test custom seed

tests/input/custom_seed.xml

@@ -0,0 +1,59 @@
+<simulation>
+    <control>
+      <duration>1</duration>
+      <startmonth>1</startmonth>
+      <startyear>2000</startyear>
+      <seed>20240101</seed>
+      <stride>1234</stride>
+    </control>
+
+    <archetypes>
+      <spec><lib>agents</lib><name>Source</name></spec>
+      <spec><lib>agents</lib><name>Sink</name></spec>
+      <spec><lib>agents</lib><name>NullRegion</name></spec>
+      <spec><lib>agents</lib><name>NullInst</name></spec>
+    </archetypes>
+
+    <facility>
+      <name>src</name>
+      <lifetime>1</lifetime>
+      <config>
+        <Source>
+          <commod>commod</commod>
+          <capacity>1</capacity>
+        </Source>
+      </config>
+    </facility>
+
+    <facility>
+      <name>snk</name>
+      <config>
+        <Sink>
+          <in_commods><val>commod</val></in_commods>
+          <recipe_name>commod_recipe</recipe_name>
+          <capacity>1</capacity>
+        </Sink>
+      </config>
+    </facility>
+
+    <region>
+      <name>SingleRegion</name>
+      <config> <NullRegion/> </config>
+      <institution>
+        <name>SingleInstitution</name>
+        <initialfacilitylist>
+          <entry> <prototype>src</prototype> <number>1</number> </entry>
+          <entry> <prototype>snk</prototype> <number>1</number> </entry>
+        </initialfacilitylist>
+        <config> <NullInst/> </config>
+      </institution>
+    </region>
+
+    <recipe>
+      <name>commod_recipe</name>
+      <basis>mass</basis>
+      <nuclide> <id>cs137</id> <comp>1</comp> </nuclide>
+    </recipe>
+
+  </simulation>
+

tests/integ_tests.cc

@@ -66,6 +66,7 @@ void RunSim(std::string infile, SqliteBack* back) {
 TEST(IntegTests, RunAllInfiles) {
   std::vector<std::string> infiles;
   infiles.push_back("custom_dt.xml");
+  infiles.push_back("custom_seed.xml");
   infiles.push_back("inventory.xml");
   infiles.push_back("inventory_compact.xml");
   infiles.push_back("inventory_compact_false.xml");
@@ -106,4 +107,12 @@ TEST(IntegTests, CustomTimestepDurFlat) {
   }
 }
 
+TEST(IntegTests, CustomSeed) {
+  SqliteBack back(":memory:");
+    RunSim("custom_seed.xml", &back);
+    QueryResult qr = back.Query("Info", NULL);
+    EXPECT_EQ(20240101, qr.GetVal<int>("Seed"));
+    EXPECT_EQ(1234, qr.GetVal<int>("Stride"));
+}
+
 }  // namespace cyclus