add tests for Package

tests/package_tests.cc

@@ -0,0 +1,27 @@
+#include <string>
+
+#include <gtest/gtest.h>
+
+#include "package.h"
+
+using cyclus::Package;
+
+TEST(PackageTests, Create) {
+
+    std::string exp_name = "foo";
+    double exp_min = 0.1;
+    double exp_max = 0.9;
+    std::string exp_strat = "first";
+
+    Package::Ptr p = Package::Create(exp_name, exp_min, exp_max, exp_strat);
+
+    EXPECT_EQ(exp_name, p->name());
+    EXPECT_DOUBLE_EQ(exp_min, p->fill_min());
+    EXPECT_DOUBLE_EQ(exp_max, p->fill_max());
+    EXPECT_EQ(exp_strat, p->strategy());
+
+}
+
+TEST(PackageTests, UnpackagedID) {
+    EXPECT_EQ(1, Package::unpackaged_id());
+}