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 + * The Java Language Specification, Second Edition, + * + * Section 15.18.1.1), regardless of the type of expression. + * + * @since 1.4 + */ +public class AssertionError extends Error { + /** + * 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 The Java Language Specification, Second + * Edition, Section 15.18.1.1. + *
+ * If the specified object is an instance of 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 The Java Language Specification,
+ * Second Edition, Section 15.18.1.1.
+ *
+ * @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 The Java Language Specification, Second
+ * Edition, Section 15.18.1.1.
+ *
+ * @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 The Java Language Specification, Second
+ * Edition, Section 15.18.1.1.
+ *
+ * @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 The Java Language Specification, Second
+ * Edition, Section 15.18.1.1.
+ *
+ * @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 The Java Language Specification, Second
+ * Edition, Section 15.18.1.1.
+ *
+ * @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 The Java Language Specification, Second
+ * Edition, Section 15.18.1.1.
+ *
+ * @param detailMessage value to be used in constructing detail message
+ */
+ public AssertionError(double detailMessage) {
+ this("" + detailMessage);
+ }
+}