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// 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.Resources;
using System.Web.Razor.Test.Framework;
using Xunit;
using Xunit.Extensions;
namespace System.Web.Razor.Test.Parser.VB
{
public class VBExpressionsInCodeTest : VBHtmlCodeParserTestBase
{
[Fact]
public void InnerImplicitExpressionWithOnlySingleAtAcceptsSingleSpaceOrNewlineAtDesignTime()
{
ParseBlockTest(@"Code
@
End Code",
new StatementBlock(
Factory.MetaCode("Code").Accepts(AcceptedCharacters.None),
Factory.Code("\r\n ").AsStatement(),
new ExpressionBlock(
Factory.CodeTransition(),
Factory.EmptyVB()
.AsImplicitExpression(VBCodeParser.DefaultKeywords, acceptTrailingDot: true)
.Accepts(AcceptedCharacters.NonWhiteSpace)),
Factory.Code("\r\n").AsStatement(),
Factory.MetaCode("End Code").Accepts(AcceptedCharacters.None)),
designTimeParser: true,
expectedErrors: new[]
{
new RazorError(RazorResources.ParseError_Unexpected_WhiteSpace_At_Start_Of_CodeBlock_VB, 11, 1, 5)
});
}
[Fact]
public void InnerImplicitExpressionDoesNotAcceptDotAfterAt()
{
ParseBlockTest(@"Code
@.
End Code",
new StatementBlock(
Factory.MetaCode("Code").Accepts(AcceptedCharacters.None),
Factory.Code("\r\n ").AsStatement(),
new ExpressionBlock(
Factory.CodeTransition(),
Factory.EmptyVB()
.AsImplicitExpression(VBCodeParser.DefaultKeywords, acceptTrailingDot: true)
.Accepts(AcceptedCharacters.NonWhiteSpace)),
Factory.Code(".\r\n").AsStatement(),
Factory.MetaCode("End Code").Accepts(AcceptedCharacters.None)),
designTimeParser: true,
expectedErrors: new[]
{
new RazorError(
String.Format(RazorResources.ParseError_Unexpected_Character_At_Start_Of_CodeBlock_VB, "."),
11, 1, 5)
});
}
[Theory]
[InlineData("Foo.Bar.", true)]
[InlineData("Foo", true)]
[InlineData("Foo.Bar.Baz", true)]
[InlineData("Foo().Bar().Baz()", true)]
[InlineData("Foo().Bar(sdfkhj sdfksdfjs \")\" sjdfkjsdf).Baz()", true)]
[InlineData("Foo().Bar(sdfkhj sdfksdfjs \")\" '))))))))\r\nsjdfkjsdf).Baz()", true)]
[InlineData("Foo", false)]
[InlineData("Foo(Of String).Bar(1, 2, 3).Biz", false)]
[InlineData("Foo(Of String).Bar(\")\").Biz", false)]
[InlineData("Foo(Of String).Bar(\"Foo\"\"Bar)\"\"Baz\").Biz", false)]
[InlineData("Foo.Bar. _\r\nREM )\r\nBaz()\r\n", false)]
[InlineData("Foo.Bar. _\r\n' )\r\nBaz()\r\n", false)]
public void ExpressionInCode(string expression, bool isImplicit)
{
ExpressionBlock expressionBlock;
if (isImplicit)
{
expressionBlock =
new ExpressionBlock(
Factory.CodeTransition(),
Factory.Code(expression)
.AsImplicitExpression(VBCodeParser.DefaultKeywords, acceptTrailingDot: true)
.Accepts(AcceptedCharacters.NonWhiteSpace));
}
else
{
expressionBlock =
new ExpressionBlock(
Factory.CodeTransition(),
Factory.MetaCode("(").Accepts(AcceptedCharacters.None),
Factory.Code(expression).AsExpression(),
Factory.MetaCode(")").Accepts(AcceptedCharacters.None));
}
string code;
if (isImplicit)
{
code = @"If foo IsNot Nothing Then
@" + expression + @"
End If";
}
else
{
code = @"If foo IsNot Nothing Then
@(" + expression + @")
End If";
}
ParseBlockTest(code,
new StatementBlock(
Factory.Code("If foo IsNot Nothing Then\r\n ")
.AsStatement(),
expressionBlock,
Factory.Code("\r\nEnd If")
.AsStatement()
.Accepts(AcceptedCharacters.None)));
}
}
}
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