public void DoesNotWrapIfNoBreakpoints()
{
// Given
WrappingStringBuilder builder = new WrappingStringBuilder(7);
// When
builder.Append("abc", false);
builder.Append("def", false);
builder.Append("ghi", false);
string result = builder.ToString();
// Then
Assert.AreEqual(@"abcdefghi", result);
}
public void BreakpointCalculationIncludesNewLinePrefix()
{
// Given
WrappingStringBuilder builder = new WrappingStringBuilder(8, "1234");
// When
builder.Append("abc", false);
builder.Append("defxyz", true);
builder.Append("ghi", true);
string result = builder.ToString();
// Then
Assert.AreEqual(@"abc" + Environment.NewLine + "1234defxyz" + Environment.NewLine + "1234ghi", result);
}
public void MultipleWraps()
{
// Given
WrappingStringBuilder builder = new WrappingStringBuilder(2, "1234");
// When
builder.Append("abc", true);
builder.Append("def", true);
builder.Append("ghi", true);
string result = builder.ToString();
// Then
Assert.AreEqual(@"abc" + Environment.NewLine + "1234def" + Environment.NewLine + "1234ghi", result);
}
public void BreakpointCalculationIncludesNewLinePrefix()
{
// Given
WrappingStringBuilder builder = new WrappingStringBuilder(8, "1234");
// When
builder.Append("abc", false);
builder.Append("defxyz", true);
builder.Append("ghi", true);
string result = builder.ToString();
// Then
Assert.AreEqual(@"abc" + Environment.NewLine + "1234defxyz" + Environment.NewLine + "1234ghi", result);
}
public void DoesNotWrapIfNoBreakpoints()
{
// Given
WrappingStringBuilder builder = new WrappingStringBuilder(7);
// When
builder.Append("abc", false);
builder.Append("def", false);
builder.Append("ghi", false);
string result = builder.ToString();
// Then
Assert.AreEqual(@"abcdefghi", result);
}
public void AppendLineBreaksAtEndOfValue()
{
// Given
WrappingStringBuilder builder = new WrappingStringBuilder(8, "1234");
// When
builder.Append("abc", false);
builder.AppendLine("def", false);
builder.Append("ghi", false);
string result = builder.ToString();
// Then
Assert.AreEqual(@"abcdef" + Environment.NewLine + "1234ghi", result);
}
public void WrapsEarlierIfEarlierBreakpoint()
{
// Given
WrappingStringBuilder builder = new WrappingStringBuilder(7);
// When
builder.Append("abc", false);
builder.Append("def", true);
builder.Append("ghi", false);
string result = builder.ToString();
// Then
Assert.AreEqual(@"abc" + Environment.NewLine + "defghi", result);
}
public void NewLinesIncludeNewLinePrefix()
{
// Given
WrappingStringBuilder builder = new WrappingStringBuilder(7, "1234");
// When
builder.Append("abc", false);
builder.Append("def", true);
builder.Append("ghi", false);
string result = builder.ToString();
// Then
Assert.AreEqual(@"abc" + Environment.NewLine + "1234defghi", result);
}
public void NewLinesIncludeNewLinePrefix()
{
// Given
WrappingStringBuilder builder = new WrappingStringBuilder(7, "1234");
// When
builder.Append("abc", false);
builder.Append("def", true);
builder.Append("ghi", false);
string result = builder.ToString();
// Then
Assert.AreEqual(@"abc" + Environment.NewLine + "1234defghi", result);
}
public void DefaultBehaviorIsNotToWrap()
{
// Given
WrappingStringBuilder builder = new WrappingStringBuilder(7);
// When
builder.Append("abc");
builder.Append("def");
builder.Append("ghi");
string result = builder.ToString();
// Then
Assert.AreEqual(@"abcdefghi", result);
}
public void NoLeadingBreakWhenFirstSegmentIsBreakable()
{
// Given
WrappingStringBuilder builder = new WrappingStringBuilder(5);
// When
builder.Append("abc", true);
builder.Append("def", false);
builder.Append("g", true);
string result = builder.ToString();
// Then
Assert.AreEqual(@"abcdef" + Environment.NewLine + "g", result);
}
public void AppendLineBreaksAtEndOfValue()
{
// Given
WrappingStringBuilder builder = new WrappingStringBuilder(8, "1234");
// When
builder.Append("abc", false);
builder.AppendLine("def", false);
builder.Append("ghi", false);
string result = builder.ToString();
// Then
Assert.AreEqual(@"abcdef" + Environment.NewLine + "1234ghi", result);
}
public void WrapsEarlierIfEarlierBreakpoint()
{
// Given
WrappingStringBuilder builder = new WrappingStringBuilder(7);
// When
builder.Append("abc", false);
builder.Append("def", true);
builder.Append("ghi", false);
string result = builder.ToString();
// Then
Assert.AreEqual(@"abc" + Environment.NewLine + "defghi", result);
}
public void DefaultBehaviorIsNotToWrap()
{
// Given
WrappingStringBuilder builder = new WrappingStringBuilder(7);
// When
builder.Append("abc");
builder.Append("def");
builder.Append("ghi");
string result = builder.ToString();
// Then
Assert.AreEqual(@"abcdefghi", result);
}
public void AppendLineWrapsBeforeValue()
{
// Given
WrappingStringBuilder builder = new WrappingStringBuilder(5, "1234");
// When
builder.Append("abc", false);
builder.Append("def", false);
builder.AppendLine("ghi", true);
builder.Append("xyz", false);
string result = builder.ToString();
// Then
Assert.AreEqual(@"abcdef" + Environment.NewLine + "1234ghi" + Environment.NewLine + "1234xyz", result);
}
public void AppendLineWrapsBeforeValue()
{
// Given
WrappingStringBuilder builder = new WrappingStringBuilder(5, "1234");
// When
builder.Append("abc", false);
builder.Append("def", false);
builder.AppendLine("ghi", true);
builder.Append("xyz", false);
string result = builder.ToString();
// Then
Assert.AreEqual(@"abcdef" + Environment.NewLine + "1234ghi" + Environment.NewLine + "1234xyz", result);
}
public void DifferentNewLinePrefixesAfterAppendLine()
{
// Given
WrappingStringBuilder builder = new WrappingStringBuilder(5);
// When
builder.AppendLine("abc", true);
builder.Append("def", true);
builder.NewLinePrefix = "1234";
builder.Append("g", true);
builder.Append("hij", true);
string result = builder.ToString();
// Then
Assert.AreEqual(@"abc" + Environment.NewLine + "defg" + Environment.NewLine + "1234hij", result);
}
public void MultipleWrapsWithDifferentNewLinePrefixes()
{
// Given
WrappingStringBuilder builder = new WrappingStringBuilder(5);
// When
builder.Append("abc", true);
builder.Append("def", true);
builder.NewLinePrefix = "1234";
builder.Append("ghi", true);
builder.NewLinePrefix = "5";
builder.Append("jkl", true);
builder.Append("m", true);
builder.Append("n", true);
string result = builder.ToString();
// Then
Assert.AreEqual(@"abc" + Environment.NewLine + "def" + Environment.NewLine + "1234ghi" + Environment.NewLine + "5jklm" + Environment.NewLine + "5n", result);
}
public void MultipleWrapsWithDifferentNewLinePrefixes()
{
// Given
WrappingStringBuilder builder = new WrappingStringBuilder(5);
// When
builder.Append("abc", true);
builder.Append("def", true);
builder.NewLinePrefix = "1234";
builder.Append("ghi", true);
builder.NewLinePrefix = "5";
builder.Append("jkl", true);
builder.Append("m", true);
builder.Append("n", true);
string result = builder.ToString();
// Then
Assert.AreEqual(@"abc" + Environment.NewLine + "def" + Environment.NewLine + "1234ghi" + Environment.NewLine + "5jklm" + Environment.NewLine + "5n", result);
}
public void NoLeadingBreakWhenFirstSegmentIsBreakable()
{
// Given
WrappingStringBuilder builder = new WrappingStringBuilder(5);
// When
builder.Append("abc", true);
builder.Append("def", false);
builder.Append("g", true);
string result = builder.ToString();
// Then
Assert.AreEqual(@"abcdef" + Environment.NewLine + "g", result);
}
public void EmptyAppendLine()
{
// Given
WrappingStringBuilder builder = new WrappingStringBuilder(8, "1234");
// When
builder.Append("abc", true);
builder.AppendLine();
builder.Append("def", true);
builder.AppendLine();
builder.AppendLine();
builder.Append("ghi", true);
string result = builder.ToString();
// Then
Assert.AreEqual(@"abc" + Environment.NewLine + "1234def" + Environment.NewLine + "1234" + Environment.NewLine + "1234ghi", result);
}
public void DifferentNewLinePrefixesAfterAppendLine()
{
// Given
WrappingStringBuilder builder = new WrappingStringBuilder(5);
// When
builder.AppendLine("abc", true);
builder.Append("def", true);
builder.NewLinePrefix = "1234";
builder.Append("g", true);
builder.Append("hij", true);
string result = builder.ToString();
// Then
Assert.AreEqual(@"abc" + Environment.NewLine + "defg" + Environment.NewLine + "1234hij", result);
}
