TypeScript/src/testRunner/unittests/jsonParserRecovery.ts

namespace ts {
    describe("unittests:: jsonParserRecovery", () => {
        function parsesToValidSourceFileWithErrors(name: string, text: string) {
            it(name, () => {
                const file = parseJsonText(name, text);
                assert(file.parseDiagnostics.length, "Should have parse errors");
                Harness.Baseline.runBaseline(
                    `jsonParserRecovery/${name.replace(/[^a-z0-9_-]/ig, "_")}.errors.txt`,
                    Harness.Compiler.getErrorBaseline([{
                        content: text,
                        unitName: name
                    }], file.parseDiagnostics));

                // Will throw if parse tree does not cover full input text
                file.getChildren();
            });
        }

        parsesToValidSourceFileWithErrors("trailing identifier", "{} blah");
        parsesToValidSourceFileWithErrors("TypeScript code", "interface Foo {} blah");
        parsesToValidSourceFileWithErrors("Two comma-separated objects", "{}, {}");
        parsesToValidSourceFileWithErrors("Two objects", "{} {}");
        parsesToValidSourceFileWithErrors("JSX", `
        interface Test {}

        const Header = () => (
          <div>
            <h1>Header</h1>
            <style jsx>
              {\`
                h1 {
                  color: red;
                }
              \`}
            </style>
          </div>
        )`);
    });
}