Add msg option to InternalPrecondtions.checkType
Change-Id: I5764473a7e67fb9b0d6ae1c92f3a4920b03d8996
diff --git a/user/super/com/google/gwt/emul/javaemul/internal/InternalPreconditions.java b/user/super/com/google/gwt/emul/javaemul/internal/InternalPreconditions.java
index 419e9ac..8d3d5f4 100644
--- a/user/super/com/google/gwt/emul/javaemul/internal/InternalPreconditions.java
+++ b/user/super/com/google/gwt/emul/javaemul/internal/InternalPreconditions.java
@@ -125,11 +125,15 @@
}
public static void checkType(boolean expression) {
+ checkType(expression, null);
+ }
+
+ public static void checkType(boolean expression, String message) {
if (IS_TYPE_CHECKED) {
- checkCriticalType(expression);
+ checkCriticalType(expression, message);
} else if (IS_ASSERTED) {
try {
- checkCriticalType(expression);
+ checkCriticalType(expression, message);
} catch (Exception e) {
throw new AssertionError(e);
}
@@ -137,8 +141,12 @@
}
public static void checkCriticalType(boolean expression) {
+ checkCriticalType(expression, null);
+ }
+
+ public static void checkCriticalType(boolean expression, String message) {
if (!expression) {
- throw new ClassCastException();
+ throw new ClassCastException(message);
}
}