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Use LINQ to simplify tests

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This commit is contained in:
Alexander Luzgarev 2019-02-11 20:36:42 +01:00
parent 4eac2cd9fc
commit f65baccd86
1 changed files with 22 additions and 34 deletions
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56
Parser.Tests/MLexerGreenTests.cs
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@ -78,17 +78,17 @@ namespace Parser.Tests
public static IEnumerable<(TokenKind kind, string text)> GetTokens()
{
var fixedTokens = Enum.GetValues(typeof(TokenKind))
.Cast<TokenKind>()
.Select(k => (kind: k, text: SyntaxFacts.GetText(k)))
.Where(t => !(t.text is null))
.Where(t => !(SyntaxFacts.IsUnaryTokenKind(t.kind)
|| SyntaxFacts.IsOpeningToken(t.kind)
|| SyntaxFacts.IsClosingToken(t.kind)
|| t.kind == TokenKind.ApostropheToken));
var dynamicTokens = new[]
var fixedTokens =
from TokenKind kind in Enum.GetValues(typeof(TokenKind))
let text = SyntaxFacts.GetText(kind)
where !(text is null)
where !(SyntaxFacts.IsUnaryTokenKind(kind)
|| SyntaxFacts.IsOpeningToken(kind)
|| SyntaxFacts.IsClosingToken(kind)
|| kind == TokenKind.ApostropheToken)
select (kind, text);
var dynamicTokens = new[]
{
(TokenKind.IdentifierToken, "a"),
(TokenKind.IdentifierToken, "abc"),
@ -105,33 +105,21 @@ namespace Parser.Tests
public static IEnumerable<(TokenKind kind1, string text1, TokenKind kind2, string text2)> GetPairsOfTokens()
{
foreach (var token1 in GetTokens())
{
foreach (var token2 in GetTokens())
{
if (!RequiresSeparator(token1.kind, token2.kind))
{
yield return (token1.kind, token1.text, token2.kind, token2.text);
}
}
}
return
from token1 in GetTokens()
from token2 in GetTokens()
where !RequiresSeparator(token1.kind, token2.kind)
select (token1.kind, token1.text, token2.kind, token2.text);
}
public static IEnumerable<(TokenKind kind1, string text1, string separatorText, TokenKind kind2, string text2)> GetPairsOfTokensWithSeparators()
{
foreach (var token1 in GetTokens())
{
foreach (var token2 in GetTokens())
{
if (RequiresSeparator(token1.kind, token2.kind))
{
foreach (var separatorText in GetSeparators())
{
yield return (token1.kind, token1.text, separatorText, token2.kind, token2.text);
}
}
}
}
return
from token1 in GetTokens()
from token2 in GetTokens()
where RequiresSeparator(token1.kind, token2.kind)
from separatorText in GetSeparators()
select (token1.kind, token1.text, separatorText, token2.kind, token2.text);
}
private static bool RequiresSeparator(TokenKind kind1, TokenKind kind2)