The seven one-argument public constructors provided by this + * class ensure that the assertion error returned by the invocation: + *
+ * new AssertionError(expression) + *+ * has as its detail message the string conversion of + * expression (as defined in section 15.18.1.1 of + * The Java™ Language Specification), + * regardless of the type of expression. + * + * @since 1.4 + */ +public class AssertionError extends Error { + private static final long serialVersionUID = -5013299493970297370L; + + /** + * Constructs an AssertionError with no detail message. + */ + public AssertionError() { + } + + /** + * This internal constructor does no processing on its string argument, + * even if it is a null reference. The public constructors will + * never call this constructor with a null argument. + */ + private AssertionError(String detailMessage) { + super(detailMessage); + } + + /** + * Constructs an AssertionError with its detail message derived + * from the specified object, which is converted to a string as + * defined in section 15.18.1.1 of + * The Java™ Language Specification. + *
+ * If the specified object is an instance of {@code Throwable}, it
+ * becomes the cause of the newly constructed assertion error.
+ *
+ * @param detailMessage value to be used in constructing detail message
+ * @see Throwable#getCause()
+ */
+ public AssertionError(Object detailMessage) {
+ this("" + detailMessage);
+ if (detailMessage instanceof Throwable)
+ initCause((Throwable) detailMessage);
+ }
+
+ /**
+ * Constructs an AssertionError with its detail message derived
+ * from the specified boolean, which is converted to
+ * a string as defined in section 15.18.1.1 of
+ * The Java™ Language Specification.
+ *
+ * @param detailMessage value to be used in constructing detail message
+ */
+ public AssertionError(boolean detailMessage) {
+ this("" + detailMessage);
+ }
+
+ /**
+ * Constructs an AssertionError with its detail message derived
+ * from the specified char, which is converted to a
+ * string as defined in section 15.18.1.1 of
+ * The Java™ Language Specification.
+ *
+ * @param detailMessage value to be used in constructing detail message
+ */
+ public AssertionError(char detailMessage) {
+ this("" + detailMessage);
+ }
+
+ /**
+ * Constructs an AssertionError with its detail message derived
+ * from the specified int, which is converted to a
+ * string as defined in section 15.18.1.1 of
+ * The Java™ Language Specification.
+ *
+ * @param detailMessage value to be used in constructing detail message
+ */
+ public AssertionError(int detailMessage) {
+ this("" + detailMessage);
+ }
+
+ /**
+ * Constructs an AssertionError with its detail message derived
+ * from the specified long, which is converted to a
+ * string as defined in section 15.18.1.1 of
+ * The Java™ Language Specification.
+ *
+ * @param detailMessage value to be used in constructing detail message
+ */
+ public AssertionError(long detailMessage) {
+ this("" + detailMessage);
+ }
+
+ /**
+ * Constructs an AssertionError with its detail message derived
+ * from the specified float, which is converted to a
+ * string as defined in section 15.18.1.1 of
+ * The Java™ Language Specification.
+ *
+ * @param detailMessage value to be used in constructing detail message
+ */
+ public AssertionError(float detailMessage) {
+ this("" + detailMessage);
+ }
+
+ /**
+ * Constructs an AssertionError with its detail message derived
+ * from the specified double, which is converted to a
+ * string as defined in section 15.18.1.1 of
+ * The Java™ Language Specification.
+ *
+ * @param detailMessage value to be used in constructing detail message
+ */
+ public AssertionError(double detailMessage) {
+ this("" + detailMessage);
+ }
+
+ /**
+ * Constructs a new {@code AssertionError} with the specified
+ * detail message and cause.
+ *
+ *
Note that the detail message associated with + * {@code cause} is not automatically incorporated in + * this error's detail message. + * + * @param message the detail message, may be {@code null} + * @param cause the cause, may be {@code null} + * + * @since 1.7 + */ + public AssertionError(String message, Throwable cause) { + super(message, cause); + } +}