private static Parse GenerateParseLazy(Type lazyParserType, ValueAttribute attribute)
{
var parse = typeof(IParser).GetMethod("Parse", new[] { typeof(string), typeof(IFormatProvider) });
var instance = Activator.CreateInstance(lazyParserType, attribute);
return((value, provider) => parse.Invoke(instance, new object[] { value, provider }));
}
public void TestParseWithImplicitParser()
{
var expected = new TestClass(1);
var attribute = new ValueAttribute();
var actual = attribute.Parse("1", typeof(TestClass));
Assert.That(actual, Is.EqualTo(expected));
}
public void TestParseBoolean()
{
bool expected = true;
var expectedType = typeof(Boolean);
var attribute = new ValueAttribute();
var actual = attribute.Parse("True", expectedType);
Assert.That(actual.GetType(), Is.EqualTo(expectedType));
Assert.That(actual, Is.EqualTo(expected));
}
public string TestFormatNumberWithFormatString(object value, string format, string cultureName)
{
var attribute = new ValueAttribute()
{
CultureName = cultureName,
FormatString = format
};
return attribute.Format(value);
}
public void TestParseUInt64()
{
ulong expected = 1;
var expectedType = typeof(UInt64);
var attribute = new ValueAttribute();
var actual = attribute.Parse("1", expectedType);
Assert.That(actual.GetType(), Is.EqualTo(expectedType));
Assert.That(actual, Is.EqualTo(expected));
}
public void TestParseInt32()
{
int expected = 1;
var expectedType = typeof(Int32);
var attribute = new ValueAttribute();
var actual = attribute.Parse("1", expectedType);
Assert.That(actual.GetType(), Is.EqualTo(expectedType));
Assert.That(actual, Is.EqualTo(expected));
}
public void TestParseString()
{
var expected = "Foo";
var expectedType = typeof(String);
var attribute = new ValueAttribute();
var actual = attribute.Parse("Foo", expectedType);
Assert.That(actual.GetType(), Is.EqualTo(expectedType));
Assert.That(actual, Is.EqualTo(expected));
}
public void TestParseChar()
{
char expected = 'K';
var expectedType = typeof(Char);
var attribute = new ValueAttribute();
var actual = attribute.Parse("K", expectedType);
Assert.That(actual.GetType(), Is.EqualTo(expectedType));
Assert.That(actual, Is.EqualTo(expected));
}
public void TestParseDouble()
{
double expected = 1.5;
var expectedType = typeof(Double);
var attribute = new ValueAttribute();
var actual = attribute.Parse("1.5", expectedType);
Assert.That(actual.GetType(), Is.EqualTo(expectedType));
Assert.That(actual, Is.EqualTo(expected));
}
public void TestParseEnum()
{
var expected = TestEnum.TestValue;
var expectedType = typeof(TestEnum);
var attribute = new ValueAttribute();
var actual = attribute.Parse("testvalue", expectedType);
Assert.That(actual.GetType(), Is.EqualTo(expectedType));
Assert.That(actual, Is.EqualTo(expected));
}
public string TestFormatNumberWithFormatString(object value, string format, string cultureName)
{
var attribute = new ValueAttribute()
{
CultureName = cultureName,
FormatString = format
};
return(attribute.Format(value));
}
public string TestFormatDateTimeWithFormatString(string format, string cultureName)
{
var datetime = new DateTime(2000, 1, 23, 4, 56, 7, 890);
var attribute = new ValueAttribute()
{
CultureName = cultureName,
FormatString = format
};
return attribute.Format(datetime);
}
public void TestParseBoolean()
{
bool expected = true;
var expectedType = typeof(Boolean);
var attribute = new ValueAttribute();
var actual = attribute.Parse("True", expectedType);
Assert.That(actual.GetType(), Is.EqualTo(expectedType));
Assert.That(actual, Is.EqualTo(expected));
}
public string TestFormatDateTimeWithFormatString(string format, string cultureName)
{
var datetime = new DateTime(2000, 1, 23, 4, 56, 7, 890);
var attribute = new ValueAttribute()
{
CultureName = cultureName,
FormatString = format
};
return(attribute.Format(datetime));
}
public void TestParseWithNumberStyle()
{
var attribute = new ValueAttribute()
{
NumberStyle = NumberStyles.Integer
};
var type = typeof(Double);
Assert.That(attribute.Parse("1", type), Is.EqualTo(Double.Parse("1")));
Assert.That(attribute.Parse("1.0", type), Throws.TypeOf(typeof(FormatException)));
}
public void TestParseExactDateTimeFailure(string format)
{
var expected = new DateTime(2000, 1, 23, 4, 56, 7, 890);
var expectedType = typeof(DateTime);
var attribute = new ValueAttribute()
{
FormatString = format
};
Assert.That(attribute.Parse("2000-01-23 04:56:07.890", expectedType), Throws.TypeOf(typeof(FormatException)));
}
public void TestParseWithDateTimeStyle()
{
var expected = DateTime.Parse("2000-01-01 00:00");
var attribute = new ValueAttribute()
{
CultureName = "ja-JP", // JST is 9 hours ahead of UTC
DateTimeStyle = DateTimeStyles.AdjustToUniversal | DateTimeStyles.AssumeLocal
};
var actual = attribute.Parse("2000-01-01 09:00", typeof(DateTime));
Assert.That(actual, Is.EqualTo(expected));
}
public void TestParseExactGuidSuccess(string format)
{
var expected = Guid.Empty;
var expectedType = typeof(Guid);
var attribute = new ValueAttribute()
{
FormatString = format
};
var actual = attribute.Parse("00000000-0000-0000-0000-000000000000", expectedType);
Assert.That(actual.GetType(), Is.EqualTo(expectedType));
Assert.That(actual, Is.EqualTo(expected));
}
public void TestParseExactDateTimeSuccess(string format)
{
var expected = new DateTime(2000, 1, 23, 4, 56, 7, 890);
var expectedType = typeof(DateTime);
var attribute = new ValueAttribute()
{
FormatString = format
};
var actual = attribute.Parse("2000-01-23 04:56:07.890", expectedType);
Assert.That(actual.GetType(), Is.EqualTo(expectedType));
Assert.That(actual, Is.EqualTo(expected));
}
public void TestParseLazy()
{
var expected = 1;
var expectedType = typeof(Lazy <Int32>);
var attribute = new ValueAttribute();
var actual = attribute.Parse("1", expectedType);
Assert.That(actual.GetType(), Is.EqualTo(expectedType));
var lazy = (Lazy <Int32>)actual;
Assert.That(lazy.IsValueCreated, Is.False);
Assert.That(lazy.Value, Is.EqualTo(expected));
Assert.That(lazy.IsValueCreated, Is.True);
}
public void TestParseExactGuidFailure(string format)
{
var attribute = new ValueAttribute()
{
FormatString = format
};
try
{
// Calls ParseExact method via reflection.
// The error is wraped by TargetInvocationException
attribute.Parse(Guid.Empty.ToString("D"), typeof(Guid));
}
catch (TargetInvocationException ex)
{
Assert.That(ex.InnerException.GetType(), Is.EqualTo(typeof(FormatException)));
}
}
public void TestParseByte()
{
byte expected = 1;
var expectedType = typeof(Byte);
var attribute = new ValueAttribute();
var actual = attribute.Parse("1", expectedType);
Assert.That(actual.GetType(), Is.EqualTo(expectedType));
Assert.That(actual, Is.EqualTo(expected));
}
public void TestParseEnum()
{
var expected = TestEnum.TestValue;
var expectedType = typeof(TestEnum);
var attribute = new ValueAttribute();
var actual = attribute.Parse("testvalue", expectedType);
Assert.That(actual.GetType(), Is.EqualTo(expectedType));
Assert.That(actual, Is.EqualTo(expected));
}
public void TestParseSingle()
{
float expected = 1.5f;
var expectedType = typeof(Single);
var attribute = new ValueAttribute();
var actual = attribute.Parse("1.5", expectedType);
Assert.That(actual.GetType(), Is.EqualTo(expectedType));
Assert.That(actual, Is.EqualTo(expected));
}
public void TestParseExactDateTimeFailure(string format)
{
var expected = new DateTime(2000, 1, 23, 4, 56, 7, 890);
var expectedType = typeof(DateTime);
var attribute = new ValueAttribute() { FormatString = format };
Assert.That(attribute.Parse("2000-01-23 04:56:07.890", expectedType), Throws.TypeOf(typeof(FormatException)));
}
public void TestParseString()
{
var expected = "Foo";
var expectedType = typeof(String);
var attribute = new ValueAttribute();
var actual = attribute.Parse("Foo", expectedType);
Assert.That(actual.GetType(), Is.EqualTo(expectedType));
Assert.That(actual, Is.EqualTo(expected));
}
public void TestParseLazy()
{
var expected = 1;
var expectedType = typeof(Lazy<Int32>);
var attribute = new ValueAttribute();
var actual = attribute.Parse("1", expectedType);
Assert.That(actual.GetType(), Is.EqualTo(expectedType));
var lazy = (Lazy<Int32>)actual;
Assert.That(lazy.IsValueCreated, Is.False);
Assert.That(lazy.Value, Is.EqualTo(expected));
Assert.That(lazy.IsValueCreated, Is.True);
}
public void TestParseWithDateTimeStyle()
{
var expected = DateTime.Parse("2000-01-01 00:00");
var attribute = new ValueAttribute()
{
CultureName = "ja-JP", // JST is 9 hours ahead of UTC
DateTimeStyle = DateTimeStyles.AdjustToUniversal | DateTimeStyles.AssumeLocal
};
var actual = attribute.Parse("2000-01-01 09:00", typeof(DateTime));
Assert.That(actual, Is.EqualTo(expected));
}
public void TestParseWithImplicitParser()
{
var expected = new TestClass(1);
var attribute = new ValueAttribute();
var actual = attribute.Parse("1", typeof(TestClass));
Assert.That(actual, Is.EqualTo(expected));
}
public void TestParseExactGuidSuccess(string format)
{
var expected = Guid.Empty;
var expectedType = typeof(Guid);
var attribute = new ValueAttribute() { FormatString = format };
var actual = attribute.Parse("00000000-0000-0000-0000-000000000000", expectedType);
Assert.That(actual.GetType(), Is.EqualTo(expectedType));
Assert.That(actual, Is.EqualTo(expected));
}
public void TestParseChar()
{
char expected = 'K';
var expectedType = typeof(Char);
var attribute = new ValueAttribute();
var actual = attribute.Parse("K", expectedType);
Assert.That(actual.GetType(), Is.EqualTo(expectedType));
Assert.That(actual, Is.EqualTo(expected));
}
public void TestParseWithNumberStyle()
{
var attribute = new ValueAttribute()
{
NumberStyle = NumberStyles.Integer
};
var type = typeof(Double);
Assert.That(attribute.Parse("1", type), Is.EqualTo(Double.Parse("1")));
Assert.That(attribute.Parse("1.0", type), Throws.TypeOf(typeof(FormatException)));
}
public void TestParseExactGuidFailure(string format)
{
var attribute = new ValueAttribute() { FormatString = format };
try
{
// Calls ParseExact method via reflection.
// The error is wraped by TargetInvocationException
attribute.Parse(Guid.Empty.ToString("D"), typeof(Guid));
}
catch (TargetInvocationException ex)
{
Assert.That(ex.InnerException.GetType (), Is.EqualTo(typeof(FormatException)));
}
}
public void TestParseExactDateTimeSuccess(string format)
{
var expected = new DateTime(2000, 1, 23, 4, 56, 7, 890);
var expectedType = typeof(DateTime);
var attribute = new ValueAttribute() { FormatString = format };
var actual = attribute.Parse("2000-01-23 04:56:07.890", expectedType);
Assert.That(actual.GetType(), Is.EqualTo(expectedType));
Assert.That(actual, Is.EqualTo(expected));
}
public LazyParser(ValueAttribute attribute)
{
this.attribute = attribute;
}
private static Parse GenerateParseLazy(Type lazyParserType, ValueAttribute attribute)
{
var parse = typeof(IParser).GetMethod("Parse", new[] { typeof(string), typeof(IFormatProvider) });
var instance = Activator.CreateInstance(lazyParserType, attribute);
return (value, provider) => parse.Invoke(instance, new object[] { value, provider });
}
