diff --git a/testdata/test.7z b/testdata/test.7z
index 640dfac..6aa1530 100644
Binary files a/testdata/test.7z and b/testdata/test.7z differ
diff --git a/testdata/test.rar b/testdata/test.rar
index 70e6354..08e313e 100644
Binary files a/testdata/test.rar and b/testdata/test.rar differ
diff --git a/testdata/test.zip b/testdata/test.zip
index 254c019..1e10a33 100644
Binary files a/testdata/test.zip and b/testdata/test.zip differ
diff --git a/unarr_test.go b/unarr_test.go
index a3514f4..8452373 100644
--- a/unarr_test.go
+++ b/unarr_test.go
@@ -4,6 +4,7 @@ import (
 	"io/ioutil"
 	"os"
 	"path/filepath"
+	"strings"
 	"testing"
 )
 
@@ -49,3 +50,129 @@ func TestExtract(t *testing.T) {
 		a.Close()
 	}
 }
+
+func TestExtractFromMemory(t *testing.T) {
+	tmpdir, err := ioutil.TempDir(os.TempDir(), "unarr")
+	if err != nil {
+		t.Error(err)
+	}
+
+	defer os.RemoveAll(tmpdir)
+
+	files := []string{"test.zip", "test.rar", "test.7z"}
+
+	for _, f := range files {
+		data, err := ioutil.ReadFile(filepath.Join("testdata", f))
+		if err != nil {
+			t.Error(err)
+		}
+
+		a, err := NewArchiveFromMemory(data)
+		if err != nil {
+			t.Error(err)
+		}
+
+		a.Extract(tmpdir)
+		a.Close()
+	}
+}
+
+func TestReadAll(t *testing.T) {
+	exts := []string{"zip", "rar", "7z"}
+
+	for _, e := range exts {
+		a, err := NewArchive(filepath.Join("testdata", "test."+e))
+		if err != nil {
+			t.Error(err)
+		}
+
+		err = a.Entry()
+		if err != nil {
+			t.Error(err)
+		}
+
+		data, err := a.ReadAll()
+		if err != nil {
+			t.Error(err)
+		}
+
+		if strings.TrimSpace(string(data)) != "unarr" {
+			t.Error("Invalid data")
+		}
+
+		a.Close()
+	}
+}
+
+func TestReadAllFromMemory(t *testing.T) {
+	exts := []string{"zip", "rar", "7z"}
+
+	for _, e := range exts {
+		m, err := ioutil.ReadFile(filepath.Join("testdata", "test."+e))
+		if err != nil {
+			t.Error(err)
+		}
+
+		a, err := NewArchiveFromMemory(m)
+		if err != nil {
+			t.Error(err)
+		}
+
+		err = a.Entry()
+		if err != nil {
+			t.Error(err)
+		}
+
+		data, err := a.ReadAll()
+		if err != nil {
+			t.Error(err)
+		}
+
+		if strings.TrimSpace(string(data)) != "unarr" {
+			t.Error("Invalid data")
+		}
+
+		a.Close()
+	}
+}
+
+func TestEntryFor(t *testing.T) {
+	exts := []string{"zip", "rar", "7z"}
+
+	for _, e := range exts {
+		a, err := NewArchive(filepath.Join("testdata", "test."+e))
+		if err != nil {
+			t.Error(err)
+		}
+
+		err = a.EntryFor(e)
+		if err != nil {
+			t.Error(err)
+		}
+
+		data, err := a.ReadAll()
+		if err != nil {
+			t.Error(err)
+		}
+
+		if strings.TrimSpace(string(data)) != "unarr" {
+			t.Error("Invalid data")
+		}
+
+		a.Close()
+	}
+}
+
+func TestList(t *testing.T) {
+	files := []string{"test.zip", "test.rar", "test.7z"}
+
+	for _, f := range files {
+		a, err := NewArchive(filepath.Join("testdata", f))
+		if err != nil {
+			t.Error(err)
+		}
+
+		a.List()
+		a.Close()
+	}
+}