const assert = require('assert');
const wasm = require('wasm-bindgen-test.js');

exports.test_works = function() {
  assert.strictEqual(wasm.api_foo(), 'foo');
  assert.strictEqual(wasm.api_bar('a'), 'a');
  assert.strictEqual(wasm.api_baz(), 1);
  wasm.api_baz2(2, 'a');

  assert.strictEqual(wasm.api_js_null(), null);
  assert.strictEqual(wasm.api_js_undefined(), undefined);

  wasm.api_test_is_null_undefined(null, undefined, 1.0);

  assert.strictEqual(wasm.api_get_true(), true);
  assert.strictEqual(wasm.api_get_false(), false);
  wasm.api_test_bool(true, false, 1.0);

  assert.strictEqual(typeof(wasm.api_mk_symbol()), 'symbol');
  assert.strictEqual(typeof(wasm.api_mk_symbol2('a')), 'symbol');
  assert.strictEqual(Symbol.keyFor(wasm.api_mk_symbol()), undefined);
  assert.strictEqual(Symbol.keyFor(wasm.api_mk_symbol2('b')), undefined);

  wasm.api_assert_symbols(Symbol(), 'a');
  wasm.api_acquire_string('foo', null);
  assert.strictEqual(wasm.api_acquire_string2(''), '');
  assert.strictEqual(wasm.api_acquire_string2('a'), 'a');
};

exports.test_eq_works = function() {
  assert.strictEqual(wasm.eq_test('a', 'a'), true);
  assert.strictEqual(wasm.eq_test('a', 'b'), false);
  assert.strictEqual(wasm.eq_test(NaN, NaN), false);
  assert.strictEqual(wasm.eq_test({a: 'a'}, {a: 'a'}), false);
  assert.strictEqual(wasm.eq_test1(NaN), false);
  let x = {a: 'a'};
  assert.strictEqual(wasm.eq_test(x, x), true);
  assert.strictEqual(wasm.eq_test1(x), true);
};

exports.assert_null = function(x) {
  assert.strictEqual(x, null);
};