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Diffstat (limited to 'test/core/support/string_test.c')
| -rw-r--r-- | test/core/support/string_test.c | 158 |
1 files changed, 158 insertions, 0 deletions
diff --git a/test/core/support/string_test.c b/test/core/support/string_test.c new file mode 100644 index 0000000000..1e8039b1e8 --- /dev/null +++ b/test/core/support/string_test.c @@ -0,0 +1,158 @@ +/* + * + * Copyright 2014, 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 <grpc/support/string.h> + +#include <stddef.h> +#include <stdlib.h> +#include <string.h> + +#include <grpc/support/alloc.h> +#include <grpc/support/log.h> +#include <grpc/support/useful.h> +#include "test/core/util/test_config.h" + +#define LOG_TEST_NAME() gpr_log(GPR_INFO, "%s", __FUNCTION__) + +static void test_strdup() { + static const char *src1 = "hello world"; + char *dst1; + + LOG_TEST_NAME(); + + dst1 = gpr_strdup(src1); + GPR_ASSERT(0 == strcmp(src1, dst1)); + gpr_free(dst1); + + GPR_ASSERT(NULL == gpr_strdup(NULL)); +} + +static void expect_hexdump(const char *buf, size_t len, gpr_uint32 flags, + const char *result) { + char *got = gpr_hexdump(buf, len, flags); + GPR_ASSERT(0 == strcmp(got, result)); + gpr_free(got); +} + +static void test_hexdump() { + LOG_TEST_NAME(); + expect_hexdump("\x01", 1, 0, "01"); + expect_hexdump("\x01", 1, GPR_HEXDUMP_PLAINTEXT, "01 '.'"); + expect_hexdump("\x01\x02", 2, 0, "01 02"); + expect_hexdump("\x01\x23\x45\x67\x89\xab\xcd\xef", 8, 0, + "01 23 45 67 89 ab cd ef"); + expect_hexdump("ab", 2, GPR_HEXDUMP_PLAINTEXT, "61 62 'ab'"); +} + +static void test_pu32_fail(const char *s) { + gpr_uint32 out; + GPR_ASSERT(!gpr_parse_bytes_to_uint32(s, strlen(s), &out)); +} + +static void test_pu32_succeed(const char *s, gpr_uint32 want) { + gpr_uint32 out; + GPR_ASSERT(gpr_parse_bytes_to_uint32(s, strlen(s), &out)); + GPR_ASSERT(out == want); +} + +static void test_parse_uint32() { + LOG_TEST_NAME(); + + test_pu32_fail("-1"); + test_pu32_fail("a"); + test_pu32_fail(""); + test_pu32_succeed("0", 0); + test_pu32_succeed("1", 1); + test_pu32_succeed("2", 2); + test_pu32_succeed("3", 3); + test_pu32_succeed("4", 4); + test_pu32_succeed("5", 5); + test_pu32_succeed("6", 6); + test_pu32_succeed("7", 7); + test_pu32_succeed("8", 8); + test_pu32_succeed("9", 9); + test_pu32_succeed("10", 10); + test_pu32_succeed("11", 11); + test_pu32_succeed("12", 12); + test_pu32_succeed("13", 13); + test_pu32_succeed("14", 14); + test_pu32_succeed("15", 15); + test_pu32_succeed("16", 16); + test_pu32_succeed("17", 17); + test_pu32_succeed("18", 18); + test_pu32_succeed("19", 19); + test_pu32_succeed("1234567890", 1234567890); + test_pu32_succeed("4294967295", 4294967295u); + test_pu32_fail("4294967296"); + test_pu32_fail("4294967297"); + test_pu32_fail("4294967298"); + test_pu32_fail("4294967299"); +} + +static void test_asprintf() { + char *buf; + int i, j; + + LOG_TEST_NAME(); + + /* Print an empty string. */ + GPR_ASSERT(gpr_asprintf(&buf, "") == 0); + GPR_ASSERT(buf[0] == '\0'); + gpr_free(buf); + + /* Print an invalid format. */ + GPR_ASSERT(gpr_asprintf(&buf, "%") == -1); + GPR_ASSERT(buf == NULL); + + /* Print strings of various lengths. */ + for (i = 1; i < 100; i++) { + GPR_ASSERT(gpr_asprintf(&buf, "%0*d", i, 1) == i); + + /* The buffer should resemble "000001\0". */ + for (j = 0; j < i - 2; j++) { + GPR_ASSERT(buf[j] == '0'); + } + GPR_ASSERT(buf[i - 1] == '1'); + GPR_ASSERT(buf[i] == '\0'); + gpr_free(buf); + } +} + +int main(int argc, char **argv) { + grpc_test_init(argc, argv); + test_strdup(); + test_hexdump(); + test_parse_uint32(); + test_asprintf(); + return 0; +} |