Test Reader not required to be comparable

open-telemetry · Oct 21, 2022 · 8dc3789 · 8dc3789
1 parent bc8288a
commit 8dc3789
Showing 1 changed file with 12 additions and 0 deletions.
diff --git a/sdk/metric/reader_test.go b/sdk/metric/reader_test.go
@@ -236,3 +236,15 @@ func TestDefaultTemporalitySelector(t *testing.T) {
 		assert.Equal(t, metricdata.CumulativeTemporality, DefaultTemporalitySelector(ik))
 	}
 }
+
+type notComparable [0]func() // nolint:unused  // non-comparable type itself is used.
+
+type noCompareReader struct {
+	notComparable // nolint:unused  // non-comparable type itself is used.
+	Reader
+}
+
+func TestReadersNotRequiredToBeComparable(t *testing.T) {
+	r := noCompareReader{Reader: NewManualReader()}
+	assert.NotPanics(t, func() { _ = NewMeterProvider(WithReader(r)) })
+}