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
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 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 async Task ImplicitExpressionProvisionallyAcceptsDotlessCommitInsertionsAfterIdentifiers()
{
var factory = new SpanFactory();
var changed = new StringTextSnapshot("foo @DateTime. baz");
var original = new StringTextSnapshot("foo @DateTime baz");
var edit = new TestEdit(13, 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.Markup("foo "),
new ExpressionBlock(
factory.CodeTransition(),
factory.Code(expectedCode).AsImplicitExpression(CSharpCodeParser.DefaultKeywords).Accepts(AcceptedCharactersInternal.NonWhiteSpace)),
factory.Markup(" baz")));
};
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("foo @DateTime.. baz");
edit = new TestEdit(14, 0, original, 1, changed, ".");
ApplyAndVerifyPartialChange(edit, "DateTime..");
original = changed;
changed = new StringTextSnapshot("foo @DateTime.Now. baz");
edit = new TestEdit(14, 0, original, 3, changed, "Now");
ApplyAndVerifyPartialChange(edit, "DateTime.Now.");
// Verify the reparse eventually happens
await manager.WaitForReparseAsync();
Assert.Equal(2, manager.ParseCount);
ParserTestBase.EvaluateParseTree(manager.CurrentSyntaxTree.Root, new MarkupBlock(
factory.Markup("foo "),
new ExpressionBlock(
factory.CodeTransition(),
factory.Code("DateTime.Now").AsImplicitExpression(CSharpCodeParser.DefaultKeywords).Accepts(AcceptedCharactersInternal.NonWhiteSpace)),
factory.Markup(". baz")));
}
}
public async Task AwaitPeriodInsertionAcceptedProvisionally()
{
// Arrange
var original = new StringTextSnapshot("foo @await Html baz");
using (var manager = CreateParserManager(original))
{
var factory = new SpanFactory();
var changed = new StringTextSnapshot("foo @await Html. baz");
var edit = new TestEdit(15, 0, original, 1, changed, ".");
await manager.InitializeWithDocumentAsync(edit.OldSnapshot);
// Act
await manager.ApplyEditAndWaitForReparseAsync(edit);
// Assert
Assert.Equal(2, manager.ParseCount);
ParserTestBase.EvaluateParseTree(manager.CurrentSyntaxTree.Root, new MarkupBlock(
factory.Markup("foo "),
new ExpressionBlock(
factory.CodeTransition(),
factory.Code("await Html").AsImplicitExpression(CSharpCodeParser.DefaultKeywords).Accepts(AcceptedCharactersInternal.WhiteSpace | AcceptedCharactersInternal.NonWhiteSpace)),
factory.Markup(". baz")));
}
}
public async Task ImplicitExpressionAcceptsIdentifierTypedAfterDotIfLastChangeWasProvisionalAcceptanceOfDot()
{
// Arrange
var factory = new SpanFactory();
var dotTyped = new TestEdit(8, 0, new StringTextSnapshot("foo @foo bar"), 1, new StringTextSnapshot("foo @foo. bar"), ".");
var charTyped = new TestEdit(9, 0, new StringTextSnapshot("foo @foo. bar"), 1, new StringTextSnapshot("foo @foo.b bar"), "b");
using (var manager = CreateParserManager(dotTyped.OldSnapshot))
{
await manager.InitializeWithDocumentAsync(dotTyped.OldSnapshot);
// Apply the dot change
manager.ApplyEdit(dotTyped);
// Act (apply the identifier start char change)
manager.ApplyEdit(charTyped);
// Assert
Assert.Equal(1, manager.ParseCount);
ParserTestBase.EvaluateParseTree(manager.PartialParsingSyntaxTreeRoot,
new MarkupBlock(
factory.Markup("foo "),
new ExpressionBlock(
factory.CodeTransition(),
factory.Code("foo.b")
.AsImplicitExpression(CSharpCodeParser.DefaultKeywords)
.Accepts(AcceptedCharactersInternal.NonWhiteSpace)),
factory.Markup(" bar")));
}
}
public async Task ImplicitExpression_AcceptsParenthesisAtEnd_TwoEdits()
{
// Arrange
var factory = new SpanFactory();
var edit1 = new TestEdit(8, 0, new StringTextSnapshot("foo @foo bar"), 1, new StringTextSnapshot("foo @foo( bar"), "(");
var edit2 = new TestEdit(9, 0, new StringTextSnapshot("foo @foo( bar"), 1, new StringTextSnapshot("foo @foo() bar"), ")");
using (var manager = CreateParserManager(edit1.OldSnapshot))
{
await manager.InitializeWithDocumentAsync(edit1.OldSnapshot);
// Apply the ( edit
manager.ApplyEdit(edit1);
// Apply the ) edit
manager.ApplyEdit(edit2);
// Assert
Assert.Equal(1, manager.ParseCount);
ParserTestBase.EvaluateParseTree(
manager.PartialParsingSyntaxTreeRoot,
new MarkupBlock(
factory.Markup("foo "),
new ExpressionBlock(
factory.CodeTransition(),
factory.Code("foo()")
.AsImplicitExpression(CSharpCodeParser.DefaultKeywords)
.Accepts(AcceptedCharactersInternal.NonWhiteSpace)),
factory.Markup(" bar")));
}
}
public void ImplicitExpressionProvisionallyAcceptsDotlessCommitInsertions()
{
SpanFactory factory = SpanFactory.CreateCsHtml();
var changed = new StringTextBuffer("foo @DateT. baz");
var old = new StringTextBuffer("foo @DateT baz");
var textChange = new TextChange(10, 0, old, 1, changed);
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.Markup("foo "),
new ExpressionBlock(
factory.CodeTransition(),
factory.Code(expectedCode).AsImplicitExpression(CSharpCodeParser.DefaultKeywords).Accepts(AcceptedCharacters.NonWhiteSpace)),
factory.Markup(" baz")));
};
manager.InitializeWithDocument(textChange.OldBuffer);
// This is the process of a dotless commit when doing "." insertions to commit intellisense changes.
applyAndVerifyPartialChange(textChange, PartialParseResult.Accepted | PartialParseResult.Provisional, "DateT.");
old = changed;
changed = new StringTextBuffer("foo @DateTime. baz");
textChange = new TextChange(10, 0, old, 3, changed);
applyAndVerifyPartialChange(textChange, PartialParseResult.Accepted | PartialParseResult.Provisional, "DateTime.");
}
public void ImplicitExpressionAcceptsDeleteOfIdentifierPartsIfSomeOfIdentifierRemains()
{
var factory = new SpanFactory();
var changed = new StringTextSnapshot("foo @Us baz");
var old = new StringTextSnapshot("foo @User baz");
RunPartialParseTest(new TestEdit(7, 2, old, 0, changed, string.Empty),
new MarkupBlock(
factory.Markup("foo "),
new ExpressionBlock(
factory.CodeTransition(),
factory.Code("Us").AsImplicitExpression(CSharpCodeParser.DefaultKeywords).Accepts(AcceptedCharactersInternal.NonWhiteSpace)),
factory.Markup(" baz")));
}
public void ImplicitExpressionAcceptsMultipleInsertionIfItOnlyCausesIdentifierExpansion()
{
var factory = new SpanFactory();
var changed = new StringTextSnapshot("foo @barbiz baz");
var old = new StringTextSnapshot("foo @bar baz");
RunPartialParseTest(new TestEdit(8, 0, old, 3, changed, "biz"),
new MarkupBlock(
factory.Markup("foo "),
new ExpressionBlock(
factory.CodeTransition(),
factory.Code("barbiz").AsImplicitExpression(CSharpCodeParser.DefaultKeywords).Accepts(AcceptedCharactersInternal.NonWhiteSpace)),
factory.Markup(" baz")));
}
public void ImplicitExpressionProvisionallyAcceptsDeleteOfIdentifierPartsIfDotRemains()
{
SpanFactory factory = SpanFactory.CreateCsHtml();
StringTextBuffer changed = new StringTextBuffer("foo @User. baz");
StringTextBuffer old = new StringTextBuffer("foo @User.Name baz");
RunPartialParseTest(new TextChange(10, 4, old, 0, changed),
new MarkupBlock(
factory.Markup("foo "),
new ExpressionBlock(
factory.CodeTransition(),
factory.Code("User.").AsImplicitExpression(CSharpCodeParser.DefaultKeywords).Accepts(AcceptedCharacters.NonWhiteSpace)),
factory.Markup(" baz")),
additionalFlags: PartialParseResult.Provisional);
}
public void ImplicitExpressionProvisionallyAcceptsMultipleInsertionIfItCausesIdentifierExpansionAndTrailingDot()
{
var factory = new SpanFactory();
var changed = new StringTextSnapshot("foo @User. baz");
var old = new StringTextSnapshot("foo @U baz");
RunPartialParseTest(new TestEdit(6, 0, old, 4, changed, "ser."),
new MarkupBlock(
factory.Markup("foo "),
new ExpressionBlock(
factory.CodeTransition(),
factory.Code("User.").AsImplicitExpression(CSharpCodeParser.DefaultKeywords).Accepts(AcceptedCharactersInternal.NonWhiteSpace)),
factory.Markup(" baz")),
additionalFlags: PartialParseResultInternal.Provisional);
}
public void ImplicitExpressionProvisionallyAcceptsDeleteOfIdentifierPartsIfDotRemains()
{
var factory = new SpanFactory();
var changed = new StringTextSnapshot("foo @User. baz");
var old = new StringTextSnapshot("foo @User.Name baz");
RunPartialParseTest(new TestEdit(10, 4, old, 0, changed, string.Empty),
new MarkupBlock(
factory.Markup("foo "),
new ExpressionBlock(
factory.CodeTransition(),
factory.Code("User.").AsImplicitExpression(CSharpCodeParser.DefaultKeywords).Accepts(AcceptedCharactersInternal.NonWhiteSpace)),
factory.Markup(" baz")),
additionalFlags: PartialParseResultInternal.Provisional);
}
public async Task ImplicitExpressionRejectsChangeWhichWouldHaveBeenAcceptedIfLastChangeWasProvisionallyAcceptedOnDifferentSpan()
{
// Arrange
var factory = new SpanFactory();
var dotTyped = new TestEdit(8, 0, new StringTextSnapshot("foo @foo @bar"), 1, new StringTextSnapshot("foo @foo. @bar"), ".");
var charTyped = new TestEdit(14, 0, new StringTextSnapshot("foo @foo. @bar"), 1, new StringTextSnapshot("foo @foo. @barb"), "b");
using (var manager = CreateParserManager(dotTyped.OldSnapshot))
{
await manager.InitializeWithDocumentAsync(dotTyped.OldSnapshot);
// Apply the dot change
await manager.ApplyEditAndWaitForReparseAsync(dotTyped);
// Act (apply the identifier start char change)
await manager.ApplyEditAndWaitForParseAsync(charTyped);
// Assert
Assert.Equal(2, manager.ParseCount);
ParserTestBase.EvaluateParseTree(manager.PartialParsingSyntaxTreeRoot,
new MarkupBlock(
factory.Markup("foo "),
new ExpressionBlock(
factory.CodeTransition(),
factory.Code("foo")
.AsImplicitExpression(CSharpCodeParser.DefaultKeywords)
.Accepts(AcceptedCharactersInternal.NonWhiteSpace)),
factory.Markup(". "),
new ExpressionBlock(
factory.CodeTransition(),
factory.Code("barb")
.AsImplicitExpression(CSharpCodeParser.DefaultKeywords)
.Accepts(AcceptedCharactersInternal.NonWhiteSpace)),
factory.EmptyHtml()));
}
}
public void ImplicitExpressionAcceptsWholeIdentifierReplacement()
{
// Arrange
SpanFactory factory = SpanFactory.CreateCsHtml();
StringTextBuffer old = new StringTextBuffer("foo @date baz");
StringTextBuffer changed = new StringTextBuffer("foo @DateTime baz");
// Act and Assert
RunPartialParseTest(new TextChange(5, 4, old, 8, changed),
new MarkupBlock(
factory.Markup("foo "),
new ExpressionBlock(
factory.CodeTransition(),
factory.Code("DateTime").AsImplicitExpression(CSharpCodeParser.DefaultKeywords).Accepts(AcceptedCharacters.NonWhiteSpace)),
factory.Markup(" baz")));
}
public void ImplicitExpressionAcceptsPrefixIdentifierReplacements_SingleSymbol()
{
// Arrange
var factory = new SpanFactory();
var old = new StringTextSnapshot("foo @dTime baz");
var changed = new StringTextSnapshot("foo @DateTime baz");
// Act and Assert
RunPartialParseTest(new TestEdit(5, 1, old, 4, changed, "Date"),
new MarkupBlock(
factory.Markup("foo "),
new ExpressionBlock(
factory.CodeTransition(),
factory.Code("DateTime").AsImplicitExpression(CSharpCodeParser.DefaultKeywords).Accepts(AcceptedCharactersInternal.NonWhiteSpace)),
factory.Markup(" baz")));
}
public void ImplicitExpressionAcceptsAdditionalIdentifierCharactersIfEndOfSpanIsIdentifier()
{
var factory = new SpanFactory();
var changed = new StringTextSnapshot("foo @foob bar");
var old = new StringTextSnapshot("foo @foo bar");
RunPartialParseTest(new TestEdit(8, 0, old, 1, changed, "b"),
new MarkupBlock(
factory.Markup("foo "),
new ExpressionBlock(
factory.CodeTransition(),
factory.Code("foob")
.AsImplicitExpression(CSharpCodeParser.DefaultKeywords)
.Accepts(AcceptedCharactersInternal.NonWhiteSpace)),
factory.Markup(" bar")));
}
public void ImplicitExpressionAcceptsInnerInsertions()
{
// Arrange
var factory = new SpanFactory();
var changed = new StringTextSnapshot("foo @DateTime..Now baz");
var old = new StringTextSnapshot("foo @DateTime.Now baz");
// Act and Assert
RunPartialParseTest(new TestEdit(13, 0, old, 1, changed, "."),
new MarkupBlock(
factory.Markup("foo "),
new ExpressionBlock(
factory.CodeTransition(),
factory.Code("DateTime..Now").AsImplicitExpression(CSharpCodeParser.DefaultKeywords).Accepts(AcceptedCharactersInternal.NonWhiteSpace)),
factory.Markup(" baz")), additionalFlags: PartialParseResultInternal.Provisional);
}
public void ImplicitExpressionAcceptsSurroundedIdentifierReplacements()
{
// Arrange
var factory = new SpanFactory();
var old = new StringTextSnapshot("foo @DateTime.n.ToString() baz");
var changed = new StringTextSnapshot("foo @DateTime.Now.ToString() baz");
// Act and Assert
RunPartialParseTest(new TestEdit(14, 1, old, 3, changed, "Now"),
new MarkupBlock(
factory.Markup("foo "),
new ExpressionBlock(
factory.CodeTransition(),
factory.Code("DateTime.Now.ToString()").AsImplicitExpression(CSharpCodeParser.DefaultKeywords).Accepts(AcceptedCharactersInternal.NonWhiteSpace)),
factory.Markup(" baz")));
}
public void ImplicitExpressionAcceptsInnerInsertions()
{
// Arrange
SpanFactory factory = SpanFactory.CreateCsHtml();
StringTextBuffer changed = new StringTextBuffer("foo @DateTime..Now baz");
StringTextBuffer old = new StringTextBuffer("foo @DateTime.Now baz");
// Act and Assert
RunPartialParseTest(new TextChange(13, 0, old, 1, changed),
new MarkupBlock(
factory.Markup("foo "),
new ExpressionBlock(
factory.CodeTransition(),
factory.Code("DateTime..Now").AsImplicitExpression(CSharpCodeParser.DefaultKeywords).Accepts(AcceptedCharacters.NonWhiteSpace)),
factory.Markup(" baz")), additionalFlags: PartialParseResult.Provisional);
}
public void ImplicitExpressionProvisionallyAcceptsDotAfterIdentifierInMarkup()
{
var factory = new SpanFactory();
var changed = new StringTextSnapshot("foo @foo. bar");
var old = new StringTextSnapshot("foo @foo bar");
RunPartialParseTest(new TestEdit(8, 0, old, 1, changed, "."),
new MarkupBlock(
factory.Markup("foo "),
new ExpressionBlock(
factory.CodeTransition(),
factory.Code("foo.")
.AsImplicitExpression(CSharpCodeParser.DefaultKeywords)
.Accepts(AcceptedCharactersInternal.NonWhiteSpace)),
factory.Markup(" bar")),
additionalFlags: PartialParseResultInternal.Provisional);
}
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()));
}
// [Fact] Silent skip to avoid warnings. Skipping until we can control the parser more directly.
private void ImplicitExpressionProvisionallyAcceptsCaseInsensitiveDotlessCommitInsertions_NewRoslynIntegration()
{
var factory = new SpanFactory();
var original = new StringTextSnapshot("foo @date baz");
var changed = new StringTextSnapshot("foo @date. baz");
var edit = new TestEdit(9, 0, original, 1, changed, ".");
using (var manager = CreateParserManager(original))
{
void ApplyAndVerifyPartialChange(Action applyEdit, string expectedCode)
{
applyEdit();
Assert.Equal(1, manager.ParseCount);
ParserTestBase.EvaluateParseTree(manager.CurrentSyntaxTree.Root, new MarkupBlock(
factory.Markup("foo "),
new ExpressionBlock(
factory.CodeTransition(),
factory.Code(expectedCode).AsImplicitExpression(CSharpCodeParser.DefaultKeywords).Accepts(AcceptedCharactersInternal.NonWhiteSpace)),
factory.Markup(" baz")));
};
manager.InitializeWithDocument(edit.OldSnapshot);
// This is the process of a dotless commit when doing "." insertions to commit intellisense changes.
// @date => @date.
ApplyAndVerifyPartialChange(() => manager.ApplyEdit(edit), "date.");
original = changed;
changed = new StringTextSnapshot("foo @date baz");
edit = new TestEdit(9, 1, original, 0, changed, "");
// @date. => @date
ApplyAndVerifyPartialChange(() => manager.ApplyEdit(edit), "date");
original = changed;
changed = new StringTextSnapshot("foo @DateTime baz");
edit = new TestEdit(5, 4, original, 8, changed, "DateTime");
// @date => @DateTime
ApplyAndVerifyPartialChange(() => manager.ApplyEdit(edit), "DateTime");
original = changed;
changed = new StringTextSnapshot("foo @DateTime. baz");
edit = new TestEdit(13, 0, original, 1, changed, ".");
// @DateTime => @DateTime.
ApplyAndVerifyPartialChange(() => manager.ApplyEdit(edit), "DateTime.");
// Verify the reparse eventually happens
manager.WaitForReparse();
Assert.Equal(2, manager.ParseCount);
ParserTestBase.EvaluateParseTree(manager.CurrentSyntaxTree.Root, new MarkupBlock(
factory.Markup("foo "),
new ExpressionBlock(
factory.CodeTransition(),
factory.Code("DateTime").AsImplicitExpression(CSharpCodeParser.DefaultKeywords).Accepts(AcceptedCharactersInternal.NonWhiteSpace)),
factory.Markup(". baz")));
}
}