79 lines
2.7 KiB
C#
79 lines
2.7 KiB
C#
// Copyright (c) .NET Foundation. All rights reserved.
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// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
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using Xunit;
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namespace Microsoft.AspNetCore.Razor.Language.Legacy
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{
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public class SpanTest
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{
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[Fact]
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public void ReplaceWith_ResetsLength()
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{
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// Arrange
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var builder = new SpanBuilder(SourceLocation.Zero);
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builder.Accept(new HtmlToken("hello", HtmlTokenType.Text));
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var span = builder.Build();
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var newBuilder = new SpanBuilder(SourceLocation.Zero);
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newBuilder.Accept(new HtmlToken("hi", HtmlTokenType.Text));
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var originalLength = span.Length;
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// Act
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span.ReplaceWith(newBuilder);
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// Assert
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Assert.Equal(5, originalLength);
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Assert.Equal(2, span.Length);
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}
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// Note: This is more of an integration-like test. However, it's valuable to determine
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// that the Span's ReplaceWith code is properly propogating change notifications to parents.
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[Fact]
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public void ReplaceWith_NotifiesParentChildHasChanged()
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{
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// Arrange
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var spanBuilder = new SpanBuilder(SourceLocation.Zero);
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spanBuilder.Accept(new HtmlToken("hello", HtmlTokenType.Text));
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var span = spanBuilder.Build();
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var blockBuilder = new BlockBuilder()
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{
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Type = BlockKindInternal.Markup,
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};
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blockBuilder.Children.Add(span);
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var block = blockBuilder.Build();
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span.Parent = block;
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var originalBlockLength = block.Length;
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var newSpanBuilder = new SpanBuilder(SourceLocation.Zero);
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newSpanBuilder.Accept(new HtmlToken("hi", HtmlTokenType.Text));
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// Act
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span.ReplaceWith(newSpanBuilder);
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// Assert
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Assert.Equal(5, originalBlockLength);
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Assert.Equal(2, block.Length);
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}
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[Fact]
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public void Clone_ClonesSpan()
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{
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// Arrange
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var spanBuilder = new SpanBuilder(new SourceLocation(1, 2, 3))
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{
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EditHandler = new SpanEditHandler(CSharpLanguageCharacteristics.Instance.TokenizeString),
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Kind = SpanKindInternal.Transition,
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ChunkGenerator = new ExpressionChunkGenerator(),
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};
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spanBuilder.Accept(new CSharpToken("@", CSharpTokenType.Transition));
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var span = spanBuilder.Build();
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// Act
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var copy = (Span)span.Clone();
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// Assert
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Assert.Equal(span, copy);
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Assert.NotSame(span, copy);
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}
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}
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}
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