Add RUBY_ENGINE constant per last night's design discussion.

git-svn-id: http://svn.codehaus.org/jruby/trunk/jruby@6607 961051c9-f516-0410-bf72-c9f7e237a7b7
jruby · May 1, 2008 · 64867ce · 64867ce
1 parent e170711
commit 64867ce
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diff --git a/src/org/jruby/RubyGlobal.java b/src/org/jruby/RubyGlobal.java
@@ -128,11 +128,13 @@ public static void createGlobals(Ruby runtime) {
         IRubyObject version = runtime.newString(Constants.RUBY_VERSION).freeze();
         IRubyObject release = runtime.newString(Constants.COMPILE_DATE).freeze();
         IRubyObject platform = runtime.newString(Constants.PLATFORM).freeze();
+        IRubyObject engine = runtime.newString(Constants.ENGINE).freeze();
 
         runtime.defineGlobalConstant("RUBY_VERSION", version);
         runtime.defineGlobalConstant("RUBY_PATCHLEVEL", runtime.newString(Constants.RUBY_PATCHLEVEL).freeze());
         runtime.defineGlobalConstant("RUBY_RELEASE_DATE", release);
         runtime.defineGlobalConstant("RUBY_PLATFORM", platform);
+        runtime.defineGlobalConstant("RUBY_ENGINE", engine);
 
         runtime.defineGlobalConstant("VERSION", version);
         runtime.defineGlobalConstant("RELEASE_DATE", release);

diff --git a/src/org/jruby/runtime/Constants.java b/src/org/jruby/runtime/Constants.java
@@ -54,6 +54,7 @@ public final class Constants {
     public static final String BUILD;
     public static final String TARGET;
     public static final String REVISION;
+    public static final String ENGINE = "jruby";
 
     static {
         InputStream stream = null;

diff --git a/test/jruby_index b/test/jruby_index
@@ -19,6 +19,7 @@ test_core_arities
 test_crazy_blocks
 test_date_time
 test_defined
+test_default_constants
 test_dir
 #test_digest2
 test_dup_clone_taint_freeze

diff --git a/test/test_default_constants.rb b/test/test_default_constants.rb
@@ -0,0 +1,7 @@
+require 'test/unit'
+
+class TestDefaultConstants < Test::Unit::TestCase
+  def test_values
+    assert_equal('jruby', RUBY_ENGINE)
+  end
+end