t / t4050-diff-histogram.shon commit tests: use 'test_must_be_empty' instead of '! test -s' (ec10b01)
   1#!/bin/sh
   2
   3test_description='histogram diff algorithm'
   4
   5. ./test-lib.sh
   6. "$TEST_DIRECTORY"/lib-diff-alternative.sh
   7
   8test_diff_frobnitz "histogram"
   9
  10test_diff_unique "histogram"
  11
  12test_done