--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/graal/com.oracle.truffle.ruby.test/src/com/oracle/truffle/ruby/test/core/KernelTests.java	Mon Jan 06 17:12:09 2014 +0000
@@ -0,0 +1,110 @@
+/*
+ * Copyright (c) 2013 Oracle and/or its affiliates. All rights reserved. This
+ * code is released under a tri EPL/GPL/LGPL license. You can use it,
+ * redistribute it and/or modify it under the terms of the:
+ *
+ * Eclipse Public License version 1.0
+ * GNU General Public License version 2
+ * GNU Lesser General Public License version 2.1
+ */
+package com.oracle.truffle.ruby.test.core;
+
+import org.junit.*;
+
+import com.oracle.truffle.ruby.runtime.configuration.*;
+import com.oracle.truffle.ruby.test.*;
+
+/**
+ * Test {@code Kernel}.
+ */
+public class KernelTests extends RubyTests {
+
+    @Test
+    public void testPutsEmpty() {
+        assertPrints("\n", "puts");
+    }
+
+    @Test
+    public void testPutsString() {
+        assertPrints("1\n", "puts 1");
+    }
+
+    @Test
+    public void testPrintfNoFormatting() {
+        assertPrints("", "printf");
+        assertPrints("foo", "printf \"foo\"");
+        assertPrints("foo\n", "printf \"foo\\n\"");
+    }
+
+    @Test
+    public void testPrintfDecimal() {
+        assertPrints("foo14bar", "printf \"foo%dbar\", 14");
+    }
+
+    @Test
+    public void testGets() {
+        assertPrintsWithInput("test\n", "puts gets", "test\n");
+    }
+
+    @Test
+    public void testInteger() {
+        assertPrints("14\n", "puts Integer(\"14\")");
+    }
+
+    @Test
+    public void testEval() {
+        assertPrints("16\n", "puts eval(\"14 + 2\")");
+    }
+
+    @Test
+    public void testBindingLocalVariables() {
+        // Use the current binding for eval
+        assertPrints("16\n", "x = 14; y = 2; puts eval(\"x + y\", binding)");
+
+        // Use the binding returned from a method for eval
+        assertPrints("16\n", "def foo; x = 14; y = 2; binding; end; puts eval(\"x + y\", foo)");
+    }
+
+    @Test
+    public void testBindingInstanceVariables() {
+        // Use the binding returned from a method in an object for eval
+        assertPrints("16\n", "class Foo; def foo; @x = 14; @y = 2; binding; end; end; puts eval(\"@x + @y\", Foo.new.foo)");
+    }
+
+    @Test
+    public void testSetTraceFuncLine() {
+        final ConfigurationBuilder configuration = new ConfigurationBuilder();
+        configuration.setTrace(true);
+
+        final String code = "def foo\n" + //
+                        "    a = 14\n" + //
+                        "    b = 2\n" + //
+                        "    a + b\n" + //
+                        "end\n" + //
+                        "\n" + //
+                        "set_trace_func proc { |event, file, line, id, binding, classname|\n" + //
+                        "    if event == \"line\"\n" + //
+                        "        puts file + \":\" + line.to_s\n" + //
+                        "    end\n" + //
+                        "}\n" + //
+                        "\n" + //
+                        "foo";
+        final String input = "";
+        final String expected = "(test):13\n(test):2\n(test):3\n(test):4\n";
+        assertPrints(new Configuration(configuration), expected, "(test)", code, input);
+    }
+
+    @Test
+    public void testBlockGiven() {
+        assertPrints("false\n", "def foo; puts block_given?; end; foo");
+        assertPrints("true\n", "def foo; puts block_given?; end; foo do; end");
+        assertPrints("true\n", "def foo; puts block_given?; end; foo {}");
+        assertPrints("true\n", "def foo; puts block_given?; end; foo &:+");
+    }
+
+    @Test
+    public void testLoop() {
+        assertPrints("14\n", "loop do; break; end; puts 14");
+    }
+
+}