public void ImplicitExpressionAcceptsInnerInsertionsInStatementBlock()
{
// Arrange
SpanFactory factory = SpanFactory.CreateCsHtml();
StringTextBuffer changed = new StringTextBuffer("@{" + Environment.NewLine
+ " @DateTime..Now" + Environment.NewLine
+ "}");
StringTextBuffer old = new StringTextBuffer("@{" + Environment.NewLine
+ " @DateTime.Now" + Environment.NewLine
+ "}");
// Act and Assert
RunPartialParseTest(new TextChange(17, 0, old, 1, changed),
new MarkupBlock(
factory.EmptyHtml(),
new StatementBlock(
factory.CodeTransition(),
factory.MetaCode("{").Accepts(AcceptedCharacters.None),
factory.Code("\r\n ").AsStatement(),
new ExpressionBlock(
factory.CodeTransition(),
factory.Code("DateTime..Now")
.AsImplicitExpression(CSharpCodeParser.DefaultKeywords, acceptTrailingDot: true)
.Accepts(AcceptedCharacters.NonWhiteSpace)),
factory.Code("\r\n").AsStatement(),
factory.MetaCode("}").Accepts(AcceptedCharacters.None)),
factory.EmptyHtml()));
}
public void ImplicitExpressionAcceptsDotAtEndOfNonWhitespaceCharacters()
{
var factory = new SpanFactory();
var changed = new StringTextSnapshot("@{" + Environment.NewLine
+ " @foo." + Environment.NewLine
+ "}");
var old = new StringTextSnapshot("@{" + Environment.NewLine
+ " @foo" + Environment.NewLine
+ "}");
RunPartialParseTest(new TestEdit(10 + Environment.NewLine.Length, 0, old, 1, changed, "."),
new MarkupBlock(
factory.EmptyHtml(),
new StatementBlock(
factory.CodeTransition(),
factory.MetaCode("{").Accepts(AcceptedCharactersInternal.None),
factory.Code(Environment.NewLine + " ")
.AsStatement()
.AutoCompleteWith(autoCompleteString: null),
new ExpressionBlock(
factory.CodeTransition(),
factory.Code(@"foo.")
.AsImplicitExpression(CSharpCodeParser.DefaultKeywords, acceptTrailingDot: true)
.Accepts(AcceptedCharactersInternal.NonWhiteSpace)),
factory.Code(Environment.NewLine).AsStatement(),
factory.MetaCode("}").Accepts(AcceptedCharactersInternal.None)),
factory.EmptyHtml()));
}
public void ImplicitExpressionAcceptsInnerInsertionsInStatementBlock()
{
// Arrange
var factory = new SpanFactory();
var changed = new StringTextSnapshot("@{" + Environment.NewLine
+ " @DateTime..Now" + Environment.NewLine
+ "}");
var old = new StringTextSnapshot("@{" + Environment.NewLine
+ " @DateTime.Now" + Environment.NewLine
+ "}");
// Act and Assert
RunPartialParseTest(new TestEdit(17, 0, old, 1, changed, "."),
new MarkupBlock(
factory.EmptyHtml(),
new StatementBlock(
factory.CodeTransition(),
factory.MetaCode("{").Accepts(AcceptedCharactersInternal.None),
factory.Code(Environment.NewLine + " ")
.AsStatement()
.AutoCompleteWith(autoCompleteString: null),
new ExpressionBlock(
factory.CodeTransition(),
factory.Code("DateTime..Now")
.AsImplicitExpression(CSharpCodeParser.DefaultKeywords, acceptTrailingDot: true)
.Accepts(AcceptedCharactersInternal.NonWhiteSpace)),
factory.Code(Environment.NewLine).AsStatement(),
factory.MetaCode("}").Accepts(AcceptedCharactersInternal.None)),
factory.EmptyHtml()));
}
public void ImplicitExpressionAcceptsDotlessCommitInsertionsInStatementBlockAfterIdentifiers()
{
SpanFactory factory = SpanFactory.CreateCsHtml();
StringTextBuffer changed = new StringTextBuffer("@{" + Environment.NewLine
+ " @DateTime." + Environment.NewLine
+ "}");
StringTextBuffer old = new StringTextBuffer("@{" + Environment.NewLine
+ " @DateTime" + Environment.NewLine
+ "}");
var textChange = new TextChange(17, 0, old, 1, changed);
using (TestParserManager manager = CreateParserManager())
{
Action <TextChange, PartialParseResult, string> applyAndVerifyPartialChange = (changeToApply, expectedResult, expectedCode) =>
{
PartialParseResult result = manager.CheckForStructureChangesAndWait(textChange);
// Assert
Assert.Equal(expectedResult, result);
Assert.Equal(1, manager.ParseCount);
ParserTestBase.EvaluateParseTree(manager.Parser.CurrentParseTree, new MarkupBlock(
factory.EmptyHtml(),
new StatementBlock(
factory.CodeTransition(),
factory.MetaCode("{").Accepts(AcceptedCharacters.None),
factory.Code("\r\n ").AsStatement(),
new ExpressionBlock(
factory.CodeTransition(),
factory.Code(expectedCode)
.AsImplicitExpression(CSharpCodeParser.DefaultKeywords, acceptTrailingDot: true)
.Accepts(AcceptedCharacters.NonWhiteSpace)),
factory.Code("\r\n").AsStatement(),
factory.MetaCode("}").Accepts(AcceptedCharacters.None)),
factory.EmptyHtml()));
};
manager.InitializeWithDocument(textChange.OldBuffer);
// This is the process of a dotless commit when doing "." insertions to commit intellisense changes.
applyAndVerifyPartialChange(textChange, PartialParseResult.Accepted, "DateTime.");
old = changed;
changed = new StringTextBuffer("@{" + Environment.NewLine
+ " @DateTime.." + Environment.NewLine
+ "}");
textChange = new TextChange(18, 0, old, 1, changed);
applyAndVerifyPartialChange(textChange, PartialParseResult.Accepted, "DateTime..");
old = changed;
changed = new StringTextBuffer("@{" + Environment.NewLine
+ " @DateTime.Now." + Environment.NewLine
+ "}");
textChange = new TextChange(18, 0, old, 3, changed);
applyAndVerifyPartialChange(textChange, PartialParseResult.Accepted, "DateTime.Now.");
}
}
public async Task ImplicitExpressionAcceptsDotlessCommitInsertionsInStatementBlockAfterIdentifiers()
{
var factory = new SpanFactory();
var changed = new StringTextSnapshot("@{" + Environment.NewLine
+ " @DateTime." + Environment.NewLine
+ "}");
var original = new StringTextSnapshot("@{" + Environment.NewLine
+ " @DateTime" + Environment.NewLine
+ "}");
var edit = new TestEdit(15 + Environment.NewLine.Length, 0, original, 1, changed, ".");
using (var manager = CreateParserManager(original))
{
void ApplyAndVerifyPartialChange(TestEdit testEdit, string expectedCode)
{
manager.ApplyEdit(testEdit);
Assert.Equal(1, manager.ParseCount);
ParserTestBase.EvaluateParseTree(manager.PartialParsingSyntaxTreeRoot, new MarkupBlock(
factory.EmptyHtml(),
new StatementBlock(
factory.CodeTransition(),
factory.MetaCode("{").Accepts(AcceptedCharactersInternal.None),
factory.Code(Environment.NewLine + " ")
.AsStatement()
.AutoCompleteWith(autoCompleteString: null),
new ExpressionBlock(
factory.CodeTransition(),
factory.Code(expectedCode)
.AsImplicitExpression(CSharpCodeParser.DefaultKeywords, acceptTrailingDot: true)
.Accepts(AcceptedCharactersInternal.NonWhiteSpace)),
factory.Code(Environment.NewLine).AsStatement(),
factory.MetaCode("}").Accepts(AcceptedCharactersInternal.None)),
factory.EmptyHtml()));
};
await manager.InitializeWithDocumentAsync(edit.OldSnapshot);
// This is the process of a dotless commit when doing "." insertions to commit intellisense changes.
ApplyAndVerifyPartialChange(edit, "DateTime.");
original = changed;
changed = new StringTextSnapshot("@{" + Environment.NewLine
+ " @DateTime.." + Environment.NewLine
+ "}");
edit = new TestEdit(16 + Environment.NewLine.Length, 0, original, 1, changed, ".");
ApplyAndVerifyPartialChange(edit, "DateTime..");
original = changed;
changed = new StringTextSnapshot("@{" + Environment.NewLine
+ " @DateTime.Now." + Environment.NewLine
+ "}");
edit = new TestEdit(16 + Environment.NewLine.Length, 0, original, 3, changed, "Now");
ApplyAndVerifyPartialChange(edit, "DateTime.Now.");
}
}
public void ImplicitExpressionAcceptsDotIfTrailingDotsAreAllowed()
{
var factory = new SpanFactory();
var changed = new StringTextSnapshot("@{@foo.}");
var old = new StringTextSnapshot("@{@foo}");
RunPartialParseTest(new TestEdit(6, 0, old, 1, changed, "."),
new MarkupBlock(
factory.EmptyHtml(),
new StatementBlock(
factory.CodeTransition(),
factory.MetaCode("{").Accepts(AcceptedCharactersInternal.None),
factory.EmptyCSharp()
.AsStatement()
.AutoCompleteWith(autoCompleteString: null),
new ExpressionBlock(
factory.CodeTransition(),
factory.Code("foo.")
.AsImplicitExpression(CSharpCodeParser.DefaultKeywords, acceptTrailingDot: true)
.Accepts(AcceptedCharactersInternal.NonWhiteSpace)),
factory.EmptyCSharp().AsStatement(),
factory.MetaCode("}").Accepts(AcceptedCharactersInternal.None)),
factory.EmptyHtml()));
}