ladybird/Libraries/LibJS/Tests/loops/for-head-errors.js

load("test-common.js");

try {
  assertThrowsError(
    () => {
      for (var i = foo; i < 100; ++i) {
        assertNotReached();
      }
    },
    {
      error: ReferenceError,
      message: "'foo' is not defined",
    }
  );

  assertThrowsError(
    () => {
      for (var i = 0; i < foo; ++i) {
        assertNotReached();
      }
    },
    {
      error: ReferenceError,
      message: "'foo' is not defined",
    }
  );

  var loopCount = 0;
  assertThrowsError(
    () => {
      for (var i = 0; i < 100; ++foo) {
        loopCount++;
      }
    },
    {
      error: ReferenceError,
      message: "'foo' is not defined",
    }
  );
  assert(loopCount === 1);

  console.log("PASS");
} catch (e) {
  console.log("FAIL: " + e);
}