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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /nsprpub/pr/tests/pushtop.c | |
parent | Initial commit. (diff) | |
download | firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip |
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | nsprpub/pr/tests/pushtop.c | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/nsprpub/pr/tests/pushtop.c b/nsprpub/pr/tests/pushtop.c new file mode 100644 index 0000000000..621a7c7248 --- /dev/null +++ b/nsprpub/pr/tests/pushtop.c @@ -0,0 +1,73 @@ +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +/* A regression test for bug 794316 */ + +#include <stdio.h> +#include <stdlib.h> + +#include "prio.h" + +static PRIOMethods dummyMethods; + +int main() +{ + PRDescIdentity topId, middleId, bottomId; + PRFileDesc *top, *middle, *bottom; + PRFileDesc *fd; + + topId = PR_GetUniqueIdentity("top"); + middleId = PR_GetUniqueIdentity("middle"); + bottomId = PR_GetUniqueIdentity("bottom"); + + top = PR_CreateIOLayerStub(topId, &dummyMethods); + middle = PR_CreateIOLayerStub(middleId, &dummyMethods); + bottom = PR_CreateIOLayerStub(bottomId, &dummyMethods); + + fd = bottom; + PR_PushIOLayer(fd, PR_TOP_IO_LAYER, middle); + PR_PushIOLayer(fd, PR_TOP_IO_LAYER, top); + + top = fd; + middle = top->lower; + bottom = middle->lower; + + /* Verify that the higher pointers are correct. */ + if (middle->higher != top) { + fprintf(stderr, "middle->higher is wrong\n"); + fprintf(stderr, "FAILED\n"); + exit(1); + } + if (bottom->higher != middle) { + fprintf(stderr, "bottom->higher is wrong\n"); + fprintf(stderr, "FAILED\n"); + exit(1); + } + + top = PR_PopIOLayer(fd, topId); + top->dtor(top); + + middle = fd; + bottom = middle->lower; + + /* Verify that the higher pointer is correct. */ + if (bottom->higher != middle) { + fprintf(stderr, "bottom->higher is wrong\n"); + fprintf(stderr, "FAILED\n"); + exit(1); + } + + middle = PR_PopIOLayer(fd, middleId); + middle->dtor(middle); + if (fd->identity != bottomId) { + fprintf(stderr, "The bottom layer has the wrong identity\n"); + fprintf(stderr, "FAILED\n"); + exit(1); + } + fd->dtor(fd); + + printf("PASS\n"); + return 0; +} |