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

load("test-common.js");

try {
  assertVisitsAll(visit => {
    for (const property in "") {
      visit(property);
    }
  }, []);

  assertVisitsAll(visit => {
    for (const property in 123) {
      visit(property);
    }
  }, []);

  assertVisitsAll(visit => {
    for (const property in {}) {
      visit(property);
    }
  }, []);

  assertVisitsAll(
    visit => {
      for (const property in "hello") {
        visit(property);
      }
    },
    ["0", "1", "2", "3", "4"]
  );

  assertVisitsAll(
    visit => {
      for (const property in { a: 1, b: 2, c: 2 }) {
        visit(property);
      }
    },
    ["a", "b", "c"]
  );

  var property;
  for (property in "abc");
  assert(property === "2");

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