fix: breakpad use miniz

third_party/zlib-ng/test/test_deflate_hash_head_0.cc

@@ -0,0 +1,83 @@
+/* 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, -MAX_WBITS);
+    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);
+}