decimal), "00001.00001"));
Assert.Equal(0.123m, floatConverter.Convert(typeof(object), ".123 "));
Assert.Equal(1234567.89f, floatConverter.Convert(typeof(float), "1,234,567.89 "));
Assert.Equal(123456789.0d, floatConverter.Convert(typeof(double), " 1,2,3,4,5,6,7,8,9"));
Assert.Equal(0.0m, floatConverter.Convert(typeof(decimal), " 00000 "));
Assert.Equal(1234.0m, floatConverter.Convert(typeof(object), "1,234"));
Assert.Equal(12000.0f, floatConverter.Convert(typeof(float), "12e3"));
Assert.Equal(0.01d, floatConverter.Convert(typeof(double), "10e-3"));
Assert.Equal(10000000000000000.0m, floatConverter.Convert(typeof(decimal), " 10E+15 "));
Assert.Equal(0.00035m, floatConverter.Convert(typeof(object), "3.5E-4"));
Assert.Throws <InvalidOperationException>(() => floatConverter.Convert(typeof(float), "."));
Assert.Throws <InvalidOperationException>(() => floatConverter.Convert(typeof(double), "122abc"));
Assert.Throws <InvalidOperationException>(() => floatConverter.Convert(typeof(decimal), " 1 2 3 4 "));
Assert.Throws <InvalidOperationException>(() => floatConverter.Convert(typeof(object), "123..123"));
Assert.Throws <InvalidOperationException>(() => floatConverter.Convert(typeof(float), "e"));
Assert.Throws <InvalidOperationException>(() => floatConverter.Convert(typeof(double), "1E"));
Assert.Throws <InvalidOperationException>(() => floatConverter.Convert(typeof(decimal), " 3E"));
Assert.Throws <InvalidOperationException>(() => floatConverter.Convert(typeof(object), " 3e4E-1 "));
}
