Fix normalization issue with .. inside path

kant2002 · ForNeVeR · commit 664ef80b9d26 · 2025-05-31T16:38:32.000+02:00
closes #134
diff --git a/TruePath.Tests/PathStringsTests.cs b/TruePath.Tests/PathStringsTests.cs
@@ -59,6 +59,7 @@ public void SeparatorsAreDeduplicated(string input, string expected)
     [InlineData(".../..", "")]
     [InlineData(".../...", ".../...")]
     [InlineData(".../../...", "...")]
+    [InlineData("foo/bar/../file.ext", "foo/file.ext")]
     public void DotFoldersAreTraversedCorrectly(string input, string expected)
     {
         Assert.Equal(NormalizeSeparators(expected), PathStrings.Normalize(input));
diff --git a/TruePath/PathStrings.cs b/TruePath/PathStrings.cs
@@ -102,8 +102,8 @@ block is ".."
                 }
                 else if (jump != -1)
                 {
-                    written = jump;
-                    buffer = normalized.Slice(written + 1);
+                    written = last ? jump : jump + 1;
+                    buffer = normalized.Slice(written);
                     skip = true;
                 }
                 else

Original file line number	Diff line number	Diff line change
`@@ -59,6 +59,7 @@ public void SeparatorsAreDeduplicated(string input, string expected)`
`59`	`59`	`[InlineData(".../..", "")]`
`60`	`60`	`[InlineData(".../...", ".../...")]`
`61`	`61`	`[InlineData(".../../...", "...")]`
	`62`	`+ [InlineData("foo/bar/../file.ext", "foo/file.ext")]`
`62`	`63`	`public void DotFoldersAreTraversedCorrectly(string input, string expected)`
`63`	`64`	`{`
`64`	`65`	`Assert.Equal(NormalizeSeparators(expected), PathStrings.Normalize(input));`
Original file line number	Diff line number	Diff line change
`@@ -102,8 +102,8 @@ block is ".."`
`102`	`102`	`}`
`103`	`103`	`else if (jump != -1)`
`104`	`104`	`{`
`105`		`- written = jump;`
`106`		`- buffer = normalized.Slice(written + 1);`
	`105`	`+ written = last ? jump : jump + 1;`
	`106`	`+ buffer = normalized.Slice(written);`
`107`	`107`	`skip = true;`
`108`	`108`	`}`
`109`	`109`	`else`