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fpi-print: Add function to check if two prints match

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While for raw prints this is just an equality check, for NBIS prints
they match if at least one of the minutiae match
This commit is contained in:
Marco Trevisan (Treviño)
2026-07-12 13:16:33 +02:00
parent 3ac3c7b082
commit b4d78e7c0f
3 changed files with 245 additions and 0 deletions
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tests/test-fpi-device.c
+176
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@@ -3907,6 +3907,170 @@ test_fp_print_equal_different_types (void)
g_assert_false (fp_print_equal (print_b, print_a));
}
static void
test_fpi_print_match_same (void)
{
g_autoptr(FpDevice) device = g_object_new (FPI_TYPE_DEVICE_FAKE, NULL);
g_autoptr(FpPrint) print_a = NULL;
g_autoptr(FpPrint) print_b = NULL;
print_a = make_fake_print (device, g_variant_new_string ("test"));
print_b = make_fake_print (device, g_variant_new_string ("test"));
g_assert_true (fpi_print_match (print_a, print_b));
g_assert_true (fpi_print_match (print_a, print_a));
g_assert_true (fpi_print_match (print_b, print_b));
}
static void
test_fpi_print_match_different (void)
{
g_autoptr(FpDevice) device = g_object_new (FPI_TYPE_DEVICE_FAKE, NULL);
g_autoptr(FpPrint) print_a = NULL;
g_autoptr(FpPrint) print_b = NULL;
print_a = make_fake_print (device, g_variant_new_string ("test"));
print_b = make_fake_print (device, g_variant_new_string ("other"));
g_assert_false (fpi_print_match (print_a, print_b));
}
static void
test_fpi_print_match_nbis_empty (void)
{
g_autoptr(FpDevice) device = g_object_new (FPI_TYPE_DEVICE_FAKE, NULL);
g_autoptr(FpPrint) print_a = NULL;
g_autoptr(FpPrint) print_b = NULL;
print_a = make_fake_nbis_print (device);
print_b = make_fake_nbis_print (device);
g_assert_true (fpi_print_match (print_a, print_b));
g_assert_true (fpi_print_match (print_a, print_a));
g_assert_true (fpi_print_match (print_b, print_b));
}
static void
test_fpi_print_match_nbis_one_empty (void)
{
g_autoptr(FpDevice) device = g_object_new (FPI_TYPE_DEVICE_FAKE, NULL);
g_autoptr(FpPrint) print_a = NULL;
g_autoptr(FpPrint) print_b = NULL;
gint xvals[] = { 10, 20 };
gint yvals[] = { 30, 40 };
gint tvals[] = { 50, 60 };
print_a = make_fake_nbis_print_filled (device, xvals, yvals, tvals, 2, 1);
print_b = make_fake_nbis_print (device);
g_assert_false (fpi_print_match (print_a, print_b));
g_assert_false (fpi_print_match (print_b, print_a));
}
static void
test_fpi_print_match_nbis_equal (void)
{
g_autoptr(FpDevice) device = g_object_new (FPI_TYPE_DEVICE_FAKE, NULL);
g_autoptr(FpPrint) print_a = NULL;
g_autoptr(FpPrint) print_b = NULL;
gint xvals[] = { 10, 20 };
gint yvals[] = { 30, 40 };
gint tvals[] = { 50, 60 };
print_a = make_fake_nbis_print_filled (device, xvals, yvals, tvals, 2, 1);
print_b = make_fake_nbis_print_filled (device, xvals, yvals, tvals, 2, 1);
g_assert_true (fpi_print_match (print_a, print_b));
}
static void
test_fpi_print_match_nbis_different (void)
{
g_autoptr(FpDevice) device = g_object_new (FPI_TYPE_DEVICE_FAKE, NULL);
g_autoptr(FpPrint) print_a = NULL;
g_autoptr(FpPrint) print_b = NULL;
gint xvals_a[] = { 10, 20 };
gint yvals_a[] = { 30, 40 };
gint tvals_a[] = { 50, 60 };
gint xvals_b[] = { 99, 88 };
gint yvals_b[] = { 77, 66 };
gint tvals_b[] = { 55, 44 };
print_a = make_fake_nbis_print_filled (device, xvals_a, yvals_a, tvals_a, 2, 1);
print_b = make_fake_nbis_print_filled (device, xvals_b, yvals_b, tvals_b, 2, 1);
g_assert_false (fpi_print_match (print_a, print_b));
}
static void
test_fpi_print_match_nbis_template_scanned (void)
{
g_autoptr(FpDevice) device = g_object_new (FPI_TYPE_DEVICE_FAKE, NULL);
gint xvals[] = { 10, 20 };
gint yvals[] = { 30, 40 };
gint tvals[] = { 50, 60 };
g_autoptr(FpPrint) template = NULL;
g_autoptr(FpPrint) scanned = NULL;
template = make_fake_nbis_print_filled (device, xvals, yvals, tvals, 2, 5);
scanned = make_fake_nbis_print_filled (device, xvals, yvals, tvals, 2, 1);
g_assert_true (fpi_print_match (template, scanned));
g_assert_true (fpi_print_match (scanned, template));
}
static void
test_fpi_print_match_nbis_template_scanned_no_match (void)
{
g_autoptr(FpDevice) device = g_object_new (FPI_TYPE_DEVICE_FAKE, NULL);
gint xvals_t[] = { 10, 20 };
gint yvals_t[] = { 30, 40 };
gint tvals_t[] = { 50, 60 };
gint xvals_s[] = { 99, 88 };
gint yvals_s[] = { 77, 66 };
gint tvals_s[] = { 55, 44 };
g_autoptr(FpPrint) template = NULL;
g_autoptr(FpPrint) scanned = NULL;
template = make_fake_nbis_print_filled (device, xvals_t, yvals_t, tvals_t, 2, 5);
scanned = make_fake_nbis_print_filled (device, xvals_s, yvals_s, tvals_s, 2, 1);
g_assert_false (fpi_print_match (template, scanned));
g_assert_false (fpi_print_match (scanned, template));
}
static void
test_fpi_print_match_nbis_match_any_position (void)
{
g_autoptr(FpDevice) device = g_object_new (FPI_TYPE_DEVICE_FAKE, NULL);
g_autoptr(FpPrint) print_a = NULL;
g_autoptr(FpPrint) print_b = NULL;
gint xvals_a[] = { 10, 20 };
gint yvals_a[] = { 30, 40 };
gint tvals_a[] = { 50, 60 };
gint xvals_b[] = { 99, 88 };
gint yvals_b[] = { 77, 66 };
gint tvals_b[] = { 55, 44 };
gint xvals_match[] = { 10, 20 };
gint yvals_match[] = { 30, 40 };
gint tvals_match[] = { 50, 60 };
struct xyt_struct *xyt_match = g_new0 (struct xyt_struct, 1);
print_a = make_fake_nbis_print_filled (device, xvals_a, yvals_a, tvals_a, 2, 1);
print_b = make_fake_nbis_print_filled (device, xvals_b, yvals_b, tvals_b, 2, 1);
xyt_match->nrows = 2;
xyt_match->xcol[0] = xvals_match[0];
xyt_match->ycol[0] = yvals_match[0];
xyt_match->thetacol[0] = tvals_match[0];
xyt_match->xcol[1] = xvals_match[1];
xyt_match->ycol[1] = yvals_match[1];
xyt_match->thetacol[1] = tvals_match[1];
g_ptr_array_add (print_b->prints, xyt_match);
g_assert_true (fpi_print_match (print_a, print_b));
}
int
main (int argc, char *argv[])
{
@@ -4041,5 +4205,17 @@ main (int argc, char *argv[])
g_test_add_func ("/print/equal/different_types",
test_fp_print_equal_different_types);
g_test_add_func ("/print/match/same", test_fpi_print_match_same);
g_test_add_func ("/print/match/different", test_fpi_print_match_different);
g_test_add_func ("/print/match/nbis_empty", test_fpi_print_match_nbis_empty);
g_test_add_func ("/print/match/nbis_one_empty", test_fpi_print_match_nbis_one_empty);
g_test_add_func ("/print/match/nbis_equal", test_fpi_print_match_nbis_equal);
g_test_add_func ("/print/match/nbis_different", test_fpi_print_match_nbis_different);
g_test_add_func ("/print/match/nbis_template_scanned", test_fpi_print_match_nbis_template_scanned);
g_test_add_func ("/print/match/nbis_template_scanned_no_match",
test_fpi_print_match_nbis_template_scanned_no_match);
g_test_add_func ("/print/match/nbis_match_any_position",
test_fpi_print_match_nbis_match_any_position);
return g_test_run ();
}