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object Assert extends Object with Assert

Assert Singleton

Annotations
@native() @JSImport( "assert" , JSImport.Namespace )
Linear Supertypes
Assert, IEventEmitter, Object, Any, AnyRef, Any
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  1. Assert
  2. Assert
  3. IEventEmitter
  4. Object
  5. Any
  6. AnyRef
  7. Any
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Value Members

  1. final def !=(arg0: Any): Boolean
    Definition Classes
    AnyRef → Any
  2. final def ##(): Int
    Definition Classes
    AnyRef → Any
  3. final def ==(arg0: Any): Boolean
    Definition Classes
    AnyRef → Any
  4. def addListener(eventName: String, listener: Function): Assert.this.type

    Alias for emitter.on(eventName, listener).

    Alias for emitter.on(eventName, listener).

    Definition Classes
    IEventEmitter
    Example:

    1. emitter.addListener(eventName, listener)

    See also

    on()

  5. def apply(expression: Any, message: String = js.native): Unit

    An alias of assert.ok() .

    An alias of assert.ok() .

    expression

    the expression to evaluate

    Definition Classes
    Assert
    Example:

    1. assert(value[, message])

  6. final def asInstanceOf[T0]: T0
    Definition Classes
    Any
  7. def clone(): AnyRef
    Attributes
    protected[lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( ... ) @native() @HotSpotIntrinsicCandidate()
  8. def deepStrictEqual(actual: Any, expected: Any, message: String = js.native): Unit

    Generally identical to assert.deepEqual() with two exceptions.

    Generally identical to assert.deepEqual() with two exceptions. First, primitive values are compared using the strict equality operator ( === ). Second, object comparisons include a strict equality check of their prototypes.

    Definition Classes
    Assert
    Example:

    1. assert.deepStrictEqual(actual, expected[, message])

  9. def doesNotThrow(block: Function, error: |[RegExp, Function] = js.native, message: String = js.native): Unit

    Asserts that the function block does not throw an error.

    Asserts that the function block does not throw an error. See assert.throws() for more details. When assert.doesNotThrow() is called, it will immediately call the block function. If an error is thrown and it is the same type as that specified by the error parameter, then an AssertionError is thrown. If the error is of a different type, or if the error parameter is undefined, the error is propagated back to the caller.

    Definition Classes
    Assert
    Example:

    1. assert.doesNotThrow(block[, error][, message])

  10. val domain: String
    Definition Classes
    IEventEmitter
  11. def emit(name: String, args: Any*): Boolean

    Synchronously calls each of the listeners registered for the event named eventName, in the order they were registered, passing the supplied arguments to each.

    Synchronously calls each of the listeners registered for the event named eventName, in the order they were registered, passing the supplied arguments to each.

    Returns true if the event had listeners, false otherwise.

    name

    the event name

    args

    the event arguments

    Definition Classes
    IEventEmitter
    Example:

    1. emitter.emit(name[, arg1][, arg2][, ...])

  12. final def eq(arg0: AnyRef): Boolean
    Definition Classes
    AnyRef
  13. def equals(arg0: Any): Boolean
    Definition Classes
    AnyRef → Any
  14. def eventNames(): Array[String]
    Definition Classes
    IEventEmitter
  15. def fail(message: scala.scalajs.js.Error): Unit

    Definition Classes
    Assert
    See also

    https://nodejs.org/api/assert.html#assert_assert_fail_message

  16. def fail(message: String): Unit

    Definition Classes
    Assert
    See also

    https://nodejs.org/api/assert.html#assert_assert_fail_message

  17. final def getClass(): Class[_]
    Definition Classes
    AnyRef → Any
    Annotations
    @native() @HotSpotIntrinsicCandidate()
  18. def getMaxListeners(): Int

    Returns the current max listener value for the EventEmitter which is either set by emitter.setMaxListeners(n) or defaults to EventEmitter.defaultMaxListeners.

    Returns the current max listener value for the EventEmitter which is either set by emitter.setMaxListeners(n) or defaults to EventEmitter.defaultMaxListeners.

    Definition Classes
    IEventEmitter
    Example:

    1. emitter.getMaxListeners()

    See also

    setMaxListeners()

  19. def hasOwnProperty(v: String): Boolean
    Definition Classes
    Object
  20. def hashCode(): Int
    Definition Classes
    AnyRef → Any
    Annotations
    @native() @HotSpotIntrinsicCandidate()
  21. def ifError(value: Any): Unit

    Throws value if value is truthy.

    Throws value if value is truthy. This is useful when testing the error argument in callbacks.

    Definition Classes
    Assert
    Example:

    1. assert.ifError(value)

  22. final def isInstanceOf[T0]: Boolean
    Definition Classes
    Any
  23. def isPrototypeOf(v: Object): Boolean
    Definition Classes
    Object
  24. def listenerCount(eventName: String): Int

    Returns the number of listeners listening to the event named eventName.

    Returns the number of listeners listening to the event named eventName.

    Definition Classes
    IEventEmitter
    Example:

    1. emitter.listenerCount(eventName)

  25. def listeners(eventName: String): Array[Function]

    Returns a copy of the array of listeners for the event named eventName.

    Returns a copy of the array of listeners for the event named eventName.

    Definition Classes
    IEventEmitter
    Example:

    1. emitter.listeners(eventName)

  26. final def ne(arg0: AnyRef): Boolean
    Definition Classes
    AnyRef
  27. def notDeepStrictEqual(actual: Any, expected: Any, message: String = js.native): Unit

    Tests for deep strict inequality.

    Tests for deep strict inequality. Opposite of assert.deepStrictEqual().

    Definition Classes
    Assert
    Example:

    1. assert.notDeepStrictEqual(actual, expected[, message])

  28. def notStrictEqual(actual: Any, expected: Any, message: String = js.native): Unit

    Tests strict inequality as determined by the strict not equal operator ( !== ).

    Tests strict inequality as determined by the strict not equal operator ( !== ).

    Definition Classes
    Assert
    Example:

    1. assert.notStrictEqual(actual, expected[, message])

  29. final def notify(): Unit
    Definition Classes
    AnyRef
    Annotations
    @native() @HotSpotIntrinsicCandidate()
  30. final def notifyAll(): Unit
    Definition Classes
    AnyRef
    Annotations
    @native() @HotSpotIntrinsicCandidate()
  31. def ok(value: Any, message: String = js.native): Unit

    Tests if value is truthy.

    Tests if value is truthy. It is equivalent to assert.equal(!!value, true, message). If value is not truthy, an AssertionError is thrown with a message property set equal to the value of the message parameter. If the message parameter is undefined, a default error message is assigned.

    Definition Classes
    Assert
  32. def on(eventName: String, listener: Function): Assert.this.type

    Adds the listener function to the end of the listeners array for the event named eventName.

    Adds the listener function to the end of the listeners array for the event named eventName. No checks are made to see if the listener has already been added. Multiple calls passing the same combination of eventName and listener will result in the listener being added, and called, multiple times.

    Returns a reference to the EventEmitter so calls can be chained.

    Definition Classes
    IEventEmitter
    Example:

    1. emitter.on(eventName, listener)

  33. def once(eventName: String, listener: Function): Assert.this.type

    Adds a one time listener function for the event named eventName.

    Adds a one time listener function for the event named eventName. This listener is invoked only the next time eventName is triggered, after which it is removed.

    Definition Classes
    IEventEmitter
    Example:

    1. emitter.once(eventName, listener)

  34. def prependListener(eventName: String, listener: Function): Assert.this.type
    Definition Classes
    IEventEmitter
  35. def prependOnceListener(eventName: String, listener: Function): Assert.this.type
    Definition Classes
    IEventEmitter
  36. def propertyIsEnumerable(v: String): Boolean
    Definition Classes
    Object
  37. def removeAllListeners(eventName: String = js.native): Assert.this.type

    Removes all listeners, or those of the specified eventName.

    Removes all listeners, or those of the specified eventName.

    Note that it is bad practice to remove listeners added elsewhere in the code, particularly when the EventEmitter instance was created by some other component or module (e.g. sockets or file streams).

    Returns a reference to the EventEmitter so calls can be chained.

    Definition Classes
    IEventEmitter
    Example:

    1. emitter.removeAllListeners([eventName])

  38. def removeListener(eventName: String, listener: Function): Assert.this.type

    Removes the specified listener from the listener array for the event named eventName.

    Removes the specified listener from the listener array for the event named eventName. removeListener will remove, at most, one instance of a listener from the listener array. If any single listener has been added multiple times to the listener array for the specified eventName, then removeListener must be called multiple times to remove each instance.

    Note that once an event has been emitted, all listeners attached to it at the time of emitting will be called in order. This implies that any removeListener() or removeAllListeners() calls after emitting and before the last listener finishes execution will not remove them from emit() in progress. Subsequent events will behave as expected.

    Definition Classes
    IEventEmitter
    Example:

    1. emitter.removeListener(eventName, listener)

  39. def setMaxListeners(n: Int): Assert.this.type

    By default EventEmitters will print a warning if more than 10 listeners are added for a particular event.

    By default EventEmitters will print a warning if more than 10 listeners are added for a particular event. This is a useful default that helps finding memory leaks. Obviously, not all events should be limited to just 10 listeners. The emitter.setMaxListeners() method allows the limit to be modified for this specific EventEmitter instance. The value can be set to Infinity (or 0) for to indicate an unlimited number of listeners.

    Returns a reference to the EventEmitter so calls can be chained.

    Definition Classes
    IEventEmitter
    Example:

    1. emitter.setMaxListeners(n)

  40. def strictEqual(actual: Any, expected: Any, message: String = js.native): Unit

    Tests strict equality as determined by the strict equality operator ( === ).

    Tests strict equality as determined by the strict equality operator ( === ).

    Definition Classes
    Assert
    Example:

    1. assert.strictEqual(actual, expected[, message])

  41. final def synchronized[T0](arg0: ⇒ T0): T0
    Definition Classes
    AnyRef
  42. def throws(block: Function, error: |[|[|[RegExp, Function], Object], Error], message: String = js.native): Unit

    If the values are not strictly equal, an AssertionError is thrown with a message property set equal to the value of the message parameter.

    If the values are not strictly equal, an AssertionError is thrown with a message property set equal to the value of the message parameter. If the message parameter is undefined, a default error message is assigned.

    Definition Classes
    Assert
    Example:

    1. assert.throws(block[, error][, message])

  43. def toLocaleString(): String
    Definition Classes
    Object
  44. def toString(): String
    Definition Classes
    AnyRef → Any
  45. val usingDomains: Boolean
    Definition Classes
    IEventEmitter
  46. def valueOf(): Any
    Definition Classes
    Object
  47. final def wait(arg0: Long, arg1: Int): Unit
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  48. final def wait(arg0: Long): Unit
    Definition Classes
    AnyRef
    Annotations
    @throws( ... ) @native()
  49. final def wait(): Unit
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )

Deprecated Value Members

  1. def fail(actual: Any, expected: Any, message: String, operator: String): Unit
    Definition Classes
    Assert
    Annotations
    @deprecated
    Deprecated

    (Since version Node.js v10.0.0) Use assert.fail([message]) or other assert functions instead.

  2. def finalize(): Unit
    Attributes
    protected[lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( classOf[java.lang.Throwable] ) @Deprecated @deprecated
    Deprecated

    (Since version ) see corresponding Javadoc for more information.

Inherited from Assert

Inherited from IEventEmitter

Inherited from Object

Inherited from Any

Inherited from AnyRef

Inherited from Any

Ungrouped