serenity/Libraries/LibJS/Tests/to-number-exception.js

load("test-common.js");

try {
  const message = "oops, Value::to_number() failed";
  const o = {
    toString() {
      throw new Error(message);
    },
  };

  assertThrowsError(
    () => {
      +o;
    },
    {
      error: Error,
      message,
    }
  );

  assertThrowsError(
    () => {
      o - 1;
    },
    {
      error: Error,
      message,
    }
  );

  assertThrowsError(
    () => {
      "foo".charAt(o);
    },
    {
      error: Error,
      message,
    }
  );

  assertThrowsError(
    () => {
      "bar".repeat(o);
    },
    {
      error: Error,
      message,
    }
  );

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