1 files changed, 40 insertions, 0 deletions
diff --git a/src/main/java/org/junit/internal/AssumptionViolatedException.java b/src/main/java/org/junit/internal/AssumptionViolatedException.java
new file mode 100644
index 0000000..8e11268
--- /dev/null
+++ b/src/main/java/org/junit/internal/AssumptionViolatedException.java
@@ -0,0 +1,40 @@
+package org.junit.internal;
+
+import org.hamcrest.Description;
+import org.hamcrest.Matcher;
+import org.hamcrest.SelfDescribing;
+import org.hamcrest.StringDescription;
+
+public class AssumptionViolatedException extends RuntimeException implements SelfDescribing {
+	private static final long serialVersionUID= 1L;
+
+	private final Object fValue;
+
+	private final Matcher<?> fMatcher;
+
+	public AssumptionViolatedException(Object value, Matcher<?> matcher) {
+		super(value instanceof Throwable ? (Throwable) value : null);
+		fValue= value;
+		fMatcher= matcher;
+	}
+	
+	public AssumptionViolatedException(String assumption) {
+		this(assumption, null);
+	}
+
+	@Override
+	public String getMessage() {
+		return StringDescription.asString(this);
+	}
+
+	public void describeTo(Description description) {
+		if (fMatcher != null) {
+			description.appendText("got: ");
+			description.appendValue(fValue);
+			description.appendText(", expected: ");
+			description.appendDescriptionOf(fMatcher);
+		} else {
+			description.appendText("failed assumption: " + fValue);
+		}
+	}
+}
+\ No newline at end of file