Function assertPathExists

deps/v8/test/mjsunit/tools/profile.mjs:35–42

(root, path, opt_message)

function assertPathExists(root, path, opt_message) {
  var message = opt_message ? ' (' + opt_message + ')' : '';
  assertNotNull(root.descendToChild(path, function(node, pos) {
    assertNotNull(node,
      stackToString(path.slice(0, pos)) + ' has no child ' +
                    path[pos] + message);
  }), opt_message);
};


function assertNoPathExists(root, path, opt_message) {