From 335d0003cc39b34ab15563abd8a00fef5abe2dc5 Mon Sep 17 00:00:00 2001
From: James Turner <james@flightgear.org>
Date: Wed, 24 Feb 2021 11:19:44 +0000
Subject: [PATCH] Test Nasal airport.taxiways API

---
 test_suite/unit_tests/Scripting/testNasalSys.cxx | 16 ++++++++++++++++
 test_suite/unit_tests/Scripting/testNasalSys.hxx |  2 ++
 2 files changed, 18 insertions(+)

diff --git a/test_suite/unit_tests/Scripting/testNasalSys.cxx b/test_suite/unit_tests/Scripting/testNasalSys.cxx
index 354d496e9..1a71c05fe 100644
--- a/test_suite/unit_tests/Scripting/testNasalSys.cxx
+++ b/test_suite/unit_tests/Scripting/testNasalSys.cxx
@@ -21,6 +21,7 @@
 #include "testNasalSys.hxx"
 
 #include "test_suite/FGTestApi/testGlobals.hxx"
+#include "test_suite/FGTestApi/NavDataCache.hxx"
 
 #include <simgear/structure/commands.hxx>
 
@@ -36,6 +37,7 @@
 void NasalSysTests::setUp()
 {
     FGTestApi::setUp::initTestGlobals("NasalSys");
+    FGTestApi::setUp::initNavDataCache();
 
     fgInitAllowedPaths();
     globals->get_props()->getNode("nasal", true);
@@ -150,3 +152,17 @@ void NasalSysTests::testCommands()
     CPPUNIT_ASSERT(!ok);
     CPPUNIT_ASSERT_EQUAL(19, fgGetInt("/foo/test"));
 }
+
+void NasalSysTests::testAirportGhost()
+{
+    auto nasalSys = globals->get_subsystem<FGNasalSys>();
+    nasalSys->getAndClearErrorList();
+
+    bool ok = FGTestApi::executeNasal(R"(
+        var apt = airportinfo('LFBD');
+        var taxiways = apt.taxiways;    
+        unitTest.assert_equal(size(taxiways), 0);
+    )");
+    CPPUNIT_ASSERT(ok);
+
+}
diff --git a/test_suite/unit_tests/Scripting/testNasalSys.hxx b/test_suite/unit_tests/Scripting/testNasalSys.hxx
index e815f4fc6..5a5544136 100644
--- a/test_suite/unit_tests/Scripting/testNasalSys.hxx
+++ b/test_suite/unit_tests/Scripting/testNasalSys.hxx
@@ -33,6 +33,7 @@ class NasalSysTests : public CppUnit::TestFixture
     CPPUNIT_TEST_SUITE(NasalSysTests);
     CPPUNIT_TEST(testStructEquality);
     CPPUNIT_TEST(testCommands);
+    CPPUNIT_TEST(testAirportGhost);
     CPPUNIT_TEST_SUITE_END();
 
 public:
@@ -45,6 +46,7 @@ public:
     // The tests.
     void testStructEquality();
     void testCommands();
+    void testAirportGhost();
 };
 
 #endif  // _FG_NASALSYS_UNIT_TESTS_HXX