Add config, interfaces, endpoints, etc

usb/usb_test.go

@@ -10,24 +10,18 @@ import (
 func TestNoop(t *testing.T) {
 	c := NewContext()
 	defer c.Close()
-	c.Debug(3)
+	c.Debug(0)
 }
 
 func TestEnum(t *testing.T) {
 	c := NewContext()
 	defer c.Close()
-	c.Debug(3)
+	c.Debug(0)
 
+	cnt := 0
 	devs, err := c.ListDevices(func(bus, addr int, desc *Descriptor) bool {
-		t.Logf("%03d:%03d %+v", bus, addr, desc)
-		if v, ok := usbid.Vendors[desc.Vendor]; ok {
-			if p, ok := v.Devices[desc.Product]; ok {
-				t.Logf(" - %s (%s) %s (%s)", v, desc.Vendor, p, desc.Product)
-			} else {
-				t.Logf(" - %s (%s) Unknown", v, desc.Vendor)
-			}
-		}
-		return false
+		cnt++
+		return true
 	})
 	defer func() {
 		for _, d := range devs {
@@ -37,4 +31,51 @@ func TestEnum(t *testing.T) {
 	if err != nil {
 		t.Fatalf("list: %s", err)
 	}
+
+	if got, want := len(devs), cnt; got != want {
+		t.Errorf("len(devs) = %d, want %d", got, want)
+	}
+
+	for _, dev := range devs {
+		desc, err := dev.Descriptor()
+		if err != nil {
+			t.Errorf("desc: %s", err)
+			continue
+		}
+		bus := dev.BusNumber()
+		addr := dev.Address()
+
+		t.Logf("%03d:%03d %+v", bus, addr, desc)
+		if v, ok := usbid.Vendors[desc.Vendor]; ok {
+			if p, ok := v.Devices[desc.Product]; ok {
+				t.Logf(" - %s (%s) %s (%s)", v, desc.Vendor, p, desc.Product)
+			} else {
+				t.Logf(" - %s (%s) Unknown", v, desc.Vendor)
+			}
+		}
+
+		cfgs, err := dev.Configurations()
+		defer func() {
+			for _, cfg := range cfgs {
+				cfg.Close()
+			}
+		}()
+		if err != nil {
+			t.Errorf("   - configs: %s", err)
+			continue
+		}
+
+		for _, cfg := range cfgs {
+			t.Logf("   - %#v", cfg)
+			for _, alt := range cfg.Interfaces {
+				for _, iface := range alt {
+					t.Logf("     - %#v", iface)
+					for _, end := range iface.Endpoints {
+						t.Logf("       - %#v", end)
+					}
+				}
+				t.Logf("     -----")
+			}
+		}
+	}
 }