public void VersionedStringBuilder_IsInitializedToSpecifiedString()
{
var builder = new VersionedStringBuilder("Hello, world!");
TheResultingValue(builder.Version).ShouldBe(0);
TheResultingString(builder.ToString()).ShouldBe("Hello, world!");
}
public void VersionedStringSource_ProducesCorrectString_WhenToStringIsCalled_AndSourceIsStringBuilder()
{
var data = new VersionedStringBuilder("Hello, world!");
var source = new VersionedStringSource(data);
TheResultingString(source.ToString()).ShouldBe("Hello, world!");
}
public void VersionedStringSource_ExplicitlyConvertsToStringBuilder_WhenSourceIsStringBuilder()
{
var data = new VersionedStringBuilder("Hello, world!");
var source = new VersionedStringSource(data);
TheResultingObject((VersionedStringBuilder)source)
.ShouldSatisfyTheCondition(x => x.ToString() == "Hello, world!");
}
public void VersionedStringSource_CannotConvertToString_WhenSourceIsNotString()
{
var data = new VersionedStringBuilder("Hello, world!");
var source = new VersionedStringSource(data);
Assert.That(() => TheResultingString((String)source).ShouldBe("Hello, world!"),
Throws.TypeOf <InvalidCastException>());
}
public void VersionedStringBuilder_VersionIsNotIncremented_WhenAppendVersionedStringBuilderIsCalled_AndValueIsNull()
{
var builder = new VersionedStringBuilder("Hello, world!");
builder.Append((VersionedStringBuilder)null);
TheResultingValue(builder.Version).ShouldBe(0);
TheResultingString(builder.ToString()).ShouldBe("Hello, world!");
}
public void VersionedStringBuilder_VersionIsIncremented_WhenClearIsCalled()
{
var builder = new VersionedStringBuilder("Hello, world!");
builder.Clear();
TheResultingValue(builder.Version).ShouldBe(1);
TheResultingString(builder.ToString()).ShouldBe(String.Empty);
}
public void VersionedStringSource_IsValid_WhenStringBuilderSourceIsSpecified()
{
var data = new VersionedStringBuilder("Hello, world!");
var source = new VersionedStringSource(data);
TheResultingValue(source.IsValid).ShouldBe(true);
TheResultingValue(source.IsSourcedFromString).ShouldBe(false);
TheResultingValue(source.IsSourcedFromStringBuilder).ShouldBe(true);
}
public void VersionedStringBuilder_VersionIsIncremented_WhenAppendVersionedStringBuilderIsCalled()
{
var builder = new VersionedStringBuilder("Hello, world!");
var value = new VersionedStringBuilder(" Goodbye, world!");
builder.Append(value);
TheResultingValue(builder.Version).ShouldBe(1);
TheResultingString(builder.ToString()).ShouldBe("Hello, world! Goodbye, world!");
}
public void VersionedStringBuilder_VersionIsIncremented_WhenInsertCharIsCalled()
{
var builder = new VersionedStringBuilder("Hello, world!");
var value = '!';
builder.Insert(12, value);
TheResultingValue(builder.Version).ShouldBe(1);
TheResultingString(builder.ToString()).ShouldBe("Hello, world!!");
}
public void VersionedStringBuilder_VersionIsNotIncremented_WhenInsertVersionedStringSourceIsCalled_WithInvalidSource()
{
var builder = new VersionedStringBuilder("Hello, world!");
var value = new VersionedStringSource();
builder.Insert(5, value);
TheResultingValue(builder.Version).ShouldBe(0);
TheResultingString(builder.ToString()).ShouldBe("Hello, world!");
}
public void VersionedStringBuilder_VersionIsIncremented_WhenInsertVersionedStringBuilderIsCalled()
{
var builder = new VersionedStringBuilder("Hello, world!");
var value = new VersionedStringBuilder(" and goodbye");
builder.Insert(5, value);
TheResultingValue(builder.Version).ShouldBe(1);
TheResultingString(builder.ToString()).ShouldBe("Hello and goodbye, world!");
}
