angular-scroll-animate/bower_components/jasmine/src/core/Env.js

An Angular.js directive which allows you to perform any javascript actions (in the controller, or on the element) when an element is scrolled into, or out of, the users viewport, without any other dependencies.

/**
 * Environment for Jasmine
 *
 * @constructor
 */
jasmine.Env = function() {
  this.currentSpec = null;
  this.currentSuite = null;
  this.currentRunner_ = new jasmine.Runner(this);

  this.reporter = new jasmine.MultiReporter();

  this.updateInterval = jasmine.DEFAULT_UPDATE_INTERVAL;
  this.defaultTimeoutInterval = jasmine.DEFAULT_TIMEOUT_INTERVAL;
  this.lastUpdate = 0;
  this.specFilter = function() {
    return true;
  };

  this.nextSpecId_ = 0;
  this.nextSuiteId_ = 0;
  this.equalityTesters_ = [];

  // wrap matchers
  this.matchersClass = function() {
    jasmine.Matchers.apply(this, arguments);
  };
  jasmine.util.inherit(this.matchersClass, jasmine.Matchers);

  jasmine.Matchers.wrapInto_(jasmine.Matchers.prototype, this.matchersClass);
};


jasmine.Env.prototype.setTimeout = jasmine.setTimeout;
jasmine.Env.prototype.clearTimeout = jasmine.clearTimeout;
jasmine.Env.prototype.setInterval = jasmine.setInterval;
jasmine.Env.prototype.clearInterval = jasmine.clearInterval;

/**
 * @returns an object containing jasmine version build info, if set.
 */
jasmine.Env.prototype.version = function () {
  if (jasmine.version_) {
    return jasmine.version_;
  } else {
    throw new Error('Version not set');
  }
};

/**
 * @returns string containing jasmine version build info, if set.
 */
jasmine.Env.prototype.versionString = function() {
  if (!jasmine.version_) {
    return "version unknown";
  }

  var version = this.version();
  var versionString = version.major + "." + version.minor + "." + version.build;
  if (version.release_candidate) {
    versionString += ".rc" + version.release_candidate;
  }
  versionString += " revision " + version.revision;
  return versionString;
};

/**
 * @returns a sequential integer starting at 0
 */
jasmine.Env.prototype.nextSpecId = function () {
  return this.nextSpecId_++;
};

/**
 * @returns a sequential integer starting at 0
 */
jasmine.Env.prototype.nextSuiteId = function () {
  return this.nextSuiteId_++;
};

/**
 * Register a reporter to receive status updates from Jasmine.
 * @param {jasmine.Reporter} reporter An object which will receive status updates.
 */
jasmine.Env.prototype.addReporter = function(reporter) {
  this.reporter.addReporter(reporter);
};

jasmine.Env.prototype.execute = function() {
  this.currentRunner_.execute();
};

jasmine.Env.prototype.describe = function(description, specDefinitions) {
  var suite = new jasmine.Suite(this, description, specDefinitions, this.currentSuite);

  var parentSuite = this.currentSuite;
  if (parentSuite) {
    parentSuite.add(suite);
  } else {
    this.currentRunner_.add(suite);
  }

  this.currentSuite = suite;

  var declarationError = null;
  try {
    specDefinitions.call(suite);
  } catch(e) {
    declarationError = e;
  }

  if (declarationError) {
    this.it("encountered a declaration exception", function() {
      throw declarationError;
    });
  }

  this.currentSuite = parentSuite;

  return suite;
};

jasmine.Env.prototype.beforeEach = function(beforeEachFunction) {
  if (this.currentSuite) {
    this.currentSuite.beforeEach(beforeEachFunction);
  } else {
    this.currentRunner_.beforeEach(beforeEachFunction);
  }
};

jasmine.Env.prototype.currentRunner = function () {
  return this.currentRunner_;
};

jasmine.Env.prototype.afterEach = function(afterEachFunction) {
  if (this.currentSuite) {
    this.currentSuite.afterEach(afterEachFunction);
  } else {
    this.currentRunner_.afterEach(afterEachFunction);
  }

};

jasmine.Env.prototype.xdescribe = function(desc, specDefinitions) {
  return {
    execute: function() {
    }
  };
};

jasmine.Env.prototype.it = function(description, func) {
  var spec = new jasmine.Spec(this, this.currentSuite, description);
  this.currentSuite.add(spec);
  this.currentSpec = spec;

  if (func) {
    spec.runs(func);
  }

  return spec;
};

jasmine.Env.prototype.xit = function(desc, func) {
  return {
    id: this.nextSpecId(),
    runs: function() {
    }
  };
};

jasmine.Env.prototype.compareRegExps_ = function(a, b, mismatchKeys, mismatchValues) {
  if (a.source != b.source)
    mismatchValues.push("expected pattern /" + b.source + "/ is not equal to the pattern /" + a.source + "/");

  if (a.ignoreCase != b.ignoreCase)
    mismatchValues.push("expected modifier i was" + (b.ignoreCase ? " " : " not ") + "set and does not equal the origin modifier");

  if (a.global != b.global)
    mismatchValues.push("expected modifier g was" + (b.global ? " " : " not ") + "set and does not equal the origin modifier");

  if (a.multiline != b.multiline)
    mismatchValues.push("expected modifier m was" + (b.multiline ? " " : " not ") + "set and does not equal the origin modifier");

  if (a.sticky != b.sticky)
    mismatchValues.push("expected modifier y was" + (b.sticky ? " " : " not ") + "set and does not equal the origin modifier");

  return (mismatchValues.length === 0);
};

jasmine.Env.prototype.compareObjects_ = function(a, b, mismatchKeys, mismatchValues) {
  if (a.__Jasmine_been_here_before__ === b && b.__Jasmine_been_here_before__ === a) {
    return true;
  }

  a.__Jasmine_been_here_before__ = b;
  b.__Jasmine_been_here_before__ = a;

  var hasKey = function(obj, keyName) {
    return obj !== null && obj[keyName] !== jasmine.undefined;
  };

  for (var property in b) {
    if (!hasKey(a, property) && hasKey(b, property)) {
      mismatchKeys.push("expected has key '" + property + "', but missing from actual.");
    }
  }
  for (property in a) {
    if (!hasKey(b, property) && hasKey(a, property)) {
      mismatchKeys.push("expected missing key '" + property + "', but present in actual.");
    }
  }
  for (property in b) {
    if (property == '__Jasmine_been_here_before__') continue;
    if (!this.equals_(a[property], b[property], mismatchKeys, mismatchValues)) {
      mismatchValues.push("'" + property + "' was '" + (b[property] ? jasmine.util.htmlEscape(b[property].toString()) : b[property]) + "' in expected, but was '" + (a[property] ? jasmine.util.htmlEscape(a[property].toString()) : a[property]) + "' in actual.");
    }
  }

  if (jasmine.isArray_(a) && jasmine.isArray_(b) && a.length != b.length) {
    mismatchValues.push("arrays were not the same length");
  }

  delete a.__Jasmine_been_here_before__;
  delete b.__Jasmine_been_here_before__;
  return (mismatchKeys.length === 0 && mismatchValues.length === 0);
};

jasmine.Env.prototype.equals_ = function(a, b, mismatchKeys, mismatchValues) {
  mismatchKeys = mismatchKeys || [];
  mismatchValues = mismatchValues || [];

  for (var i = 0; i < this.equalityTesters_.length; i++) {
    var equalityTester = this.equalityTesters_[i];
    var result = equalityTester(a, b, this, mismatchKeys, mismatchValues);
    if (result !== jasmine.undefined) return result;
  }

  if (a === b) return true;

  if (a === jasmine.undefined || a === null || b === jasmine.undefined || b === null) {
    return (a == jasmine.undefined && b == jasmine.undefined);
  }

  if (jasmine.isDomNode(a) && jasmine.isDomNode(b)) {
    return a === b;
  }

  if (a instanceof Date && b instanceof Date) {
    return a.getTime() == b.getTime();
  }

  if (a.jasmineMatches) {
    return a.jasmineMatches(b);
  }

  if (b.jasmineMatches) {
    return b.jasmineMatches(a);
  }

  if (a instanceof jasmine.Matchers.ObjectContaining) {
    return a.matches(b);
  }

  if (b instanceof jasmine.Matchers.ObjectContaining) {
    return b.matches(a);
  }

  if (jasmine.isString_(a) && jasmine.isString_(b)) {
    return (a == b);
  }

  if (jasmine.isNumber_(a) && jasmine.isNumber_(b)) {
    return (a == b);
  }

  if (a instanceof RegExp && b instanceof RegExp) {
    return this.compareRegExps_(a, b, mismatchKeys, mismatchValues);
  }

  if (typeof a === "object" && typeof b === "object") {
    return this.compareObjects_(a, b, mismatchKeys, mismatchValues);
  }

  //Straight check
  return (a === b);
};

jasmine.Env.prototype.contains_ = function(haystack, needle) {
  if (jasmine.isArray_(haystack)) {
    for (var i = 0; i < haystack.length; i++) {
      if (this.equals_(haystack[i], needle)) return true;
    }
    return false;
  }
  return haystack.indexOf(needle) >= 0;
};

jasmine.Env.prototype.addEqualityTester = function(equalityTester) {
  this.equalityTesters_.push(equalityTester);
};