Don't use invalid cached SourceFiles

RyanCavanaugh · RyanCavanaugh · commit cb8aa9b1a3b4 · 2018-05-24T16:21:06.000-07:00
diff --git a/src/harness/fakes.ts b/src/harness/fakes.ts
@@ -332,7 +332,7 @@ namespace fakes {
             if (cacheKey) {
                 const meta = this.vfs.filemeta(canonicalFileName);
                 const sourceFileFromMetadata = meta.get(cacheKey) as ts.SourceFile | undefined;
-                if (sourceFileFromMetadata) {
+                if (sourceFileFromMetadata && sourceFileFromMetadata.getFullText() === content) {
                     this._sourceFiles.set(canonicalFileName, sourceFileFromMetadata);
                     return sourceFileFromMetadata;
                 }

Original file line number	Diff line number	Diff line change
`@@ -332,7 +332,7 @@ namespace fakes {`
`332`	`332`	`if (cacheKey) {`
`333`	`333`	`const meta = this.vfs.filemeta(canonicalFileName);`
`334`	`334`	`const sourceFileFromMetadata = meta.get(cacheKey) as ts.SourceFile \| undefined;`
`335`		`- if (sourceFileFromMetadata) {`
	`335`	`+ if (sourceFileFromMetadata && sourceFileFromMetadata.getFullText() === content) {`
`336`	`336`	`this._sourceFiles.set(canonicalFileName, sourceFileFromMetadata);`
`337`	`337`	`return sourceFileFromMetadata;`
`338`	`338`	`}`