403 lines
18 KiB
C#
403 lines
18 KiB
C#
// Copyright (c) Microsoft Corporation. All rights reserved. See License.txt in the project root for license information.
|
|
|
|
using System.Web.Razor.Parser;
|
|
using System.Web.Razor.Parser.SyntaxTree;
|
|
using System.Web.Razor.Test.Framework;
|
|
using System.Web.Razor.Text;
|
|
using System.Web.WebPages.TestUtils;
|
|
using Xunit;
|
|
|
|
namespace System.Web.Razor.Test.Parser.PartialParsing
|
|
{
|
|
public class CSharpPartialParsingTest : PartialParsingTestBase<CSharpRazorCodeLanguage>
|
|
{
|
|
[Fact]
|
|
public void ImplicitExpressionProvisionallyAcceptsDeleteOfIdentifierPartsIfDotRemains()
|
|
{
|
|
var 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);
|
|
}
|
|
|
|
[Fact]
|
|
public void ImplicitExpressionAcceptsDeleteOfIdentifierPartsIfSomeOfIdentifierRemains()
|
|
{
|
|
var factory = SpanFactory.CreateCsHtml();
|
|
StringTextBuffer changed = new StringTextBuffer("foo @Us baz");
|
|
StringTextBuffer old = new StringTextBuffer("foo @User baz");
|
|
RunPartialParseTest(new TextChange(7, 2, old, 0, changed),
|
|
new MarkupBlock(
|
|
factory.Markup("foo "),
|
|
new ExpressionBlock(
|
|
factory.CodeTransition(),
|
|
factory.Code("Us").AsImplicitExpression(CSharpCodeParser.DefaultKeywords).Accepts(AcceptedCharacters.NonWhiteSpace)),
|
|
factory.Markup(" baz")));
|
|
}
|
|
|
|
[Fact]
|
|
public void ImplicitExpressionProvisionallyAcceptsMultipleInsertionIfItCausesIdentifierExpansionAndTrailingDot()
|
|
{
|
|
var factory = SpanFactory.CreateCsHtml();
|
|
StringTextBuffer changed = new StringTextBuffer("foo @User. baz");
|
|
StringTextBuffer old = new StringTextBuffer("foo @U baz");
|
|
RunPartialParseTest(new TextChange(6, 0, old, 4, 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);
|
|
}
|
|
|
|
[Fact]
|
|
public void ImplicitExpressionAcceptsMultipleInsertionIfItOnlyCausesIdentifierExpansion()
|
|
{
|
|
var factory = SpanFactory.CreateCsHtml();
|
|
StringTextBuffer changed = new StringTextBuffer("foo @barbiz baz");
|
|
StringTextBuffer old = new StringTextBuffer("foo @bar baz");
|
|
RunPartialParseTest(new TextChange(8, 0, old, 3, changed),
|
|
new MarkupBlock(
|
|
factory.Markup("foo "),
|
|
new ExpressionBlock(
|
|
factory.CodeTransition(),
|
|
factory.Code("barbiz").AsImplicitExpression(CSharpCodeParser.DefaultKeywords).Accepts(AcceptedCharacters.NonWhiteSpace)),
|
|
factory.Markup(" baz")));
|
|
}
|
|
|
|
[Fact]
|
|
public void ImplicitExpressionAcceptsIdentifierExpansionAtEndOfNonWhitespaceCharacters()
|
|
{
|
|
var factory = SpanFactory.CreateCsHtml();
|
|
StringTextBuffer changed = new StringTextBuffer(@"@{
|
|
@food
|
|
}");
|
|
StringTextBuffer old = new StringTextBuffer(@"@{
|
|
@foo
|
|
}");
|
|
RunPartialParseTest(new TextChange(12, 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("food")
|
|
.AsImplicitExpression(CSharpCodeParser.DefaultKeywords, acceptTrailingDot: true)
|
|
.Accepts(AcceptedCharacters.NonWhiteSpace)),
|
|
factory.Code("\r\n").AsStatement(),
|
|
factory.MetaCode("}").Accepts(AcceptedCharacters.None)),
|
|
factory.EmptyHtml()));
|
|
}
|
|
|
|
[Fact]
|
|
public void ImplicitExpressionAcceptsIdentifierAfterDotAtEndOfNonWhitespaceCharacters()
|
|
{
|
|
var factory = SpanFactory.CreateCsHtml();
|
|
StringTextBuffer changed = new StringTextBuffer(@"@{
|
|
@foo.d
|
|
}");
|
|
StringTextBuffer old = new StringTextBuffer(@"@{
|
|
@foo.
|
|
}");
|
|
RunPartialParseTest(new TextChange(13, 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("foo.d")
|
|
.AsImplicitExpression(CSharpCodeParser.DefaultKeywords, acceptTrailingDot: true)
|
|
.Accepts(AcceptedCharacters.NonWhiteSpace)),
|
|
factory.Code("\r\n").AsStatement(),
|
|
factory.MetaCode("}").Accepts(AcceptedCharacters.None)),
|
|
factory.EmptyHtml()));
|
|
}
|
|
|
|
[Fact]
|
|
public void ImplicitExpressionAcceptsDotAtEndOfNonWhitespaceCharacters()
|
|
{
|
|
var factory = SpanFactory.CreateCsHtml();
|
|
StringTextBuffer changed = new StringTextBuffer(@"@{
|
|
@foo.
|
|
}");
|
|
StringTextBuffer old = new StringTextBuffer(@"@{
|
|
@foo
|
|
}");
|
|
RunPartialParseTest(new TextChange(12, 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(@"foo.")
|
|
.AsImplicitExpression(CSharpCodeParser.DefaultKeywords, acceptTrailingDot: true)
|
|
.Accepts(AcceptedCharacters.NonWhiteSpace)),
|
|
factory.Code("\r\n").AsStatement(),
|
|
factory.MetaCode("}").Accepts(AcceptedCharacters.None)),
|
|
factory.EmptyHtml()));
|
|
}
|
|
|
|
[Fact]
|
|
public void ImplicitExpressionRejectsChangeWhichWouldHaveBeenAcceptedIfLastChangeWasProvisionallyAcceptedOnDifferentSpan()
|
|
{
|
|
var factory = SpanFactory.CreateCsHtml();
|
|
|
|
// Arrange
|
|
TextChange dotTyped = new TextChange(8, 0, new StringTextBuffer("foo @foo @bar"), 1, new StringTextBuffer("foo @foo. @bar"));
|
|
TextChange charTyped = new TextChange(14, 0, new StringTextBuffer("foo @foo. @bar"), 1, new StringTextBuffer("foo @foo. @barb"));
|
|
TestParserManager manager = CreateParserManager();
|
|
manager.InitializeWithDocument(dotTyped.OldBuffer);
|
|
|
|
// Apply the dot change
|
|
Assert.Equal(PartialParseResult.Provisional | PartialParseResult.Accepted, manager.CheckForStructureChangesAndWait(dotTyped));
|
|
|
|
// Act (apply the identifier start char change)
|
|
PartialParseResult result = manager.CheckForStructureChangesAndWait(charTyped);
|
|
|
|
// Assert
|
|
Assert.Equal(PartialParseResult.Rejected, result);
|
|
Assert.False(manager.Parser.LastResultProvisional, "LastResultProvisional flag should have been cleared but it was not");
|
|
ParserTestBase.EvaluateParseTree(manager.Parser.CurrentParseTree,
|
|
new MarkupBlock(
|
|
factory.Markup("foo "),
|
|
new ExpressionBlock(
|
|
factory.CodeTransition(),
|
|
factory.Code("foo")
|
|
.AsImplicitExpression(CSharpCodeParser.DefaultKeywords)
|
|
.Accepts(AcceptedCharacters.NonWhiteSpace)),
|
|
factory.Markup(". "),
|
|
new ExpressionBlock(
|
|
factory.CodeTransition(),
|
|
factory.Code("barb")
|
|
.AsImplicitExpression(CSharpCodeParser.DefaultKeywords)
|
|
.Accepts(AcceptedCharacters.NonWhiteSpace)),
|
|
factory.EmptyHtml()));
|
|
}
|
|
|
|
[Fact]
|
|
public void ImplicitExpressionAcceptsIdentifierTypedAfterDotIfLastChangeWasProvisionalAcceptanceOfDot()
|
|
{
|
|
var factory = SpanFactory.CreateCsHtml();
|
|
|
|
// Arrange
|
|
TextChange dotTyped = new TextChange(8, 0, new StringTextBuffer("foo @foo bar"), 1, new StringTextBuffer("foo @foo. bar"));
|
|
TextChange charTyped = new TextChange(9, 0, new StringTextBuffer("foo @foo. bar"), 1, new StringTextBuffer("foo @foo.b bar"));
|
|
TestParserManager manager = CreateParserManager();
|
|
manager.InitializeWithDocument(dotTyped.OldBuffer);
|
|
|
|
// Apply the dot change
|
|
Assert.Equal(PartialParseResult.Provisional | PartialParseResult.Accepted, manager.CheckForStructureChangesAndWait(dotTyped));
|
|
|
|
// Act (apply the identifier start char change)
|
|
PartialParseResult result = manager.CheckForStructureChangesAndWait(charTyped);
|
|
|
|
// Assert
|
|
Assert.Equal(PartialParseResult.Accepted, result);
|
|
Assert.False(manager.Parser.LastResultProvisional, "LastResultProvisional flag should have been cleared but it was not");
|
|
ParserTestBase.EvaluateParseTree(manager.Parser.CurrentParseTree,
|
|
new MarkupBlock(
|
|
factory.Markup("foo "),
|
|
new ExpressionBlock(
|
|
factory.CodeTransition(),
|
|
factory.Code("foo.b")
|
|
.AsImplicitExpression(CSharpCodeParser.DefaultKeywords)
|
|
.Accepts(AcceptedCharacters.NonWhiteSpace)),
|
|
factory.Markup(" bar")));
|
|
}
|
|
|
|
[Fact]
|
|
public void ImplicitExpressionProvisionallyAcceptsDotAfterIdentifierInMarkup()
|
|
{
|
|
var factory = SpanFactory.CreateCsHtml();
|
|
StringTextBuffer changed = new StringTextBuffer("foo @foo. bar");
|
|
StringTextBuffer old = new StringTextBuffer("foo @foo bar");
|
|
RunPartialParseTest(new TextChange(8, 0, old, 1, changed),
|
|
new MarkupBlock(
|
|
factory.Markup("foo "),
|
|
new ExpressionBlock(
|
|
factory.CodeTransition(),
|
|
factory.Code("foo.")
|
|
.AsImplicitExpression(CSharpCodeParser.DefaultKeywords)
|
|
.Accepts(AcceptedCharacters.NonWhiteSpace)),
|
|
factory.Markup(" bar")),
|
|
additionalFlags: PartialParseResult.Provisional);
|
|
}
|
|
|
|
[Fact]
|
|
public void ImplicitExpressionAcceptsAdditionalIdentifierCharactersIfEndOfSpanIsIdentifier()
|
|
{
|
|
var factory = SpanFactory.CreateCsHtml();
|
|
StringTextBuffer changed = new StringTextBuffer("foo @foob bar");
|
|
StringTextBuffer old = new StringTextBuffer("foo @foo bar");
|
|
RunPartialParseTest(new TextChange(8, 0, old, 1, changed),
|
|
new MarkupBlock(
|
|
factory.Markup("foo "),
|
|
new ExpressionBlock(
|
|
factory.CodeTransition(),
|
|
factory.Code("foob")
|
|
.AsImplicitExpression(CSharpCodeParser.DefaultKeywords)
|
|
.Accepts(AcceptedCharacters.NonWhiteSpace)),
|
|
factory.Markup(" bar")));
|
|
}
|
|
|
|
[Fact]
|
|
public void ImplicitExpressionAcceptsAdditionalIdentifierStartCharactersIfEndOfSpanIsDot()
|
|
{
|
|
var factory = SpanFactory.CreateCsHtml();
|
|
StringTextBuffer changed = new StringTextBuffer("@{@foo.b}");
|
|
StringTextBuffer old = new StringTextBuffer("@{@foo.}");
|
|
RunPartialParseTest(new TextChange(7, 0, old, 1, changed),
|
|
new MarkupBlock(
|
|
factory.EmptyHtml(),
|
|
new StatementBlock(
|
|
factory.CodeTransition(),
|
|
factory.MetaCode("{").Accepts(AcceptedCharacters.None),
|
|
factory.EmptyCSharp().AsStatement(),
|
|
new ExpressionBlock(
|
|
factory.CodeTransition(),
|
|
factory.Code("foo.b")
|
|
.AsImplicitExpression(CSharpCodeParser.DefaultKeywords, acceptTrailingDot: true)
|
|
.Accepts(AcceptedCharacters.NonWhiteSpace)),
|
|
factory.EmptyCSharp().AsStatement(),
|
|
factory.MetaCode("}").Accepts(AcceptedCharacters.None)),
|
|
factory.EmptyHtml()));
|
|
}
|
|
|
|
[Fact]
|
|
public void ImplicitExpressionAcceptsDotIfTrailingDotsAreAllowed()
|
|
{
|
|
var factory = SpanFactory.CreateCsHtml();
|
|
StringTextBuffer changed = new StringTextBuffer("@{@foo.}");
|
|
StringTextBuffer old = new StringTextBuffer("@{@foo}");
|
|
RunPartialParseTest(new TextChange(6, 0, old, 1, changed),
|
|
new MarkupBlock(
|
|
factory.EmptyHtml(),
|
|
new StatementBlock(
|
|
factory.CodeTransition(),
|
|
factory.MetaCode("{").Accepts(AcceptedCharacters.None),
|
|
factory.EmptyCSharp().AsStatement(),
|
|
new ExpressionBlock(
|
|
factory.CodeTransition(),
|
|
factory.Code("foo.")
|
|
.AsImplicitExpression(CSharpCodeParser.DefaultKeywords, acceptTrailingDot: true)
|
|
.Accepts(AcceptedCharacters.NonWhiteSpace)),
|
|
factory.EmptyCSharp().AsStatement(),
|
|
factory.MetaCode("}").Accepts(AcceptedCharacters.None)),
|
|
factory.EmptyHtml()));
|
|
}
|
|
|
|
[Fact]
|
|
public void ImplicitExpressionCorrectlyTriggersReparseIfIfKeywordTyped()
|
|
{
|
|
RunTypeKeywordTest("if");
|
|
}
|
|
|
|
[Fact]
|
|
public void ImplicitExpressionCorrectlyTriggersReparseIfDoKeywordTyped()
|
|
{
|
|
RunTypeKeywordTest("do");
|
|
}
|
|
|
|
[Fact]
|
|
public void ImplicitExpressionCorrectlyTriggersReparseIfTryKeywordTyped()
|
|
{
|
|
RunTypeKeywordTest("try");
|
|
}
|
|
|
|
[Fact]
|
|
public void ImplicitExpressionCorrectlyTriggersReparseIfForKeywordTyped()
|
|
{
|
|
RunTypeKeywordTest("for");
|
|
}
|
|
|
|
[Fact]
|
|
public void ImplicitExpressionCorrectlyTriggersReparseIfForEachKeywordTyped()
|
|
{
|
|
RunTypeKeywordTest("foreach");
|
|
}
|
|
|
|
[Fact]
|
|
public void ImplicitExpressionCorrectlyTriggersReparseIfWhileKeywordTyped()
|
|
{
|
|
RunTypeKeywordTest("while");
|
|
}
|
|
|
|
[Fact]
|
|
public void ImplicitExpressionCorrectlyTriggersReparseIfSwitchKeywordTyped()
|
|
{
|
|
RunTypeKeywordTest("switch");
|
|
}
|
|
|
|
[Fact]
|
|
public void ImplicitExpressionCorrectlyTriggersReparseIfLockKeywordTyped()
|
|
{
|
|
RunTypeKeywordTest("lock");
|
|
}
|
|
|
|
[Fact]
|
|
public void ImplicitExpressionCorrectlyTriggersReparseIfUsingKeywordTyped()
|
|
{
|
|
RunTypeKeywordTest("using");
|
|
}
|
|
|
|
[Fact]
|
|
public void ImplicitExpressionCorrectlyTriggersReparseIfSectionKeywordTyped()
|
|
{
|
|
RunTypeKeywordTest("section");
|
|
}
|
|
|
|
[Fact]
|
|
public void ImplicitExpressionCorrectlyTriggersReparseIfInheritsKeywordTyped()
|
|
{
|
|
RunTypeKeywordTest("inherits");
|
|
}
|
|
|
|
[Fact]
|
|
public void ImplicitExpressionCorrectlyTriggersReparseIfHelperKeywordTyped()
|
|
{
|
|
RunTypeKeywordTest("helper");
|
|
}
|
|
|
|
[Fact]
|
|
public void ImplicitExpressionCorrectlyTriggersReparseIfFunctionsKeywordTyped()
|
|
{
|
|
RunTypeKeywordTest("functions");
|
|
}
|
|
|
|
[Fact]
|
|
public void ImplicitExpressionCorrectlyTriggersReparseIfNamespaceKeywordTyped()
|
|
{
|
|
RunTypeKeywordTest("namespace");
|
|
}
|
|
|
|
[Fact]
|
|
public void ImplicitExpressionCorrectlyTriggersReparseIfClassKeywordTyped()
|
|
{
|
|
RunTypeKeywordTest("class");
|
|
}
|
|
|
|
[Fact]
|
|
public void ImplicitExpressionCorrectlyTriggersReparseIfLayoutKeywordTyped()
|
|
{
|
|
RunTypeKeywordTest("layout");
|
|
}
|
|
}
|
|
}
|