Function TestWantConnQueue_dropFrontDone_NoneDone

internal/pool/want_conn_test.go:559–589

TestWantConnQueue_dropFrontDone_NoneDone tests dropFrontDone when no elements are done.

(t *testing.T)

// TestWantConnQueue_dropFrontDone_NoneDone tests dropFrontDone when no elements are done.
func TestWantConnQueue_dropFrontDone_NoneDone(t *testing.T) {
	q := newWantConnQueue()

	// Create 3 wantConn items, none marked as done
	for i := 0; i < 3; i++ {
		w := &wantConn{
			ctx:    context.Background(),
			done:   false, // Not done
			result: make(chan wantConnResult, 1),
		}
		q.enqueue(w)
	}

	// Verify initial queue length
	if q.len() != 3 {
		t.Errorf("initial queue length = %d, want 3", q.len())
	}

	// Call dropFrontDone
	count := q.discardDoneAtFront()

	// Verify no elements were removed
	if count != 0 {
		t.Errorf("dropFrontDone() = %d, want 0", count)
	}

	// Verify queue length unchanged
	if q.len() != 3 {
		t.Errorf("queue length after dropFrontDone = %d, want 3", q.len())
	}
}

// TestWantConnQueue_dropFrontDone_PartialDone tests dropFrontDone with mixed done/not-done elements.
// This is the core test case that verifies dropFrontDone stops at the first not-done element.