Add tests for empty files

Prevents regressions like #395 #21

Author: jhnns

test/index.test.js

@@ -93,6 +93,10 @@ syntaxStyles.forEach(ext => {
  data: "$prepended-data: hotpink;"
  }));
  });
+ // See https://github.com/webpack-contrib/sass-loader/issues/21
+ describe("empty files", () => {
+ it("should compile without errors", () => execTest("empty"));
+ });
  });
 });