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tests: Factor out common calculations in test_basic_bits() test

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This decreases the overall test time from 0.17s to 0.12s for me, and
will help further in the following commit where I’m going to repeat some
of these calculations again for further comparisons.

Signed-off-by: Philip Withnall <pwithnall@endlessos.org>
This commit is contained in:
Philip Withnall 2021-12-02 09:59:46 +00:00
parent 17ffe7b303
commit d5e6793b83
1 changed files with 12 additions and 7 deletions
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19
glib/tests/utils.c
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@ -310,27 +310,32 @@ test_basic_bits (void)
/* we loop like this: 0, -1, 1, -2, 2, -3, 3, ... */ /* we loop like this: 0, -1, 1, -2, 2, -3, 3, ... */
for (i = 0; (glong) i < 1500; i = -(i + ((glong) i >= 0))) for (i = 0; (glong) i < 1500; i = -(i + ((glong) i >= 0)))
{ {
guint naive_bit_storage_i = naive_bit_storage (i);
#if TEST_BUILTINS #if TEST_BUILTINS
g_assert_cmpint (naive_bit_storage (i), ==, builtin_bit_storage (i)); g_assert_cmpint (naive_bit_storage_i, ==, builtin_bit_storage (i));
#endif #endif
g_assert_cmpint (naive_bit_storage (i), ==, g_bit_storage (i)); g_assert_cmpint (naive_bit_storage_i, ==, g_bit_storage (i));
for (nth_bit = -3; nth_bit <= 2 + GLIB_SIZEOF_LONG * 8; nth_bit++) for (nth_bit = -3; nth_bit <= 2 + GLIB_SIZEOF_LONG * 8; nth_bit++)
{ {
gint naive_bit_nth_lsf_i_nth_bit = naive_bit_nth_lsf (i, nth_bit);
gint naive_bit_nth_msf_i_nth_bit = naive_bit_nth_msf (i, nth_bit);
#if TEST_BUILTINS #if TEST_BUILTINS
g_assert_cmpint (naive_bit_nth_lsf (i, nth_bit), ==, g_assert_cmpint (naive_bit_nth_lsf_i_nth_bit, ==,
builtin_bit_nth_lsf1 (i, nth_bit)); builtin_bit_nth_lsf1 (i, nth_bit));
g_assert_cmpint (naive_bit_nth_lsf (i, nth_bit), ==, g_assert_cmpint (naive_bit_nth_lsf_i_nth_bit, ==,
builtin_bit_nth_lsf2 (i, nth_bit)); builtin_bit_nth_lsf2 (i, nth_bit));
#endif #endif
g_assert_cmpint (naive_bit_nth_lsf (i, nth_bit), ==, g_assert_cmpint (naive_bit_nth_lsf_i_nth_bit, ==,
g_bit_nth_lsf (i, nth_bit)); g_bit_nth_lsf (i, nth_bit));
#if TEST_BUILTINS #if TEST_BUILTINS
g_assert_cmpint (naive_bit_nth_msf (i, nth_bit), ==, g_assert_cmpint (naive_bit_nth_msf_i_nth_bit, ==,
builtin_bit_nth_msf (i, nth_bit)); builtin_bit_nth_msf (i, nth_bit));
#endif #endif
g_assert_cmpint (naive_bit_nth_msf (i, nth_bit), ==, g_assert_cmpint (naive_bit_nth_msf_i_nth_bit, ==,
g_bit_nth_msf (i, nth_bit)); g_bit_nth_msf (i, nth_bit));
} }
} }