Adding modding folder with a hacked build.

modding/hacked/ss1/resource/Resource_test.go

@@ -0,0 +1,54 @@
+package resource_test
+
+import (
+	"io/ioutil"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+
+	"github.com/inkyblackness/hacked/ss1/resource"
+)
+
+func verifyBlockContent(t *testing.T, provider resource.BlockProvider, index int, expected []byte) {
+	t.Helper()
+	reader, err := provider.Block(index)
+	assert.Nil(t, err, "No error expected for index %d", index)
+	assert.NotNil(t, reader, "Reader expected for index %d", index)
+	if reader != nil {
+		data, dataErr := ioutil.ReadAll(reader)
+		assert.Nil(t, dataErr, "No error expected reading data from index %d", index)
+		assert.Equal(t, expected, data, "Proper data expected from index %d", index)
+	}
+}
+
+func verifyBlockError(t *testing.T, provider resource.BlockProvider, index int) {
+	t.Helper()
+	_, err := provider.Block(index)
+	assert.NotNil(t, err, "Error expected for index %d", index)
+}
+
+func TestResourceRefersToBlockProviderByDefault(t *testing.T) {
+	res := &resource.Resource{Blocks: resource.BlocksFrom([][]byte{{0x01}, {0x02, 0x02}})}
+
+	assert.Equal(t, 2, res.BlockCount())
+	verifyBlockContent(t, res, 0, []byte{0x01})
+	verifyBlockContent(t, res, 1, []byte{0x02, 0x02})
+}
+
+func TestResourceBlockReturnsErrorOnInvalidIndex(t *testing.T) {
+	res := &resource.Resource{Blocks: resource.BlocksFrom(nil)}
+
+	verifyBlockError(t, res, -1)
+	verifyBlockError(t, res, 0)
+	verifyBlockError(t, res, 1)
+	verifyBlockError(t, res, 2)
+}
+
+func TestResourceBlockReturnsErrorForDefaultObject(t *testing.T) {
+	var res resource.Resource
+
+	assert.Equal(t, 0, res.BlockCount())
+	verifyBlockError(t, res, -1)
+	verifyBlockError(t, res, 0)
+	verifyBlockError(t, res, 1)
+}