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ccc35e2647
The device-mapper directory now holds a copy of libdm source. At the moment this code is identical to libdm. Over time code will migrate out to appropriate places (see doc/refactoring.txt). The libdm directory still exists, and contains the source for the libdevmapper shared library, which we will continue to ship (though not neccessarily update). All code using libdm should now use the version in device-mapper.
103 lines
3.3 KiB
C
103 lines
3.3 KiB
C
/*
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* Copyright (C) 2017 Red Hat, Inc. All rights reserved.
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*
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* This file is part of LVM2.
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*
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* This copyrighted material is made available to anyone wishing to use,
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* modify, copy, or redistribute it subject to the terms and conditions
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* of the GNU General Public License v.2.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "units.h"
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#include "device_mapper/libdevmapper.h"
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#include <stdio.h>
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#include <string.h>
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static void test_percent_100(void *fixture)
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{
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char buf[32];
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/* Check 100% is shown only for DM_PERCENT_100*/
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dm_percent_t p_100 = dm_make_percent(100, 100);
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dm_percent_t p1_100 = dm_make_percent(100000, 100000);
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dm_percent_t n_100 = dm_make_percent(999999, 1000000);
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T_ASSERT_EQUAL(p_100, DM_PERCENT_100);
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T_ASSERT_EQUAL(p1_100, DM_PERCENT_100);
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T_ASSERT_NOT_EQUAL(n_100, DM_PERCENT_100);
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dm_snprintf(buf, sizeof(buf), "%.2f", dm_percent_to_float(p_100));
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T_ASSERT_EQUAL(strcmp(buf, "100.00"), 0);
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dm_snprintf(buf, sizeof(buf), "%.2f", dm_percent_to_float(p1_100));
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T_ASSERT_EQUAL(strcmp(buf, "100.00"), 0);
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dm_snprintf(buf, sizeof(buf), "%.2f", dm_percent_to_float(n_100));
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T_ASSERT_NOT_EQUAL(strcmp(buf, "99.99"), 0); /* Would like to gett */
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dm_snprintf(buf, sizeof(buf), "%.2f", dm_percent_to_round_float(n_100, 2));
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T_ASSERT_EQUAL(strcmp(buf, "99.99"), 0);
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dm_snprintf(buf, sizeof(buf), "%.3f", dm_percent_to_round_float(n_100, 3));
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T_ASSERT_EQUAL(strcmp(buf, "99.999"), 0);
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dm_snprintf(buf, sizeof(buf), "%.4f", dm_percent_to_round_float(n_100, 4));
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T_ASSERT_EQUAL(strcmp(buf, "99.9999"), 0);
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dm_snprintf(buf, sizeof(buf), "%d", (int)dm_percent_to_round_float(n_100, 0));
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T_ASSERT_EQUAL(strcmp(buf, "99"), 0);
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}
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static void test_percent_0(void *fixture)
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{
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char buf[32];
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/* Check 0% is shown only for DM_PERCENT_0 */
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dm_percent_t p_0 = dm_make_percent(0, 100);
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dm_percent_t p1_0 = dm_make_percent(0, 100000);
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dm_percent_t n_0 = dm_make_percent(1, 1000000);
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T_ASSERT_EQUAL(p_0, DM_PERCENT_0);
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T_ASSERT_EQUAL(p1_0, DM_PERCENT_0);
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T_ASSERT_NOT_EQUAL(n_0, DM_PERCENT_0);
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dm_snprintf(buf, sizeof(buf), "%.2f", dm_percent_to_float(p_0));
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T_ASSERT_EQUAL(strcmp(buf, "0.00"), 0);
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dm_snprintf(buf, sizeof(buf), "%.2f", dm_percent_to_float(p1_0));
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T_ASSERT_EQUAL(strcmp(buf, "0.00"), 0);
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dm_snprintf(buf, sizeof(buf), "%.2f", dm_percent_to_float(n_0));
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T_ASSERT_NOT_EQUAL(strcmp(buf, "0.01"), 0);
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dm_snprintf(buf, sizeof(buf), "%.2f", dm_percent_to_round_float(n_0, 2));
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T_ASSERT_EQUAL(strcmp(buf, "0.01"), 0);
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dm_snprintf(buf, sizeof(buf), "%.3f", dm_percent_to_round_float(n_0, 3));
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T_ASSERT_EQUAL(strcmp(buf, "0.001"), 0);
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dm_snprintf(buf, sizeof(buf), "%d", (int)dm_percent_to_round_float(n_0, 0));
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T_ASSERT_EQUAL(strcmp(buf, "1"), 0);
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}
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#define T(path, desc, fn) register_test(ts, "/base/formatting/percent/" path, desc, fn)
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void percent_tests(struct dm_list *all_tests)
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{
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struct test_suite *ts = test_suite_create(NULL, NULL);
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if (!ts) {
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fprintf(stderr, "out of memory\n");
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exit(1);
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}
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T("100", "Pretty printing of percentages near 100%", test_percent_100);
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T("0", "Pretty printing of percentages near 0%", test_percent_0);
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dm_list_add(all_tests, &ts->list);
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}
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