First, I didn't say it was laudable, just that it's a fact. Second, is it the norm? Neither Cocoa nor .NET are fully open source AFAIK. Finally, the TCK tests a

First, I didn't say it was laudable, just that it's a fact. Second, is it the norm? Neither Cocoa nor .NET are fully open source AFAIK. Finally, the TCK tests aren't held in secret; they are licensed for free, but are just not open source (yet?). There are plenty of tests in OpenJDK, though: http://hg.openjdk.java.net/jdk/jdk/file/805584336738/test http://hg.openjdk.java.net/jdk/jdk/file/805584336738/test