Added test for wat to wasm

go-owasm/api/lib_test.go

@@ -0,0 +1,41 @@
+package api
+
+import (
+	"fmt"
+	"io/ioutil"
+	"testing"
+
+	"github.com/stretchr/testify/require"
+)
+
+func readWatFile(fileName string) []byte {
+	code, err := ioutil.ReadFile(fmt.Sprintf("./../wasm/%s.wat", fileName))
+	if err != nil {
+		panic(err)
+	}
+	return code
+}
+
+func readWasmFile(fileName string) []byte {
+	code, err := ioutil.ReadFile(fmt.Sprintf("./../wasm/%s.wasm", fileName))
+	if err != nil {
+		panic(err)
+	}
+	return code
+}
+
+func TestSuccessWatToOwasm(t *testing.T) {
+	code := readWatFile("test")
+	wasm, err := WatToWasm(code)
+	require.NoError(t, err)
+
+	expectedWasm := readWasmFile("test")
+	require.Equal(t, expectedWasm, wasm)
+}
+
+func TestFailInvalidWatContent(t *testing.T) {
+	code := []byte("invalid wat content")
+	wasm, err := WatToWasm(code)
+	require.Equal(t, ErrParseFail, err)
+	require.Equal(t, []byte(""), wasm)
+}

go-owasm/wasm/test.wat

@@ -0,0 +1,26 @@
+(module
+  (type $t0 (func))
+  (type $t1 (func (param i64 i64 i64 i64)))
+  (import "env" "ask_external_data" (func $ask_external_data (type $t1)))
+  (func $prepare (export "prepare") (type $t0)
+    (local $l0 i64)
+    i64.const 1
+    i64.const 1
+    i32.const 1024
+    i64.extend_u/i32
+    tee_local $l0
+    i64.const 10
+    call $ask_external_data
+    i64.const 2
+    i64.const 3
+    get_local $l0
+    i64.const 10
+    call $ask_external_data
+    i64.const 4
+    i64.const 5
+    get_local $l0
+    i64.const 10
+    call $ask_external_data)
+  (table $T0 1 1 anyfunc)
+  (memory $memory (export "memory") 17)
+  (data (i32.const 1024) "helloworld"))