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tests/unix: Add coverage tests for mpz_set_from_float, mpz_mul_inpl.

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These new tests cover cases that can't be reached from Python and get
coverage of py/mpz.c to 100%.

These "unreachable from Python" pieces of code could be removed but they
form an integral part of the mpz C API and may be useful for non-Python
usage of mpz.
This commit is contained in:
Damien George 2018-02-25 23:43:16 +11:00
parent f75c7ad1a9
commit 62be14d77c
2 changed files with 39 additions and 0 deletions
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33
ports/unix/coverage.c
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@ -262,6 +262,39 @@ STATIC mp_obj_t extra_coverage(void) {
mpz_set_from_int(&mpz, 1);
mpz_shl_inpl(&mpz, &mpz, 70);
mp_printf(&mp_plat_print, "%d\n", mpz_as_uint_checked(&mpz, &value));
// mpz_set_from_float with inf as argument
mpz_set_from_float(&mpz, 1.0 / 0.0);
mpz_as_uint_checked(&mpz, &value);
mp_printf(&mp_plat_print, "%d\n", (int)value);
// mpz_set_from_float with 0 as argument
mpz_set_from_float(&mpz, 0);
mpz_as_uint_checked(&mpz, &value);
mp_printf(&mp_plat_print, "%d\n", (int)value);
// mpz_set_from_float with 0<x<1 as argument
mpz_set_from_float(&mpz, 1e-10);
mpz_as_uint_checked(&mpz, &value);
mp_printf(&mp_plat_print, "%d\n", (int)value);
// mpz_set_from_float with 1<=x<2 as argument
mpz_set_from_float(&mpz, 1.5);
mpz_as_uint_checked(&mpz, &value);
mp_printf(&mp_plat_print, "%d\n", (int)value);
// mpz_set_from_float with 2<x as argument
mpz_set_from_float(&mpz, 12345);
mpz_as_uint_checked(&mpz, &value);
mp_printf(&mp_plat_print, "%d\n", (int)value);
// mpz_mul_inpl with dest==rhs, lhs!=rhs
mpz_t mpz2;
mpz_set_from_int(&mpz, 2);
mpz_init_from_int(&mpz2, 3);
mpz_mul_inpl(&mpz, &mpz2, &mpz);
mpz_as_uint_checked(&mpz, &value);
mp_printf(&mp_plat_print, "%d\n", (int)value);
}
// runtime utils

6
tests/unix/extra_coverage.py.exp
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@ -41,6 +41,12 @@ data
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# runtime utils
TypeError: unsupported type for __abs__: 'str'
TypeError: unsupported types for __divmod__: 'str', 'str'