Added unit tests. Meant to be run with nodeunit

test/ishr.c0

@@ -0,0 +1,3 @@
+int main () {
+  return -1 >> 1; /* should return -1 */
+}

test/ishr.c0.bc0

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+C0 C0 FF EE       # magic number
+00 09             # version 4, arch = 1 (64 bits)
+
+00 00             # int pool count
+# int pool
+
+00 00             # string pool total size
+# string pool
+
+00 01             # function count
+# function_pool
+
+#<main>
+00 00             # number of arguments = 0
+00 00             # number of local variables = 0
+00 06             # code length = 6 bytes
+10 FF    # bipush -1       # -1
+10 01    # bipush 1        # 1
+7A       # ishr            # (-(1) >> 1)
+B0       # return          # 
+
+00 00             # native count
+# native pool
+

test/ishr.c0.bc0out

@@ -0,0 +1 @@
+-1

test/ishr.c0.c0out

@@ -0,0 +1 @@
+-1

test/tests.js

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+parser = require("../src/bytecode-parser.js")
+c0vm = require("../src/c0vm.js")
+
+var callbacks = {}
+
+// Tests that IADD, BIPUSH, and RETURN (from main) work
+exports.testIADD = function(test) {
+    var result = c0vm.execute(parser.parse("iadd.c0.bc0"), callbacks, false);
+    test.ok(result == -2, "iadd.c0.bc0 - Error in IADD, BIPUSH, or RETURN");
+    test.done();
+};
+
+exports.testPrint = function(test) {
+    var result = c0vm.execute(parser.parse("test.bc0"), callbacks, false);
+    test.ok(result == 0, "test.bc0 - Did not print to screen correctly");
+    test.done();
+}
+
+exports.testISHR = function(test) {
+    var result = c0vm.execute(parser.parse("ishr.c0.bc0"), callbacks, false);
+    test.ok(result == -1, "ishr.c0.bc0 - -1 >> 1 gave " + result + ", not -1");
+    test.done();
+}