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-rw-r--r--libjava/java/awt/FileDialog.java5
1 files changed, 5 insertions, 0 deletions
diff --git a/libjava/java/awt/FileDialog.java b/libjava/java/awt/FileDialog.java
index 6ff2b76..24a6210 100644
--- a/libjava/java/awt/FileDialog.java
+++ b/libjava/java/awt/FileDialog.java
@@ -147,6 +147,11 @@ public
FileDialog(Frame parent, String title, int mode)
{
super(parent, title, true);
+
+ if ((mode != LOAD) && (mode != SAVE))
+ throw new IllegalArgumentException (
+ "Mode argument must be either LOAD or SAVE");
+
setMode (mode);
}