wp_alloc: test more patterns

tests/heap_lang.ref

@@ -30,6 +30,26 @@
   WP let: "x" := #l in let: "y" := ref #1 in "x" <- ! "x" + #1;; ! "x"
   @ E [{ v, ⌜v = #2⌝ }]
   
+1 subgoal
+  
+  Σ : gFunctors
+  H : heapG Σ
+  l : loc
+  ============================
+  "Hl1" : l ↦{1 / 2} #0
+  "Hl2" : l ↦{1 / 2} #0
+  --------------------------------------∗
+  True
+  
+1 subgoal
+  
+  Σ : gFunctors
+  H : heapG Σ
+  l : loc
+  ============================
+  --------------------------------------∗
+  True
+  
 1 subgoal
   
   Σ : gFunctors

tests/heap_lang.v

@@ -123,6 +123,14 @@ Section tests.
     iIntros (?) "?". wp_cas as ? | ?. done. done.
   Qed.
 
+  Lemma wp_alloc_split :
+    WP Alloc #0 {{ _, True }}%I.
+  Proof. wp_alloc l as "[Hl1 Hl2]". Show. done. Qed.
+
+  Lemma wp_alloc_drop :
+    WP Alloc #0 {{ _, True }}%I.
+  Proof. wp_alloc l as "_". Show. done. Qed.
+
 End tests.
 
 Section printing_tests.