LibTest/js_interop/JSAnyOperatorExtension/or_t02.dart

// Copyright (c) 2025, the Dart project authors.  Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.

/// @assertion JSAny or( JSAny? any )
/// The result of `this || any` in JavaScript.
///
/// @description Check that `or` returns result of `this || any` in JavaScript.
/// Test not 'truthy' first operand.
/// @author sgrekhov22@gmail.com

import 'dart:js_interop';
import 'dart:js_interop_unsafe';
import '../js_utils.dart';

testOr(JSAny? underTest) {
  eval(r'''
    globalThis.orNum = underTest || 2; 
    globalThis.orString = underTest || "text";
    globalThis.orNull = underTest || null;
    globalThis.orNaN = underTest || (0 / 0);
    globalThis.orArray = underTest || [1, 2];
    globalThis.orTrue = underTest || true;
  ''');

  jsExpectEquals(globalContext["orNum"], underTest.or(2.toJS));
  jsExpectEquals(globalContext["orString"], underTest.or("text".toJS));
  jsExpectEquals(globalContext["orNull"], underTest.or(null));
  jsExpectEquals(globalContext["orNaN"], underTest.or((0 / 0).toJS));
  jsExpectArrayEquals(globalContext["orArray"], underTest.or([1, 2].jsify()));
  jsExpectEquals(globalContext["orTrue"], underTest.or(true.toJS));
}

main() {
  eval("globalThis.underTest = 0;");
  testOr(0.toJS);

  eval("globalThis.underTest = '';");
  testOr(''.toJS);

  eval("globalThis.underTest = null;");
  testOr(null);

  eval("globalThis.underTest = 0 / 0;");
  testOr((0 / 0).toJS);

  eval("globalThis.underTest = false;");
  testOr(false.toJS);
}