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Diffstat (limited to 'src/tests/common.c')
| -rw-r--r-- | src/tests/common.c | 136 |
1 files changed, 136 insertions, 0 deletions
diff --git a/src/tests/common.c b/src/tests/common.c new file mode 100644 index 0000000..849971e --- /dev/null +++ b/src/tests/common.c @@ -0,0 +1,136 @@ +#include "tests.h" + +static int irand() +{ + return rand() - RAND_MAX / 2; +} + +int main() +{ + pl_log log = pl_test_logger(); + pl_log_update(log, NULL); + pl_log_destroy(&log); + + // Test some misc helper functions + pl_rect2d rc2 = { + irand(), irand(), + irand(), irand(), + }; + + pl_rect3d rc3 = { + irand(), irand(), irand(), + irand(), irand(), irand(), + }; + + pl_rect2d_normalize(&rc2); + REQUIRE_CMP(rc2.x1, >=, rc2.x0, "d"); + REQUIRE_CMP(rc2.y1, >=, rc2.y0, "d"); + + pl_rect3d_normalize(&rc3); + REQUIRE_CMP(rc3.x1, >=, rc3.x0, "d"); + REQUIRE_CMP(rc3.y1, >=, rc3.y0, "d"); + REQUIRE_CMP(rc3.z1, >=, rc3.z0, "d"); + + pl_rect2df rc2f = { + RANDOM, RANDOM, + RANDOM, RANDOM, + }; + + pl_rect3df rc3f = { + RANDOM, RANDOM, RANDOM, + RANDOM, RANDOM, RANDOM, + }; + + pl_rect2df_normalize(&rc2f); + REQUIRE_CMP(rc2f.x1, >=, rc2f.x0, "f"); + REQUIRE_CMP(rc2f.y1, >=, rc2f.y0, "f"); + + pl_rect3df_normalize(&rc3f); + REQUIRE_CMP(rc3f.x1, >=, rc3f.x0, "f"); + REQUIRE_CMP(rc3f.y1, >=, rc3f.y0, "f"); + REQUIRE_CMP(rc3f.z1, >=, rc3f.z0, "f"); + + pl_rect2d rc2r = pl_rect2df_round(&rc2f); + pl_rect3d rc3r = pl_rect3df_round(&rc3f); + + REQUIRE_CMP(fabs(rc2r.x0 - rc2f.x0), <=, 0.5, "f"); + REQUIRE_CMP(fabs(rc2r.x1 - rc2f.x1), <=, 0.5, "f"); + REQUIRE_CMP(fabs(rc2r.y0 - rc2f.y0), <=, 0.5, "f"); + REQUIRE_CMP(fabs(rc2r.y1 - rc2f.y1), <=, 0.5, "f"); + + REQUIRE_CMP(fabs(rc3r.x0 - rc3f.x0), <=, 0.5, "f"); + REQUIRE_CMP(fabs(rc3r.x1 - rc3f.x1), <=, 0.5, "f"); + REQUIRE_CMP(fabs(rc3r.y0 - rc3f.y0), <=, 0.5, "f"); + REQUIRE_CMP(fabs(rc3r.y1 - rc3f.y1), <=, 0.5, "f"); + REQUIRE_CMP(fabs(rc3r.z0 - rc3f.z0), <=, 0.5, "f"); + REQUIRE_CMP(fabs(rc3r.z1 - rc3f.z1), <=, 0.5, "f"); + + pl_transform3x3 tr = { + .mat = {{ + { RANDOM, RANDOM, RANDOM }, + { RANDOM, RANDOM, RANDOM }, + { RANDOM, RANDOM, RANDOM }, + }}, + .c = { RANDOM, RANDOM, RANDOM }, + }; + + pl_transform3x3 tr2 = tr; + float scale = 1.0 + RANDOM; + pl_transform3x3_scale(&tr2, scale); + pl_transform3x3_invert(&tr2); + pl_transform3x3_invert(&tr2); + pl_transform3x3_scale(&tr2, 1.0 / scale); + + for (int i = 0; i < 3; i++) { + for (int j = 0; j < 3; j++) { + printf("%f %f\n", tr.mat.m[i][j], tr2.mat.m[i][j]); + REQUIRE_FEQ(tr.mat.m[i][j], tr2.mat.m[i][j], 1e-4); + } + REQUIRE_FEQ(tr.c[i], tr2.c[i], 1e-4); + } + + // Test aspect ratio code + const pl_rect2df rc1080p = {0, 0, 1920, 1080}; + const pl_rect2df rc43 = {0, 0, 1024, 768}; + pl_rect2df rc; + + REQUIRE_FEQ(pl_rect2df_aspect(&rc1080p), 16.0/9.0, 1e-8); + REQUIRE_FEQ(pl_rect2df_aspect(&rc43), 4.0/3.0, 1e-8); + +#define pl_rect2df_midx(rc) (((rc).x0 + (rc).x1) / 2.0) +#define pl_rect2df_midy(rc) (((rc).y0 + (rc).y1) / 2.0) + + for (float aspect = 0.2; aspect < 3.0; aspect += 0.4) { + for (float scan = 0.0; scan <= 1.0; scan += 0.5) { + rc = rc1080p; + pl_rect2df_aspect_set(&rc, aspect, scan); + printf("aspect %.2f, panscan %.1f: {%f %f} -> {%f %f}\n", + aspect, scan, rc.x0, rc.y0, rc.x1, rc.y1); + REQUIRE_FEQ(pl_rect2df_aspect(&rc), aspect, 1e-6); + REQUIRE_FEQ(pl_rect2df_midx(rc), pl_rect2df_midx(rc1080p), 1e-6); + REQUIRE_FEQ(pl_rect2df_midy(rc), pl_rect2df_midy(rc1080p), 1e-6); + } + } + + rc = rc1080p; + pl_rect2df_aspect_fit(&rc, &rc43, 0.0); + REQUIRE_FEQ(pl_rect2df_aspect(&rc), pl_rect2df_aspect(&rc43), 1e-6); + REQUIRE_FEQ(pl_rect2df_midx(rc), pl_rect2df_midx(rc1080p), 1e-6); + REQUIRE_FEQ(pl_rect2df_midy(rc), pl_rect2df_midy(rc1080p), 1e-6); + REQUIRE_FEQ(pl_rect_w(rc), pl_rect_w(rc43), 1e-6); + REQUIRE_FEQ(pl_rect_h(rc), pl_rect_h(rc43), 1e-6); + + rc = rc43; + pl_rect2df_aspect_fit(&rc, &rc1080p, 0.0); + REQUIRE_FEQ(pl_rect2df_aspect(&rc), pl_rect2df_aspect(&rc1080p), 1e-6); + REQUIRE_FEQ(pl_rect2df_midx(rc), pl_rect2df_midx(rc43), 1e-6); + REQUIRE_FEQ(pl_rect2df_midy(rc), pl_rect2df_midy(rc43), 1e-6); + REQUIRE_FEQ(pl_rect_w(rc), pl_rect_w(rc43), 1e-6); + + rc = (pl_rect2df) { 1920, 1080, 0, 0 }; + pl_rect2df_offset(&rc, 50, 100); + REQUIRE_FEQ(rc.x0, 1870, 1e-6); + REQUIRE_FEQ(rc.x1, -50, 1e-6); + REQUIRE_FEQ(rc.y0, 980, 1e-6); + REQUIRE_FEQ(rc.y1, -100, 1e-6); +} |