audio/internal/convert: better tests

audio/internal/convert/float32_test.go

@@ -35,27 +35,35 @@ func randInt16s(n int) []int16 {
 
 func TestFloat32(t *testing.T) {
 	cases := []struct {
+		Name                string
 		In                  []int16
 		SkipOnBrowserReason string
 	}{
 		{
+			Name: "empty",
 			In:   nil,
 		},
 		{
+			Name: "-1, 0, 1",
 			In:   []int16{-32768, 0, 32767},
 		},
 		{
+			Name: "8 0s",
 			In:   []int16{0, 0, 0, 0, 0, 0, 0, 0},
 		},
 		{
+			Name: "random 256 values",
 			In:   randInt16s(256),
 		},
 		{
+			Name:                "random 65536 values",
 			In:                  randInt16s(65536),
 			SkipOnBrowserReason: "entropy is not enough on browser to generate random numbers",
 		},
 	}
 	for _, c := range cases {
+		c := c
+		t.Run(c.Name, func(t *testing.T) {
 			if runtime.GOOS == "js" && c.SkipOnBrowserReason != "" {
 				t.Skip(c.SkipOnBrowserReason)
 			}
@@ -86,5 +94,6 @@ func TestFloat32(t *testing.T) {
 			if !bytes.Equal(got, want) {
 				t.Errorf("got: %v, want: %v", got, want)
 			}
+		})
 	}
 }