add a stub test for verifying subclass behavior. Test fails because o…

…f weirdness elsewhere in the dependency tree.

t/pir-subclass/nummatrix2d.t

@@ -0,0 +1,31 @@
+.sub test_main
+    .include 'test_more.pir'
+    say "1..1"
+
+    test_get_pmc_keyed()
+.end
+
+#.HLL 'NumMatrix2D_HLL_Test'
+
+.sub '' :anon :init :load
+    $P0 = get_class ['Float']
+    $P1 = subclass $P0, ['TestFloat']
+    $P2 = getinterp
+    $P2.'hll_map'($P0, $P1)
+    .include 'test_more.pir'
+.end
+
+.sub is_TestFloat
+    .param pmc arg
+    $S0 = typeof arg
+    'is'($S0, 'TestFloat')
+.end
+
+.sub test_get_pmc_keyed
+    $P0 = new ['NumMatrix2D']
+    $P0.'initialize_from_args'(2, 2, 1, 2, 3, 4)
+    $P1 = $P0[0;0]
+    is_TestFloat($P1)
+.end
+
+# .HLL 'parrot'