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author | 2015-11-02 14:18:30 -0800 | |
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committer | 2015-11-02 14:18:30 -0800 | |
commit | 93b944785c9fe9b6fd0d1781027fb072fe818496 (patch) | |
tree | 2b7e3f4bb093ab39871ef809fa9131aa6a2102f7 /test/core/transport/chttp2/hpack_encoder_test.c | |
parent | c7e1a2a38d856762cab3e7dea9f59b4d651eec80 (diff) |
stream_op cleanup: test fixes and updates
Diffstat (limited to 'test/core/transport/chttp2/hpack_encoder_test.c')
-rw-r--r-- | test/core/transport/chttp2/hpack_encoder_test.c | 200 |
1 files changed, 200 insertions, 0 deletions
diff --git a/test/core/transport/chttp2/hpack_encoder_test.c b/test/core/transport/chttp2/hpack_encoder_test.c new file mode 100644 index 0000000000..6553e0da20 --- /dev/null +++ b/test/core/transport/chttp2/hpack_encoder_test.c @@ -0,0 +1,200 @@ +/* + * + * Copyright 2015, Google Inc. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following disclaimer + * in the documentation and/or other materials provided with the + * distribution. + * * Neither the name of Google Inc. nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + */ + +#include "src/core/transport/chttp2/hpack_encoder.h" + +#include <stdio.h> + +#include "src/core/support/string.h" +#include "src/core/transport/chttp2/hpack_parser.h" +#include <grpc/support/alloc.h> +#include <grpc/support/log.h> +#include <grpc/support/string_util.h> +#include "test/core/util/parse_hexstring.h" +#include "test/core/util/slice_splitter.h" +#include "test/core/util/test_config.h" + +#define TEST(x) run_test(x, #x) + +grpc_mdctx *g_mdctx; +grpc_chttp2_hpack_compressor g_compressor; +int g_failure = 0; + +void **to_delete = NULL; +size_t num_to_delete = 0; +size_t cap_to_delete = 0; + +/* verify that the output generated by encoding the stream matches the + hexstring passed in */ +static void verify(size_t window_available, int eof, size_t expect_window_used, + const char *expected, size_t nheaders, ...) { + gpr_slice_buffer output; + gpr_slice merged; + gpr_slice expect = parse_hexstring(expected); + size_t i; + va_list l; + grpc_linked_mdelem *e = gpr_malloc(sizeof(*e) * nheaders); + grpc_metadata_batch b; + + grpc_metadata_batch_init(&b); + + va_start(l, nheaders); + for (i = 0; i < nheaders; i++) { + char *key = va_arg(l, char *); + char *value = va_arg(l, char *); + if (i) { + e[i - 1].next = &e[i]; + e[i].prev = &e[i - 1]; + } + e[i].md = grpc_mdelem_from_strings(g_mdctx, key, value); + } + e[0].prev = NULL; + e[nheaders - 1].next = NULL; + va_end(l); + + b.list.head = &e[0]; + b.list.tail = &e[nheaders - 1]; + + if (cap_to_delete == num_to_delete) { + cap_to_delete = GPR_MAX(2 * cap_to_delete, 1000); + to_delete = gpr_realloc(to_delete, sizeof(*to_delete) * cap_to_delete); + } + to_delete[num_to_delete++] = e; + + gpr_slice_buffer_init(&output); + + grpc_chttp2_encode_header(&g_compressor, 0xdeadbeef, &b, eof, &output); + merged = grpc_slice_merge(output.slices, output.count); + gpr_slice_buffer_destroy(&output); + grpc_metadata_batch_destroy(&b); + + if (0 != gpr_slice_cmp(merged, expect)) { + char *expect_str = gpr_dump_slice(expect, GPR_DUMP_HEX | GPR_DUMP_ASCII); + char *got_str = gpr_dump_slice(merged, GPR_DUMP_HEX | GPR_DUMP_ASCII); + gpr_log(GPR_ERROR, "mismatched output for %s", expected); + gpr_log(GPR_ERROR, "EXPECT: %s", expect_str); + gpr_log(GPR_ERROR, "GOT: %s", got_str); + gpr_free(expect_str); + gpr_free(got_str); + g_failure = 1; + } + + gpr_slice_unref(merged); + gpr_slice_unref(expect); +} + +static void test_basic_headers(void) { + int i; + + verify(0, 0, 0, "000005 0104 deadbeef 40 0161 0161", 1, "a", "a"); + verify(0, 0, 0, "000001 0104 deadbeef be", 1, "a", "a"); + verify(0, 0, 0, "000001 0104 deadbeef be", 1, "a", "a"); + verify(0, 0, 0, "000006 0104 deadbeef be 40 0162 0163", 2, "a", "a", "b", + "c"); + verify(0, 0, 0, "000002 0104 deadbeef bf be", 2, "a", "a", "b", "c"); + verify(0, 0, 0, "000004 0104 deadbeef 7f 00 0164", 1, "a", "d"); + + /* flush out what's there to make a few values look very popular */ + for (i = 0; i < 350; i++) { + verify(0, 0, 0, "000003 0104 deadbeef c0 bf be", 3, "a", "a", "b", "c", "a", + "d"); + } + + verify(0, 0, 0, "000006 0104 deadbeef c0 00 016b 0176", 2, "a", "a", "k", + "v"); + /* this could be 000004 0104 deadbeef 0f 30 0176 also */ + verify(0, 0, 0, "000004 0104 deadbeef 0f 2f 0176", 1, "a", "v"); +} + +static void encode_int_to_str(int i, char *p) { + p[0] = (char)('a' + i % 26); + i /= 26; + GPR_ASSERT(i < 26); + p[1] = (char)('a' + i); + p[2] = 0; +} + +static void test_decode_table_overflow(void) { + int i; + char key[3], value[3]; + char *expect; + + for (i = 0; i < 114; i++) { + encode_int_to_str(i, key); + encode_int_to_str(i + 1, value); + + if (i + 61 >= 127) { + gpr_asprintf(&expect, + "000009 0104 deadbeef ff%02x 40 02%02x%02x 02%02x%02x", + i + 61 - 127, key[0], key[1], value[0], value[1]); + } else if (i > 0) { + gpr_asprintf(&expect, + "000008 0104 deadbeef %02x 40 02%02x%02x 02%02x%02x", + 0x80 + 61 + i, key[0], key[1], value[0], value[1]); + } else { + gpr_asprintf(&expect, "000007 0104 deadbeef 40 02%02x%02x 02%02x%02x", + key[0], key[1], value[0], value[1]); + } + + if (i > 0) { + verify(0, 0, 0, expect, 2, "aa", "ba", key, value); + } else { + verify(0, 0, 0, expect, 1, key, value); + } + gpr_free(expect); + } + + /* if the above passes, then we must have just knocked this pair out of the + decoder stack, and so we'll be forced to re-encode it */ + verify(0, 0, 0, "000007 0104 deadbeef 40 026161 026261", 1, "aa", "ba"); +} + +static void run_test(void (*test)(), const char *name) { + gpr_log(GPR_INFO, "RUN TEST: %s", name); + g_mdctx = grpc_mdctx_create_with_seed(0); + grpc_chttp2_hpack_compressor_init(&g_compressor, g_mdctx); + test(); + grpc_chttp2_hpack_compressor_destroy(&g_compressor); + grpc_mdctx_unref(g_mdctx); +} + +int main(int argc, char **argv) { + size_t i; + grpc_test_init(argc, argv); + TEST(test_basic_headers); + TEST(test_decode_table_overflow); + for (i = 0; i < num_to_delete; i++) { + gpr_free(to_delete[i]); + } + return g_failure; +} |