EA-36817: add message for assert for clarify cause of exception

2012-09-18 13:16:15 +04:00
parent d2c4f5c4a5
commit 20f1ddc9da
1 changed files with 3 additions and 1 deletions
@@ -36,7 +36,9 @@ public abstract class ClassDescriptorBase implements ClassDescriptor {
    @NotNull
    @Override
    public JetScope getMemberScope(List<TypeProjection> typeArguments) {
-        assert typeArguments.size() == getTypeConstructor().getParameters().size();
+        assert typeArguments.size() == getTypeConstructor().getParameters().size() : "Illegal number of type arguments: expected " 
+                                                                                     + getTypeConstructor().getParameters().size() + " but was " + typeArguments.size() 
+                                                                                     + " for " + getTypeConstructor() + " " + getTypeConstructor().getParameters();
        if (typeArguments.isEmpty()) return getScopeForMemberLookup();

        List<TypeParameterDescriptor> typeParameters = getTypeConstructor().getParameters();