// during execution of the query.
func TestTxContextWait(t *testing.T) {
	testContextWait(t, false)
}

// TestTxContextWaitNoDiscard is the same as TestTxContextWait, but should not discard
// the final connection.
func TestTxContextWaitNoDiscard(t *testing.T) {
	testContextWait(t, true)
}

func testContextWait(t *testing.T, keepConnOnRollback bool) {
	db := newTestDB(t, "people")

	// defer inline frame expansion until the profile is reported.
	// The "maxSkip" term is for frame pointer unwinding, where we
	// want to end up with debug.profstackdebth frames but will discard
	// some "physical" frames to account for skipping.
	return make([]uintptr, 1+maxSkip+debug.profstackdepth)
}

// makeProfStack returns a buffer large enough to hold a maximum-sized stack
// trace.