ladybird/Libraries/LibJS/Tests/loops/for-of-basic.js

load("test-common.js");

try {
  assertThrowsError(
    () => {
      for (const _ of 123) {
      }
    },
    {
      error: TypeError,
      message: "for..of right-hand side must be iterable",
    }
  );

  assertThrowsError(
    () => {
      for (const _ of { foo: 1, bar: 2 }) {
      }
    },
    {
      error: TypeError,
      message: "for..of right-hand side must be iterable",
    }
  );

  assertVisitsAll(
    visit => {
      for (const num of [1, 2, 3]) {
        visit(num);
      }
    },
    [1, 2, 3]
  );

  assertVisitsAll(
    visit => {
      for (const char of "hello") {
        visit(char);
      }
    },
    ["h", "e", "l", "l", "o"]
  );

  assertVisitsAll(
    visit => {
      for (const char of new String("hello")) {
        visit(char);
      }
    },
    ["h", "e", "l", "l", "o"]
  );

  var char;
  for (char of "abc");
  assert(char === "c");

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