| /* Generated by fuzzing - test hash_head == 0 handling. */ |
| |
| #include "zbuild.h" |
| #ifdef ZLIB_COMPAT |
| # include "zlib.h" |
| #else |
| # include "zlib-ng.h" |
| #endif |
| |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <string.h> |
| |
| #include "test_shared.h" |
| |
| #include <gtest/gtest.h> |
| |
| TEST(deflate, hash_head_0) { |
| PREFIX3(stream) strm; |
| int err; |
| |
| memset(&strm, 0, sizeof(strm)); |
| err = PREFIX(deflateInit2)(&strm, 1, Z_DEFLATED, -15, 4, Z_HUFFMAN_ONLY); |
| EXPECT_EQ(err, Z_OK); |
| |
| unsigned char next_in[9698]; |
| memset(next_in, 0x30, sizeof(next_in)); |
| next_in[8193] = 0x00; |
| next_in[8194] = 0x00; |
| next_in[8195] = 0x00; |
| next_in[8199] = 0x8a; |
| strm.next_in = next_in; |
| unsigned char next_out[21572]; |
| strm.next_out = next_out; |
| |
| strm.avail_in = 0; |
| strm.avail_out = 1348; |
| err = PREFIX(deflateParams(&strm, 3, Z_FILTERED)); |
| EXPECT_EQ(err, Z_OK); |
| |
| strm.avail_in = 6728; |
| strm.avail_out = 2696; |
| err = PREFIX(deflate(&strm, Z_SYNC_FLUSH)); |
| EXPECT_EQ(err, Z_OK); |
| |
| strm.avail_in = 15; |
| strm.avail_out = 1348; |
| err = PREFIX(deflateParams(&strm, 9, Z_FILTERED)); |
| EXPECT_EQ(err, Z_OK); |
| |
| strm.avail_in = 1453; |
| strm.avail_out = 1348; |
| err = PREFIX(deflate(&strm, Z_FULL_FLUSH)); |
| EXPECT_EQ(err, Z_OK); |
| |
| strm.avail_in = (uint32_t)(next_in + sizeof(next_in) - strm.next_in); |
| strm.avail_out = (uint32_t)(next_out + sizeof(next_out) - strm.next_out); |
| err = PREFIX(deflate)(&strm, Z_FINISH); |
| EXPECT_EQ(err, Z_STREAM_END); |
| |
| uint32_t compressed_size = (uint32_t)(strm.next_out - next_out); |
| |
| err = PREFIX(deflateEnd)(&strm); |
| EXPECT_EQ(err, Z_OK); |
| |
| memset(&strm, 0, sizeof(strm)); |
| err = PREFIX(inflateInit2)(&strm, -15); |
| EXPECT_EQ(err, Z_OK); |
| |
| strm.next_in = next_out; |
| strm.avail_in = compressed_size; |
| unsigned char uncompressed[sizeof(next_in)]; |
| strm.next_out = uncompressed; |
| strm.avail_out = sizeof(uncompressed); |
| |
| err = PREFIX(inflate)(&strm, Z_NO_FLUSH); |
| EXPECT_EQ(err, Z_STREAM_END); |
| |
| err = PREFIX(inflateEnd)(&strm); |
| EXPECT_EQ(err, Z_OK); |
| |
| EXPECT_TRUE(memcmp(uncompressed, next_in, sizeof(uncompressed)) == 0); |
| } |