diff options
Diffstat (limited to 'test/core/transport/chttp2/bin_decoder_test.cc')
| -rw-r--r-- | test/core/transport/chttp2/bin_decoder_test.cc | 143 |
1 files changed, 143 insertions, 0 deletions
diff --git a/test/core/transport/chttp2/bin_decoder_test.cc b/test/core/transport/chttp2/bin_decoder_test.cc new file mode 100644 index 0000000000..a29ec8a13f --- /dev/null +++ b/test/core/transport/chttp2/bin_decoder_test.cc @@ -0,0 +1,143 @@ +/* + * + * Copyright 2016 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/ext/transport/chttp2/transport/bin_decoder.h" + +#include <string.h> + +#include <grpc/support/alloc.h> +#include <grpc/support/log.h> +#include "src/core/ext/transport/chttp2/transport/bin_encoder.h" +#include "src/core/lib/slice/slice_internal.h" +#include "src/core/lib/slice/slice_string_helpers.h" +#include "src/core/lib/support/string.h" + +static int all_ok = 1; + +static void expect_slice_eq(grpc_exec_ctx* exec_ctx, grpc_slice expected, + grpc_slice slice, const char* debug, int line) { + if (!grpc_slice_eq(slice, expected)) { + char* hs = grpc_dump_slice(slice, GPR_DUMP_HEX | GPR_DUMP_ASCII); + char* he = grpc_dump_slice(expected, GPR_DUMP_HEX | GPR_DUMP_ASCII); + gpr_log(GPR_ERROR, "FAILED:%d: %s\ngot: %s\nwant: %s", line, debug, hs, + he); + gpr_free(hs); + gpr_free(he); + all_ok = 0; + } + grpc_slice_unref_internal(exec_ctx, expected); + grpc_slice_unref_internal(exec_ctx, slice); +} + +static grpc_slice base64_encode(grpc_exec_ctx* exec_ctx, const char* s) { + grpc_slice ss = grpc_slice_from_copied_string(s); + grpc_slice out = grpc_chttp2_base64_encode(ss); + grpc_slice_unref_internal(exec_ctx, ss); + return out; +} + +static grpc_slice base64_decode(grpc_exec_ctx* exec_ctx, const char* s) { + grpc_slice ss = grpc_slice_from_copied_string(s); + grpc_slice out = grpc_chttp2_base64_decode(exec_ctx, ss); + grpc_slice_unref_internal(exec_ctx, ss); + return out; +} + +static grpc_slice base64_decode_with_length(grpc_exec_ctx* exec_ctx, + const char* s, + size_t output_length) { + grpc_slice ss = grpc_slice_from_copied_string(s); + grpc_slice out = + grpc_chttp2_base64_decode_with_length(exec_ctx, ss, output_length); + grpc_slice_unref_internal(exec_ctx, ss); + return out; +} + +#define EXPECT_SLICE_EQ(exec_ctx, expected, slice) \ + expect_slice_eq( \ + exec_ctx, grpc_slice_from_copied_buffer(expected, sizeof(expected) - 1), \ + slice, #slice, __LINE__); + +#define ENCODE_AND_DECODE(exec_ctx, s) \ + EXPECT_SLICE_EQ(exec_ctx, s, \ + grpc_chttp2_base64_decode_with_length( \ + exec_ctx, base64_encode(exec_ctx, s), strlen(s))); + +int main(int argc, char** argv) { + grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT; + + /* ENCODE_AND_DECODE tests grpc_chttp2_base64_decode_with_length(), which + takes encoded base64 strings without pad chars, but output length is + required. */ + /* Base64 test vectors from RFC 4648 */ + ENCODE_AND_DECODE(&exec_ctx, ""); + ENCODE_AND_DECODE(&exec_ctx, "f"); + ENCODE_AND_DECODE(&exec_ctx, "foo"); + ENCODE_AND_DECODE(&exec_ctx, "fo"); + ENCODE_AND_DECODE(&exec_ctx, "foob"); + ENCODE_AND_DECODE(&exec_ctx, "fooba"); + ENCODE_AND_DECODE(&exec_ctx, "foobar"); + + ENCODE_AND_DECODE(&exec_ctx, "\xc0\xc1\xc2\xc3\xc4\xc5"); + + /* Base64 test vectors from RFC 4648, with pad chars */ + /* BASE64("") = "" */ + EXPECT_SLICE_EQ(&exec_ctx, "", base64_decode(&exec_ctx, "")); + /* BASE64("f") = "Zg==" */ + EXPECT_SLICE_EQ(&exec_ctx, "f", base64_decode(&exec_ctx, "Zg==")); + /* BASE64("fo") = "Zm8=" */ + EXPECT_SLICE_EQ(&exec_ctx, "fo", base64_decode(&exec_ctx, "Zm8=")); + /* BASE64("foo") = "Zm9v" */ + EXPECT_SLICE_EQ(&exec_ctx, "foo", base64_decode(&exec_ctx, "Zm9v")); + /* BASE64("foob") = "Zm9vYg==" */ + EXPECT_SLICE_EQ(&exec_ctx, "foob", base64_decode(&exec_ctx, "Zm9vYg==")); + /* BASE64("fooba") = "Zm9vYmE=" */ + EXPECT_SLICE_EQ(&exec_ctx, "fooba", base64_decode(&exec_ctx, "Zm9vYmE=")); + /* BASE64("foobar") = "Zm9vYmFy" */ + EXPECT_SLICE_EQ(&exec_ctx, "foobar", base64_decode(&exec_ctx, "Zm9vYmFy")); + + EXPECT_SLICE_EQ(&exec_ctx, "\xc0\xc1\xc2\xc3\xc4\xc5", + base64_decode(&exec_ctx, "wMHCw8TF")); + + // Test illegal input length in grpc_chttp2_base64_decode + EXPECT_SLICE_EQ(&exec_ctx, "", base64_decode(&exec_ctx, "a")); + EXPECT_SLICE_EQ(&exec_ctx, "", base64_decode(&exec_ctx, "ab")); + EXPECT_SLICE_EQ(&exec_ctx, "", base64_decode(&exec_ctx, "abc")); + + // Test illegal charactors in grpc_chttp2_base64_decode + EXPECT_SLICE_EQ(&exec_ctx, "", base64_decode(&exec_ctx, "Zm:v")); + EXPECT_SLICE_EQ(&exec_ctx, "", base64_decode(&exec_ctx, "Zm=v")); + + // Test output_length longer than max possible output length in + // grpc_chttp2_base64_decode_with_length + EXPECT_SLICE_EQ(&exec_ctx, "", base64_decode_with_length(&exec_ctx, "Zg", 2)); + EXPECT_SLICE_EQ(&exec_ctx, "", + base64_decode_with_length(&exec_ctx, "Zm8", 3)); + EXPECT_SLICE_EQ(&exec_ctx, "", + base64_decode_with_length(&exec_ctx, "Zm9v", 4)); + + // Test illegal charactors in grpc_chttp2_base64_decode_with_length + EXPECT_SLICE_EQ(&exec_ctx, "", + base64_decode_with_length(&exec_ctx, "Zm:v", 3)); + EXPECT_SLICE_EQ(&exec_ctx, "", + base64_decode_with_length(&exec_ctx, "Zm=v", 3)); + + grpc_exec_ctx_finish(&exec_ctx); + + return all_ok ? 0 : 1; +} |