hg: kulla/dev/langtools: Rationalize and normalize assertEval test framework. All eval() testing now channelled through one method. Resultant tests inspect all returned information. Also clean-up key retrieval. And clarify KeyStatusEvent.exception

[robert.field at oracle.com]

Changeset: 35e0284f0a30
Author:    rfield
Date:      2015-06-13 23:07 -0700
URL:       http://hg.openjdk.java.net/kulla/dev/langtools/rev/35e0284f0a30

Rationalize and normalize assertEval test framework.  All eval() testing now channelled through one method.  Resultant tests inspect all returned information.  Also clean-up key retrieval.  And clarify KeyStatusEvent.exception

! src/jdk.jshell/share/classes/jdk/internal/jshell/impl/Eval.java
! src/jdk.jshell/share/classes/jdk/jshell/KeyStatusEvent.java
! test/jdk/jshell/ClassesTest.java
! test/jdk/jshell/CompletionSuggestionTest.java
! test/jdk/jshell/DropTest.java
! test/jdk/jshell/EmptyTest.java
! test/jdk/jshell/ExceptionsTest.java
! test/jdk/jshell/KullaTesting.java
! test/jdk/jshell/MethodsTest.java
! test/jdk/jshell/ModifiersTest.java
! test/jdk/jshell/ReplaceTest.java
! test/jdk/jshell/SimpleRegressionTest.java
! test/jdk/jshell/VariablesTest.java