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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.Data.Entity.Migrations.Model
{
using System.Data.Entity.Core.Metadata.Edm;
using System.Data.Entity.Resources;
using Xunit;
public class DropColumnOperationTests
{
[Fact]
public void Can_get_and_set_table_and_column()
{
var dropColumnOperation = new DropColumnOperation("T", "c");
Assert.Equal("T", dropColumnOperation.Table);
Assert.Equal("c", dropColumnOperation.Name);
}
[Fact]
public void Inverse_should_produce_drop_column_operation()
{
var inverse = new AddColumnOperation("T", new ColumnModel(PrimitiveTypeKind.Binary));
var dropColumnOperation = new DropColumnOperation("T", "c", inverse);
Assert.Same(inverse, dropColumnOperation.Inverse);
}
[Fact]
public void Ctor_should_validate_preconditions()
{
Assert.Equal(
new ArgumentException(Strings.ArgumentIsNullOrWhitespace("table")).Message,
Assert.Throws<ArgumentException>(() => new DropColumnOperation(null, "c")).Message);
Assert.Equal(
new ArgumentException(Strings.ArgumentIsNullOrWhitespace("name")).Message,
Assert.Throws<ArgumentException>(() => new DropColumnOperation("t", null)).Message);
}
}
}
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