Initial project import

tools/v/vlib/wasm/tests/var_test.v

@@ -0,0 +1,36 @@
+module main
+
+import wasm
+
+fn test_globals() {
+	mut m := wasm.Module{}
+	m.enable_debug('vlang')
+
+	vsp := m.new_global('__vsp', false, .i32_t, true, wasm.constexpr_value(10))
+	mut func := m.new_function('vsp', [], [.i32_t])
+	{
+		func.global_get(vsp)
+		func.i32_const(20)
+		func.add(.i32_t)
+		func.global_set(vsp)
+		func.global_get(vsp)
+	}
+	m.commit(func, true)
+
+	fref := m.new_global('__ref', true, .funcref_t, true, wasm.constexpr_ref_null(.funcref_t))
+	mut func1 := m.new_function('ref', [], [])
+	{
+		func1.ref_func('vsp')
+		func1.global_set(fref)
+	}
+	m.commit(func1, true)
+
+	gimport := m.new_global_import('env', '__import', .f64_t, false)
+	mut func2 := m.new_function('import', [], [.f64_t])
+	{
+		func2.global_get(gimport)
+	}
+	m.commit(func2, true)
+
+	validate(m.compile()) or { panic(err) }
+}