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//test suite 

function assert (value, desc) {
  if (value) {
    console.debug("PASS: " + desc);
  }
  else {
    console.error("FAILED: " + desc);
  }
}

window.onload = function () {
  assert(true, "The test suite is running.");
  assert(false, "Fail!");
};

// test group

(function () {
  this.assert = function assert(value, desc) {
    if (value) {
      console.debug("PASSED: " + desc);
    }
      else {
        console.error("FAILED: " + desc);
      }
  };

  this.test = function test(name, fn) {
    console.warn("TESTGROUP: " + name);
    fn();
  };
})();

window.onload = function () {
  test("A test.", function () {
    assert(true, "First assertion completed");
    assert(true, "Second assertion completed");
    assert(true, "Third assertion completed");
  });
  test("Another test.", function () {
    assert(true, "First test completed");
    assert(false, "Second test failed");
    assert(true, "Third assertion completed");
  });
  test("A third test.", function () {
    assert(null, "fail");
    assert(5, "pass");
  });
};

// Async test group

(function () {
  var queue = [],
    paused = false;
  this.test = function (name, fn) {
    queue.push(function () {
      console.warn("TESTGROUP: " + name);
      fn();
    });
    runTest();
  };
  this.pause = function () {
    paused = true;
  };
  this.resume = function () {
    paused = false;
    setTimeout(runTest, 1);
  };
  function runTest() {
    if (!paused && queue.length) {
      queue.shift()();
      if (!paused) {
        resume();
      }
    }
  }

  this.assert = function assert(value, desc) {
    if (value) {
      console.debug("PASSED: " + desc);
    }
    else {
      console.error("FAILED: " + desc);
    }
  };
})();
window.onload = function () {
  test("Async Text #1", function () {
    pause();
    setTimeout(function () {
      assert(true, "First test completed");
      assert(false, "Test failed!");
      resume();
    }, 1000);
  });
  test("Async Test #2", function () {
    pause();
    setTimeout(function () {
      assert(true, "Second test completed");
      resume();
    }, 1000);
  });
  test("Third Async Test", function () {
    pause();
    setTimeout(function () {
      assert(true, "First test");
      assert(false, "Second tet");
      assert(true, "Third test");
    }, 3000);
  });
};

// Test suite

function assert (value, desc) {
    var li = document.createElement("li");
    li.className = value ? "pass" : "fail";
    li.appendChild(document.createTextNode(desc));
    document.getElementById("results").appendChild(li);
}

window.onload = function () {
    assert(true, "The test suite is running.");
    assert(false, "Fail!");
};

// Test group

(function () {
  var results;
  this.assert = function assert(value, desc) {
      var li = document.createElement("li");
      li.className = value ? "pass" : "fail";
      li.appendChild(document.createTextNode(desc));
      results.appendChild(li);
      if (!value) {
          li.parentNode.parentNode.className = "fail";
      }
      return li;
  };

  this.test = function test(name, fn) {
      results = document.getElementById("results");
      results = assert(true, name).appendChild(
          document.createElement("ul")
      );
      fn();
  };
})();

window.onload = function () {
  test("A test.", function () {
      assert(true, "First assertion completed");
      assert(true, "Second assertion completed");
      assert(true, "Third assertion completed");
  });
  test("Another test.", function () {
      assert(true, "First test completed");
      assert(false, "Second test failed");
      assert(true, "Third assertion completed");
  });
  test("A third test.", function () {
      assert(null, "fail");
      assert(5, "pass");
  });
};

// Async test group

(function () {
  var queue = [], paused = false, results;
  this.test = function (name, fn) {
      queue.push(function () {
          results = document.getElementById("results");
          results = assert(true, name).appendChild(
              document.createElement("ul")
          );
          fn();
      });
      runTest();
  };
  this.pause = function () {
      paused = true;
  };
  this.resume = function () {
      paused = false;
      setTimeout(runTest, 1);
  };
  function runTest() {
      if (!paused && queue.length) {
          queue.shift()();
          if (!paused) {
              resume();
          }
      }
  }

  this.assert = function assert(value, desc) {
      var li = document.createElement("li");
      li.className = value ? "pass" : "fail";
      li.appendChild(document.createTextNode(desc));
      results.appendChild(li);
      if (!value) {
          li.parentNode.parentNode.className = "fail";
      }
      return li;
  };
})();
window.onload = function () {
  test("Async Text #1", function () {
      pause();
      setTimeout(function () {
          assert(true, "First test completed");
          resume();
      }, 1000);
  });
  test("Async Test #2", function () {
      pause();
      setTimeout(function () {
          assert(true, "Second test completed");
          resume();
      }, 1000);
  });
};