Fixed issue: #86

jse/src/test/java/org/luaj/vm2/FragmentsTest.java

@@ -140,6 +140,28 @@ public class FragmentsTest extends TestSuite {
 				"return sum\n");
 		}
 
+		public void testDebugGetInfoLevelZeroReturnsGetInfoFunction() {
+			runFragment(
+				LuaValue.TRUE,
+				"return debug.getinfo(0, 'f').func == debug.getinfo\n");
+		}
+
+		public void testDebugGetInfoInsideHookSeesHookFunction() {
+			runFragment(
+				LuaValue.TRUE,
+				"local ok = false\n" +
+				"local hook\n" +
+				"hook = function()\n" +
+				"  local info = debug.getinfo(1, 'f')\n" +
+				"  ok = info ~= nil and info.func == hook\n" +
+				"  debug.sethook()\n" +
+				"end\n" +
+				"debug.sethook(hook, 'c')\n" +
+				"local function foo() end\n" +
+				"foo()\n" +
+				"return ok\n");
+		}
+
 		public void testLongIntegerLiteralPrecision() {
 			runFragment(
 				LuaValue.varargsOf(new LuaValue[] {