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// Copyright (c) Microsoft Open Technologies, Inc. All rights reserved. See License.txt in the project root for license information.
namespace System.ComponentModel.DataAnnotations.Schema
{
using System.Data.Entity.Resources;
using Xunit;
public class ColumnAttributeTests
{
[Fact]
public void Default_values_are_null_or_negative_one()
{
Assert.Null(new ColumnAttribute().Name);
Assert.Equal(-1, new ColumnAttribute().Order);
Assert.Null(new ColumnAttribute().TypeName);
}
[Fact]
public void Name_can_be_got_and_set()
{
Assert.Equal("Granny Weatherwax", new ColumnAttribute("Granny Weatherwax").Name);
}
[Fact]
public void Name_cannot_be_set_to_null_or_whitespace()
{
Assert.Equal(
Strings.ArgumentIsNullOrWhitespace("name"),
Assert.Throws<ArgumentException>(() => new ColumnAttribute(null)).Message);
Assert.Equal(
Strings.ArgumentIsNullOrWhitespace("name"),
Assert.Throws<ArgumentException>(() => new ColumnAttribute("")).Message);
Assert.Equal(
Strings.ArgumentIsNullOrWhitespace("name"),
Assert.Throws<ArgumentException>(() => new ColumnAttribute(" ")).Message);
}
[Fact]
public void Order_can_be_got_and_set()
{
Assert.Equal(
0,
new ColumnAttribute
{
Order = 0
}.Order);
}
[Fact]
public void Order_cannot_be_set_to_negative_value()
{
Assert.Throws<ArgumentOutOfRangeException>(
() => new ColumnAttribute
{
Order = -1
});
}
[Fact]
public void TypeName_can_be_got_and_set()
{
Assert.Equal(
"Nanny Ogg",
new ColumnAttribute
{
TypeName = "Nanny Ogg"
}.TypeName);
}
[Fact]
public void TypeName_cannot_be_set_to_null_or_whitespace()
{
Assert.Equal(
Strings.ArgumentIsNullOrWhitespace("value"),
Assert.Throws<ArgumentException>(
() => new ColumnAttribute
{
TypeName = null
}).Message);
Assert.Equal(
Strings.ArgumentIsNullOrWhitespace("value"),
Assert.Throws<ArgumentException>(
() => new ColumnAttribute
{
TypeName = ""
}).Message);
Assert.Equal(
Strings.ArgumentIsNullOrWhitespace("value"),
Assert.Throws<ArgumentException>(
() => new ColumnAttribute
{
TypeName = " "
}).Message);
}
}
}
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