Added in API level 1

AssertionError

open class AssertionError : Error

kotlin.Any
↳	kotlin.Throwable
	↳	java.lang.Error
		↳	java.lang.AssertionError

Thrown to indicate that an assertion has failed.

The seven one-argument public constructors provided by this class ensure that the assertion error returned by the invocation:

new AssertionError(<i>expression</i>)

has as its detail message the string conversion of expression (as defined in section {@jls 5.1.11} of The Java Language Specification), regardless of the type of expression.

Summary

Public constructors
`AssertionError()` Constructs an AssertionError with no detail message.
`AssertionError(detailMessage: Any!)` Constructs an AssertionError with its detail message derived from the specified object, which is converted to a string as defined in section {@jls 5.
`AssertionError(detailMessage: Boolean)` Constructs an AssertionError with its detail message derived from the specified `boolean`, which is converted to a string as defined in section {@jls 5.
`AssertionError(detailMessage: Char)` Constructs an AssertionError with its detail message derived from the specified `char`, which is converted to a string as defined in section {@jls 5.
`AssertionError(detailMessage: Int)` Constructs an AssertionError with its detail message derived from the specified `int`, which is converted to a string as defined in section {@jls 5.
`AssertionError(detailMessage: Long)` Constructs an AssertionError with its detail message derived from the specified `long`, which is converted to a string as defined in section {@jls 5.
`AssertionError(detailMessage: Float)` Constructs an AssertionError with its detail message derived from the specified `float`, which is converted to a string as defined in section {@jls 5.
`AssertionError(detailMessage: Double)` Constructs an AssertionError with its detail message derived from the specified `double`, which is converted to a string as defined in section {@jls 5.
`AssertionError(message: String!, cause: Throwable!)` Constructs a new `AssertionError` with the specified detail message and cause.

Public constructors

AssertionError

Added in API level 1

AssertionError()

Constructs an AssertionError with no detail message.

AssertionError

Added in API level 1

AssertionError(detailMessage: Any!)

Constructs an AssertionError with its detail message derived from the specified object, which is converted to a string as defined in section {@jls 5.1.11} of The Java Language Specification.

If the specified object is an instance of Throwable, it becomes the cause of the newly constructed assertion error.

Parameters
`detailMessage`	Any!: value to be used in constructing detail message

See Also

java.lang.Throwable#getCause()

AssertionError

Added in API level 1

AssertionError(detailMessage: Boolean)

Constructs an AssertionError with its detail message derived from the specified boolean, which is converted to a string as defined in section {@jls 5.1.11} of The Java Language Specification.

Parameters
`detailMessage`	Boolean: value to be used in constructing detail message

AssertionError

Added in API level 1

AssertionError(detailMessage: Char)

Constructs an AssertionError with its detail message derived from the specified char, which is converted to a string as defined in section {@jls 5.1.11} of The Java Language Specification.

Parameters
`detailMessage`	Char: value to be used in constructing detail message

AssertionError

Added in API level 1

AssertionError(detailMessage: Int)

Constructs an AssertionError with its detail message derived from the specified int, which is converted to a string as defined in section {@jls 5.1.11} of The Java Language Specification.

Parameters
`detailMessage`	Int: value to be used in constructing detail message

AssertionError

Added in API level 1

AssertionError(detailMessage: Long)

Constructs an AssertionError with its detail message derived from the specified long, which is converted to a string as defined in section {@jls 5.1.11} of The Java Language Specification.

Parameters
`detailMessage`	Long: value to be used in constructing detail message

AssertionError

Added in API level 1

AssertionError(detailMessage: Float)

Constructs an AssertionError with its detail message derived from the specified float, which is converted to a string as defined in section {@jls 5.1.11} of The Java Language Specification.

Parameters
`detailMessage`	Float: value to be used in constructing detail message

AssertionError

Added in API level 1

AssertionError(detailMessage: Double)

Constructs an AssertionError with its detail message derived from the specified double, which is converted to a string as defined in section {@jls 5.1.11} of The Java Language Specification.

Parameters
`detailMessage`	Double: value to be used in constructing detail message

AssertionError

Added in API level 19

AssertionError(
    message: String!, 
    cause: Throwable!)

Constructs a new AssertionError with the specified detail message and cause.

Note that the detail message associated with cause is not automatically incorporated in this error's detail message.

Parameters
`message`	String!: the detail message, may be `null`
`cause`	Throwable!: the cause, may be `null`