Add critical checks in StringJoiner.
This is a stop gap measure to make tests pass.
As a follow up compiler needs to be fixed to handle
CharSequence.toString properly for null values.
Change-Id: I0b9a50c762b16f9dae0693171bb135bedeb26ff7
diff --git a/user/super/com/google/gwt/emul/java/util/StringJoiner.java b/user/super/com/google/gwt/emul/java/util/StringJoiner.java
index c93b3b4..0e67640 100644
--- a/user/super/com/google/gwt/emul/java/util/StringJoiner.java
+++ b/user/super/com/google/gwt/emul/java/util/StringJoiner.java
@@ -35,6 +35,13 @@
}
public StringJoiner(CharSequence delimiter, CharSequence prefix, CharSequence suffix) {
+
+ // TODO(dankurka): remove these checks once we have the proper compiler fix
+ // for Charsequence.toString() with null values.
+ checkCriticalNotNull(delimiter, "delimiter");
+ checkCriticalNotNull(prefix, "prefix");
+ checkCriticalNotNull(suffix, "suffix");
+
this.delimiter = delimiter.toString();
this.prefix = prefix.toString();
this.suffix = suffix.toString();
