diff options
Diffstat (limited to 'test.c')
| -rw-r--r-- | test.c | 6 |
1 files changed, 6 insertions, 0 deletions
@@ -21,6 +21,8 @@ #define BOTTOM_COVERED 0x2 #define LEFT_COVERED 0x4 #define RIGHT_COVERED 0x8 +#define VERT_COVERED 0x3 +#define HORZ_COVERED 0xC #define MIN(A, B) ((A) < (B) ? (A) : (B)) #define MAX(A, B) ((A) > (B) ? (A) : (B)) @@ -167,6 +169,8 @@ cb_new_stop(size_t y, size_t x, void *user_data) coverage |= (i != MAX(x, x0)) * RIGHT_COVERED; EXPECT(!(ctx->edges[y * EXT_WIDTH + i] & coverage)); ctx->edges[y * EXT_WIDTH + i] |= coverage; + if (coverage == HORZ_COVERED) + EXPECT((ctx->edges[y * EXT_WIDTH + i] & VERT_COVERED) != VERT_COVERED); } } else { for (i = MIN(y, y0), n = MAX(y, y0);; i++) { @@ -174,6 +178,8 @@ cb_new_stop(size_t y, size_t x, void *user_data) coverage |= (i != MAX(y, y0)) * BOTTOM_COVERED; EXPECT(!(ctx->edges[i * EXT_WIDTH + x] & coverage)); ctx->edges[i * EXT_WIDTH + x] |= coverage; + if (coverage == VERT_COVERED) + EXPECT((ctx->edges[i * EXT_WIDTH + x] & HORZ_COVERED) != HORZ_COVERED); if (i == n) break; flip_row_right(ctx->out, i, x); |