Test more global types

tessi · Apr 3, 2024 · 3923979 · 3923979
1 parent de07ced
commit 3923979
Show file tree

Hide file tree

Showing 2 changed files with 17 additions and 4 deletions.
diff --git a/test/example_wasm_files/globals.wat b/test/example_wasm_files/globals.wat
@@ -1,4 +1,7 @@
 (module
   (global $meaning_of_life (export "meaning_of_life") i32 (i32.const 42))
-  (global $count (export "count") (mut i64) (i64.const 0))
+  (global (export "count_32") (mut i32) (i32.const -32))
+  (global (export "count_64") (mut i64) (i64.const -64))
+  (global (export "bad_pi_32") (mut f32) (f32.const 0))
+  (global (export "bad_pi_64") (mut f64) (f64.const 0))
 )
diff --git a/test/wasmex/instance_test.exs b/test/wasmex/instance_test.exs
@@ -213,7 +213,8 @@ defmodule Wasmex.InstanceTest do
                Wasmex.Instance.get_global_value(store, instance, "unknown_global")
 
       assert 42 = Wasmex.Instance.get_global_value(store, instance, "meaning_of_life")
-      assert 0 = Wasmex.Instance.get_global_value(store, instance, "count")
+      assert -32 = Wasmex.Instance.get_global_value(store, instance, "count_32")
+      assert -64 = Wasmex.Instance.get_global_value(store, instance, "count_64")
     end
 
     test t(&Wasmex.Instance.set_global_value/4), context do
@@ -226,8 +227,17 @@ defmodule Wasmex.InstanceTest do
       assert {:error, "Could not set global: immutable global cannot be set"} =
                Wasmex.Instance.set_global_value(store, instance, "meaning_of_life", 0)
 
-      assert :ok = Wasmex.Instance.set_global_value(store, instance, "count", 99)
-      assert 99 = Wasmex.Instance.get_global_value(store, instance, "count")
+      assert :ok = Wasmex.Instance.set_global_value(store, instance, "count_32", 99)
+      assert 99 = Wasmex.Instance.get_global_value(store, instance, "count_32")
+
+      assert :ok = Wasmex.Instance.set_global_value(store, instance, "count_64", 17)
+      assert 17 = Wasmex.Instance.get_global_value(store, instance, "count_64")
+
+      assert :ok = Wasmex.Instance.set_global_value(store, instance, "bad_pi_32", 3.14)
+      assert_in_delta 3.14, Wasmex.Instance.get_global_value(store, instance, "bad_pi_32"), 0.01
+
+      assert :ok = Wasmex.Instance.set_global_value(store, instance, "bad_pi_64", 3.14)
+      assert_in_delta 3.14, Wasmex.Instance.get_global_value(store, instance, "bad_pi_64"), 0.01
     end
   end
 end