Merge pull request #8231 from DustinCampbell/port-textdiffer-fix

DustinCampbell · web-flow · commit 23245e6bf9f6 · 2023-02-07T09:18:30.000-08:00
Port SourceTextDiffer fix to release/17.6
diff --git a/src/Razor/src/Microsoft.CodeAnalysis.Razor.Workspaces/TextDifferencing/TextDiffer.IntArray.cs b/src/Razor/src/Microsoft.CodeAnalysis.Razor.Workspaces/TextDifferencing/TextDiffer.IntArray.cs
@@ -118,7 +118,7 @@ public ref int this[int index]
                 // Does this index fall within page? If not, acquire the appropriate page.
                 if (index < page.Start || index >= page.Start + page.Length)
                 {
-                    page = _pages[index % PageSize];
+                    page = _pages[index / PageSize];
                     _page = page;
                 }
 

Original file line number	Diff line number	Diff line change
`@@ -118,7 +118,7 @@ public ref int this[int index]`
`118`	`118`	`// Does this index fall within page? If not, acquire the appropriate page.`
`119`	`119`	`if (index < page.Start \|\| index >= page.Start + page.Length)`
`120`	`120`	`{`
`121`		`- page = _pages[index % PageSize];`
	`121`	`+ page = _pages[index / PageSize];`
`122`	`122`	`_page = page;`
`123`	`123`	`}`
`124`	`124`