introduce first e2e test

e2e_test.go

@@ -0,0 +1,40 @@
+package main
+
+import (
+	"io"
+	"os"
+	"path/filepath"
+	"testing"
+)
+
+func TestE2E(t *testing.T) {
+	tests := []string{
+		"rv64ui-p-add",
+	}
+
+	for _, tc := range tests {
+		f, err := os.Open(filepath.Join("./tests/", tc))
+		if err != nil {
+			t.Fatalf("open file: %s, %s", tc, err)
+		}
+		defer f.Close()
+
+		buff, err := io.ReadAll(f)
+		if err != nil {
+			t.Fatalf("read file: %s, %s", tc, err)
+		}
+
+		emulator, err := New(buff)
+		if err != nil {
+			t.Fatalf("initialize RV: %s, %s", tc, err)
+		}
+
+		if emulator.tohost == 0 {
+			t.Fatalf("unexpected error: tohost is 0 but expected some address in the binary! %s", tc)
+		}
+
+		if err := emulator.Start(); err != nil {
+			t.Errorf("fail to run: %s, %s", tc, err)
+		}
+	}
+}