| // |
| // |
| // Copyright 2015 gRPC authors. |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| // |
| // |
| |
| #include "src/core/util/string.h" |
| |
| #include <limits.h> |
| #include <stddef.h> |
| #include <string.h> |
| |
| #include "gtest/gtest.h" |
| |
| #include <grpc/support/alloc.h> |
| #include <grpc/support/string_util.h> |
| |
| #include "test/core/test_util/test_config.h" |
| |
| TEST(StringTest, Strdup) { |
| static const char* src1 = "hello world"; |
| char* dst1; |
| |
| dst1 = gpr_strdup(src1); |
| ASSERT_STREQ(src1, dst1); |
| gpr_free(dst1); |
| |
| ASSERT_EQ(nullptr, gpr_strdup(nullptr)); |
| } |
| |
| static void expect_dump(const char* buf, size_t len, uint32_t flags, |
| const char* result) { |
| char* got = gpr_dump(buf, len, flags); |
| ASSERT_STREQ(got, result); |
| gpr_free(got); |
| } |
| |
| TEST(StringTest, Dump) { |
| expect_dump("\x01", 1, GPR_DUMP_HEX, "01"); |
| expect_dump("\x01", 1, GPR_DUMP_HEX | GPR_DUMP_ASCII, "01 '.'"); |
| expect_dump("\x01\x02", 2, GPR_DUMP_HEX, "01 02"); |
| expect_dump("\x01\x23\x45\x67\x89\xab\xcd\xef", 8, GPR_DUMP_HEX, |
| "01 23 45 67 89 ab cd ef"); |
| expect_dump("ab", 2, GPR_DUMP_HEX | GPR_DUMP_ASCII, "61 62 'ab'"); |
| } |
| |
| static void test_pu32_fail(const char* s) { |
| uint32_t out; |
| ASSERT_FALSE(gpr_parse_bytes_to_uint32(s, strlen(s), &out)); |
| } |
| |
| static void test_pu32_succeed(const char* s, uint32_t want) { |
| uint32_t out; |
| ASSERT_TRUE(gpr_parse_bytes_to_uint32(s, strlen(s), &out)); |
| ASSERT_EQ(out, want); |
| } |
| |
| TEST(StringTest, ParseUint32) { |
| 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"); |
| } |
| |
| TEST(StringTest, Asprintf) { |
| char* buf; |
| int i, j; |
| |
| // Print an empty string. |
| ASSERT_EQ(gpr_asprintf(&buf, "%s", ""), 0); |
| ASSERT_EQ(buf[0], '\0'); |
| gpr_free(buf); |
| |
| // Print strings of various lengths. |
| for (i = 1; i < 100; i++) { |
| ASSERT_EQ(gpr_asprintf(&buf, "%0*d", i, 1), i); |
| |
| // The buffer should resemble "000001\0". |
| for (j = 0; j < i - 2; j++) { |
| ASSERT_EQ(buf[j], '0'); |
| } |
| ASSERT_EQ(buf[i - 1], '1'); |
| ASSERT_EQ(buf[i], '\0'); |
| gpr_free(buf); |
| } |
| } |
| |
| TEST(StringTest, Strjoin) { |
| const char* parts[4] = {"one", "two", "three", "four"}; |
| size_t joined_len; |
| char* joined; |
| |
| joined = gpr_strjoin(parts, 4, &joined_len); |
| ASSERT_STREQ("onetwothreefour", joined); |
| gpr_free(joined); |
| |
| joined = gpr_strjoin(parts, 0, &joined_len); |
| ASSERT_STREQ("", joined); |
| gpr_free(joined); |
| |
| joined = gpr_strjoin(parts, 1, &joined_len); |
| ASSERT_STREQ("one", joined); |
| gpr_free(joined); |
| } |
| |
| TEST(StringTest, StrjoinSep) { |
| const char* parts[4] = {"one", "two", "three", "four"}; |
| size_t joined_len; |
| char* joined; |
| |
| joined = gpr_strjoin_sep(parts, 4, ", ", &joined_len); |
| ASSERT_STREQ("one, two, three, four", joined); |
| gpr_free(joined); |
| |
| // empty separator |
| joined = gpr_strjoin_sep(parts, 4, "", &joined_len); |
| ASSERT_STREQ("onetwothreefour", joined); |
| gpr_free(joined); |
| |
| // degenerated case specifying zero input parts |
| joined = gpr_strjoin_sep(parts, 0, ", ", &joined_len); |
| ASSERT_STREQ("", joined); |
| gpr_free(joined); |
| |
| // single part should have no separator |
| joined = gpr_strjoin_sep(parts, 1, ", ", &joined_len); |
| ASSERT_STREQ("one", joined); |
| gpr_free(joined); |
| } |
| |
| TEST(StringTest, Ltoa) { |
| char* str; |
| char buf[GPR_LTOA_MIN_BUFSIZE]; |
| |
| // zero |
| ASSERT_EQ(1, gpr_ltoa(0, buf)); |
| ASSERT_STREQ("0", buf); |
| |
| // positive number |
| ASSERT_EQ(3, gpr_ltoa(123, buf)); |
| ASSERT_STREQ("123", buf); |
| |
| // negative number |
| ASSERT_EQ(6, gpr_ltoa(-12345, buf)); |
| ASSERT_STREQ("-12345", buf); |
| |
| // large negative - we don't know the size of long in advance |
| ASSERT_TRUE(gpr_asprintf(&str, "%lld", (long long)LONG_MIN)); |
| ASSERT_EQ(strlen(str), (size_t)gpr_ltoa(LONG_MIN, buf)); |
| ASSERT_STREQ(str, buf); |
| gpr_free(str); |
| } |
| |
| TEST(StringTest, Int64Toa) { |
| char buf[GPR_INT64TOA_MIN_BUFSIZE]; |
| |
| // zero |
| ASSERT_EQ(1, int64_ttoa(0, buf)); |
| ASSERT_STREQ("0", buf); |
| |
| // positive |
| ASSERT_EQ(3, int64_ttoa(123, buf)); |
| ASSERT_STREQ("123", buf); |
| |
| // large positive |
| ASSERT_EQ(19, int64_ttoa(9223372036854775807LL, buf)); |
| ASSERT_STREQ("9223372036854775807", buf); |
| |
| // large negative |
| ASSERT_EQ(20, int64_ttoa(-9223372036854775807LL - 1, buf)); |
| ASSERT_STREQ("-9223372036854775808", buf); |
| } |
| |
| TEST(StringTest, Leftpad) { |
| char* padded; |
| |
| padded = gpr_leftpad("foo", ' ', 5); |
| ASSERT_STREQ(" foo", padded); |
| gpr_free(padded); |
| |
| padded = gpr_leftpad("foo", ' ', 4); |
| ASSERT_STREQ(" foo", padded); |
| gpr_free(padded); |
| |
| padded = gpr_leftpad("foo", ' ', 3); |
| ASSERT_STREQ("foo", padded); |
| gpr_free(padded); |
| |
| padded = gpr_leftpad("foo", ' ', 2); |
| ASSERT_STREQ("foo", padded); |
| gpr_free(padded); |
| |
| padded = gpr_leftpad("foo", ' ', 1); |
| ASSERT_STREQ("foo", padded); |
| gpr_free(padded); |
| |
| padded = gpr_leftpad("foo", ' ', 0); |
| ASSERT_STREQ("foo", padded); |
| gpr_free(padded); |
| |
| padded = gpr_leftpad("foo", '0', 5); |
| ASSERT_STREQ("00foo", padded); |
| gpr_free(padded); |
| } |
| |
| TEST(StringTest, Stricmp) { |
| ASSERT_EQ(0, gpr_stricmp("hello", "hello")); |
| ASSERT_EQ(0, gpr_stricmp("HELLO", "hello")); |
| ASSERT_LT(gpr_stricmp("a", "b"), 0); |
| ASSERT_GT(gpr_stricmp("b", "a"), 0); |
| } |
| |
| TEST(StringTest, Memrchr) { |
| ASSERT_EQ(nullptr, gpr_memrchr(nullptr, 'a', 0)); |
| ASSERT_EQ(nullptr, gpr_memrchr("", 'a', 0)); |
| ASSERT_EQ(nullptr, gpr_memrchr("hello", 'b', 5)); |
| ASSERT_STREQ((const char*)gpr_memrchr("hello", 'h', 5), "hello"); |
| ASSERT_STREQ((const char*)gpr_memrchr("hello", 'o', 5), "o"); |
| ASSERT_STREQ((const char*)gpr_memrchr("hello", 'l', 5), "lo"); |
| } |
| |
| TEST(StringTest, ParseBoolValue) { |
| bool ret; |
| ASSERT_TRUE(true == gpr_parse_bool_value("truE", &ret) && true == ret); |
| ASSERT_TRUE(true == gpr_parse_bool_value("falsE", &ret) && false == ret); |
| ASSERT_TRUE(true == gpr_parse_bool_value("1", &ret) && true == ret); |
| ASSERT_TRUE(true == gpr_parse_bool_value("0", &ret) && false == ret); |
| ASSERT_TRUE(true == gpr_parse_bool_value("Yes", &ret) && true == ret); |
| ASSERT_TRUE(true == gpr_parse_bool_value("No", &ret) && false == ret); |
| ASSERT_TRUE(true == gpr_parse_bool_value("Y", &ret) && true == ret); |
| ASSERT_TRUE(true == gpr_parse_bool_value("N", &ret) && false == ret); |
| ASSERT_EQ(false, gpr_parse_bool_value(nullptr, &ret)); |
| ASSERT_EQ(false, gpr_parse_bool_value("", &ret)); |
| } |
| |
| int main(int argc, char** argv) { |
| grpc::testing::TestEnvironment env(&argc, argv); |
| ::testing::InitGoogleTest(&argc, argv); |
| return RUN_ALL_TESTS(); |
| } |