Craig Tiller | 8ab91b2 | 2015-12-07 11:28:51 -0800 | [diff] [blame] | 1 | /* |
| 2 | * |
| 3 | * Copyright 2015, Google Inc. |
| 4 | * All rights reserved. |
| 5 | * |
| 6 | * Redistribution and use in source and binary forms, with or without |
| 7 | * modification, are permitted provided that the following conditions are |
| 8 | * met: |
| 9 | * |
| 10 | * * Redistributions of source code must retain the above copyright |
| 11 | * notice, this list of conditions and the following disclaimer. |
| 12 | * * Redistributions in binary form must reproduce the above |
| 13 | * copyright notice, this list of conditions and the following disclaimer |
| 14 | * in the documentation and/or other materials provided with the |
| 15 | * distribution. |
| 16 | * * Neither the name of Google Inc. nor the names of its |
| 17 | * contributors may be used to endorse or promote products derived from |
| 18 | * this software without specific prior written permission. |
| 19 | * |
| 20 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 21 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 22 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| 23 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| 24 | * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 25 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| 26 | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 27 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 28 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 29 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 30 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 31 | * |
| 32 | */ |
| 33 | |
| 34 | #include "src/core/transport/chttp2/varint.h" |
| 35 | |
| 36 | #include <grpc/support/log.h> |
| 37 | #include <grpc/support/slice.h> |
| 38 | |
| 39 | #include "test/core/util/test_config.h" |
| 40 | |
Craig Tiller | 5a640a4 | 2015-12-08 22:23:11 -0800 | [diff] [blame] | 41 | static void test_varint(gpr_uint32 value, gpr_uint32 prefix_bits, |
| 42 | gpr_uint8 prefix_or, const char *expect_bytes, |
| 43 | size_t expect_length) { |
Craig Tiller | 8ab91b2 | 2015-12-07 11:28:51 -0800 | [diff] [blame] | 44 | gpr_uint32 nbytes = GRPC_CHTTP2_VARINT_LENGTH(value, prefix_bits); |
| 45 | gpr_slice expect = gpr_slice_from_copied_buffer(expect_bytes, expect_length); |
| 46 | gpr_slice slice; |
| 47 | gpr_log(GPR_DEBUG, "Test: 0x%08x", value); |
| 48 | GPR_ASSERT(nbytes == expect_length); |
| 49 | slice = gpr_slice_malloc(nbytes); |
| 50 | GRPC_CHTTP2_WRITE_VARINT(value, prefix_bits, prefix_or, GPR_SLICE_START_PTR(slice), nbytes); |
| 51 | GPR_ASSERT(gpr_slice_cmp(expect, slice) == 0); |
| 52 | gpr_slice_unref(expect); |
| 53 | gpr_slice_unref(slice); |
| 54 | } |
| 55 | |
| 56 | #define TEST_VARINT(value, prefix_bits, prefix_or, expect) \ |
| 57 | test_varint(value, prefix_bits, prefix_or, expect, sizeof(expect)-1) |
| 58 | |
| 59 | int main(int argc, char **argv) { |
| 60 | grpc_test_init(argc, argv); |
| 61 | TEST_VARINT(0, 1, 0, "\x00"); |
| 62 | TEST_VARINT(128, 1, 0, "\x7f\x01"); |
| 63 | TEST_VARINT(16384, 1, 0, "\x7f\x81\x7f"); |
| 64 | TEST_VARINT(2097152, 1, 0, "\x7f\x81\xff\x7f"); |
| 65 | TEST_VARINT(268435456, 1, 0, "\x7f\x81\xff\xff\x7f"); |
| 66 | TEST_VARINT(0xffffffff, 1, 0, "\x7f\x80\xff\xff\xff\x0f"); |
| 67 | return 0; |
| 68 | } |