mirror of https://github.com/icsharpcode/ILSpy.git
Christoph Wille
2 days ago
committed by
GitHub
13 changed files with 508 additions and 70 deletions
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// Copyright (c) 2026 Christoph Wille
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy of this
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// software and associated documentation files (the "Software"), to deal in the Software
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// without restriction, including without limitation the rights to use, copy, modify, merge,
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// publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons
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// to whom the Software is furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in all copies or
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// substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
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// INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
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// PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE
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// FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
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// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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// DEALINGS IN THE SOFTWARE.
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using ICSharpCode.Decompiler.CSharp.OutputVisitor; |
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using NUnit.Framework; |
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namespace ICSharpCode.Decompiler.Tests.Output |
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{ |
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[TestFixture] |
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public class EscapeIdentifierTests |
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{ |
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[Test] |
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public void PlainIdentifierIsReturnedAsTheSameInstance() |
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{ |
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// The overwhelmingly common case must not allocate at all.
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string identifier = "MyIdentifier_42"; |
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Assert.That(TextWriterTokenWriter.EscapeIdentifier(identifier), Is.SameAs(identifier)); |
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} |
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[Test] |
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public void EmptyAndNullAreReturnedUnchanged() |
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{ |
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Assert.That(TextWriterTokenWriter.EscapeIdentifier(""), Is.EqualTo("")); |
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Assert.That(TextWriterTokenWriter.EscapeIdentifier(null), Is.Null); |
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} |
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[Test] |
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public void ControlCharIsEscaped() |
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{ |
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Assert.That(TextWriterTokenWriter.EscapeIdentifier("a\u0001b"), Is.EqualTo(@"a\u0001b")); |
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} |
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[Test] |
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public void BackslashIsEscaped() |
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{ |
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Assert.That(TextWriterTokenWriter.EscapeIdentifier("a\\b"), Is.EqualTo(@"a\u005cb")); |
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} |
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[Test] |
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public void PrintableSurrogatePairPassesThroughUnchanged() |
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{ |
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// U+1D49C (MATHEMATICAL SCRIPT CAPITAL A) is a letter, i.e. printable.
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Assert.That(TextWriterTokenWriter.EscapeIdentifier("a\U0001D49Cb"), Is.EqualTo("a\U0001D49Cb")); |
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} |
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[Test] |
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public void NonPrintableSurrogatePairIsEscapedAsUtf32() |
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{ |
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// U+1D173 (MUSICAL SYMBOL BEGIN BEAM) is a format char, i.e. non-printable.
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Assert.That(TextWriterTokenWriter.EscapeIdentifier("a\U0001D173b"), Is.EqualTo(@"a\U0001d173b")); |
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} |
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} |
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} |
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// Copyright (c) 2026 Christoph Wille
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy of this
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// software and associated documentation files (the "Software"), to deal in the Software
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// without restriction, including without limitation the rights to use, copy, modify, merge,
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// publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons
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// to whom the Software is furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in all copies or
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// substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
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// INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
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// PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE
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// FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
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// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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// DEALINGS IN THE SOFTWARE.
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using System.Collections.Concurrent; |
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using System.Threading; |
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using ICSharpCode.Decompiler.Metadata; |
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using ICSharpCode.ILSpyX.Search; |
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using NUnit.Framework; |
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namespace ICSharpCode.ILSpy.Tests.Search; |
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/// <summary>
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/// Pins the term-matching semantics of <see cref="AbstractSearchStrategy.IsMatch"/>:
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/// plain containment, the +/-/=/~ operators, multi-term conjunction, and the
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/// handling of degenerate terms.
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/// </summary>
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[TestFixture] |
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public class IsMatchTests |
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{ |
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sealed class ExposingSearchStrategy : AbstractSearchStrategy |
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{ |
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public ExposingSearchStrategy(params string[] keywords) |
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: base(new SearchRequest { Keywords = keywords }, new ConcurrentQueue<SearchResult>()) |
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{ |
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} |
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public bool Match(string name) => IsMatch(name); |
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public override void Search(MetadataFile module, CancellationToken cancellationToken) |
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{ |
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} |
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} |
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static bool IsMatch(string name, params string[] keywords) |
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=> new ExposingSearchStrategy(keywords).Match(name); |
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[Test] |
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public void Plain_Term_Matches_Substring_Ignoring_Case() |
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{ |
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Assert.That(IsMatch("StringBuilder", "builder"), Is.True); |
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Assert.That(IsMatch("StringBuilder", "STRING"), Is.True); |
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Assert.That(IsMatch("StringBuilder", "Comparer"), Is.False); |
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} |
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[Test] |
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public void Plus_Operator_Requires_The_Term_To_Be_Contained() |
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{ |
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Assert.That(IsMatch("Enumerable", "+Enum"), Is.True); |
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Assert.That(IsMatch("Enumerable", "+enumera"), Is.True); |
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Assert.That(IsMatch("List", "+Enum"), Is.False); |
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} |
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[Test] |
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public void Minus_Operator_Excludes_Names_Containing_The_Term() |
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{ |
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Assert.That(IsMatch("StringBuilder", "-Builder"), Is.False); |
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Assert.That(IsMatch("StringComparer", "-Builder"), Is.True); |
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} |
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[Test] |
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public void Equals_Operator_Requires_Exact_Name_Match() |
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{ |
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Assert.That(IsMatch("String", "=String"), Is.True); |
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Assert.That(IsMatch("String", "=string"), Is.True); |
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Assert.That(IsMatch("StringBuilder", "=String"), Is.False); |
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} |
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[Test] |
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public void Equals_Operator_Compares_Against_The_Backtick_Suffixed_Name() |
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{ |
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// The compare window is max(term length incl. '=', chars before '`'), so a
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// generic type only matches when the term spells out the arity suffix too.
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Assert.That(IsMatch("List`1", "=List`1"), Is.True); |
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Assert.That(IsMatch("List`1", "=List"), Is.False); |
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Assert.That(IsMatch("List`1", "=Dictionary"), Is.False); |
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} |
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[Test] |
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public void Fuzzy_Operator_Matches_Noncontiguous_Character_Sequences() |
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{ |
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Assert.That(IsMatch("StringBuilder", "~sb"), Is.True); |
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Assert.That(IsMatch("StringBuilder", "~strbld"), Is.True); |
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Assert.That(IsMatch("StringBuilder", "~xyz"), Is.False); |
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// Characters must appear in order: 'b' never precedes 's'.
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Assert.That(IsMatch("StringBuilder", "~bs"), Is.False); |
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} |
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[Test] |
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public void Fuzzy_Operator_Ignores_Case_On_Both_Sides() |
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{ |
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Assert.That(IsMatch("StringBuilder", "~SB"), Is.True); |
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Assert.That(IsMatch("stringbuilder", "~STRB"), Is.True); |
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} |
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[Test] |
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public void Fuzzy_Term_Longer_Than_The_Name_Never_Matches() |
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{ |
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Assert.That(IsMatch("Ab", "~abc"), Is.False); |
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} |
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[Test] |
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public void Multiple_Terms_Are_A_Conjunction() |
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{ |
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Assert.That(IsMatch("StringBuilder", "String", "Builder"), Is.True); |
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Assert.That(IsMatch("StringBuilder", "String", "-Builder"), Is.False); |
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Assert.That(IsMatch("StringComparer", "String", "-Builder"), Is.True); |
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} |
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[Test] |
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public void Degenerate_Terms_Match_Everything() |
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{ |
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// An empty term is skipped; a bare operator has no payload to test.
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Assert.That(IsMatch("Anything", ""), Is.True); |
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Assert.That(IsMatch("Anything", "~"), Is.True); |
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Assert.That(IsMatch("Anything", "-"), Is.True); |
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} |
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} |
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