Add std/bzip2 mimic tests and benches
diff --git a/test/c/mimiclib/bzip2.c b/test/c/mimiclib/bzip2.c
new file mode 100644
index 0000000..211fb0b
--- /dev/null
+++ b/test/c/mimiclib/bzip2.c
@@ -0,0 +1,44 @@
+// Copyright 2022 The Wuffs 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
+//
+// https://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 "bzlib.h"
+
+const char* //
+mimic_bzip2_decode(wuffs_base__io_buffer* dst,
+ wuffs_base__io_buffer* src,
+ uint32_t wuffs_initialize_flags,
+ uint64_t wlimit,
+ uint64_t rlimit) {
+ if (wuffs_base__io_buffer__writer_length(dst) > 0x7FFFFFFF) {
+ return "dst length is too large";
+ } else if (wuffs_base__io_buffer__reader_length(src) > 0x7FFFFFFF) {
+ return "src length is too large";
+ } else if ((wlimit < UINT64_MAX) || (rlimit < UINT64_MAX)) {
+ // Supporting this would probably mean using BZ2_bzDecompress instead of
+ // the simpler BZ2_bzBuffToBuffDecompress function.
+ return "unsupported I/O limit";
+ }
+ unsigned int dlen = wuffs_base__io_buffer__writer_length(dst);
+ unsigned int slen = wuffs_base__io_buffer__reader_length(src);
+ int err = BZ2_bzBuffToBuffDecompress(
+ ((char*)wuffs_base__io_buffer__writer_pointer(dst)), &dlen,
+ ((char*)wuffs_base__io_buffer__reader_pointer(src)), slen, 0, 0);
+ if (err != BZ_OK) {
+ return "libbz2: an error occurred";
+ } else if (dlen > wuffs_base__io_buffer__writer_length(dst)) {
+ return "libbz2: dst buffer overflow";
+ }
+ dst->meta.wi += dlen;
+ return NULL;
+}
diff --git a/test/c/std/bzip2.c b/test/c/std/bzip2.c
index 5de3bef..a772c44 100644
--- a/test/c/std/bzip2.c
+++ b/test/c/std/bzip2.c
@@ -37,7 +37,7 @@
"wuffs mimic cflags" to run the mimic benchmarks.
*/
-// ¿ wuffs mimic cflags: -DWUFFS_MIMIC -ldeflate -lz
+// ¿ wuffs mimic cflags: -DWUFFS_MIMIC -lbz2
// Wuffs ships as a "single file C library" or "header file library" as per
// https://github.com/nothings/stb/blob/master/docs/stb_howto.txt
@@ -64,7 +64,7 @@
#include "../../../release/c/wuffs-unsupported-snapshot.c"
#include "../testlib/testlib.c"
#ifdef WUFFS_MIMIC
-// No mimic library.
+#include "../mimiclib/bzip2.c"
#endif
// ---------------- Golden Tests
@@ -155,7 +155,26 @@
#ifdef WUFFS_MIMIC
-// No mimic tests.
+const char* //
+test_mimic_bzip2_decode_256_bytes() {
+ CHECK_FOCUS(__func__);
+ return do_test_io_buffers(mimic_bzip2_decode, &g_bzip2_256_bytes_gt,
+ UINT64_MAX, UINT64_MAX);
+}
+
+const char* //
+test_mimic_bzip2_decode_midsummer() {
+ CHECK_FOCUS(__func__);
+ return do_test_io_buffers(mimic_bzip2_decode, &g_bzip2_midsummer_gt,
+ UINT64_MAX, UINT64_MAX);
+}
+
+const char* //
+test_mimic_bzip2_decode_pi() {
+ CHECK_FOCUS(__func__);
+ return do_test_io_buffers(mimic_bzip2_decode, &g_bzip2_pi_gt, UINT64_MAX,
+ UINT64_MAX);
+}
#endif // WUFFS_MIMIC
@@ -167,7 +186,7 @@
return do_bench_io_buffers(
wuffs_bzip2_decode,
WUFFS_INITIALIZE__LEAVE_INTERNAL_BUFFERS_UNINITIALIZED, tcounter_dst,
- &g_bzip2_midsummer_gt, UINT64_MAX, UINT64_MAX, 300);
+ &g_bzip2_midsummer_gt, UINT64_MAX, UINT64_MAX, 20);
}
const char* //
@@ -176,14 +195,30 @@
return do_bench_io_buffers(
wuffs_bzip2_decode,
WUFFS_INITIALIZE__LEAVE_INTERNAL_BUFFERS_UNINITIALIZED, tcounter_dst,
- &g_bzip2_pi_gt, UINT64_MAX, UINT64_MAX, 30);
+ &g_bzip2_pi_gt, UINT64_MAX, UINT64_MAX, 2);
}
// ---------------- Mimic Benches
#ifdef WUFFS_MIMIC
-// No mimic benches.
+const char* //
+bench_mimic_bzip2_decode_10k() {
+ CHECK_FOCUS(__func__);
+ return do_bench_io_buffers(
+ mimic_bzip2_decode,
+ WUFFS_INITIALIZE__LEAVE_INTERNAL_BUFFERS_UNINITIALIZED, tcounter_dst,
+ &g_bzip2_midsummer_gt, UINT64_MAX, UINT64_MAX, 20);
+}
+
+const char* //
+bench_mimic_bzip2_decode_100k() {
+ CHECK_FOCUS(__func__);
+ return do_bench_io_buffers(
+ mimic_bzip2_decode,
+ WUFFS_INITIALIZE__LEAVE_INTERNAL_BUFFERS_UNINITIALIZED, tcounter_dst,
+ &g_bzip2_pi_gt, UINT64_MAX, UINT64_MAX, 2);
+}
#endif // WUFFS_MIMIC
@@ -198,7 +233,9 @@
#ifdef WUFFS_MIMIC
-// No mimic tests.
+ test_mimic_bzip2_decode_256_bytes,
+ test_mimic_bzip2_decode_midsummer,
+ test_mimic_bzip2_decode_pi,
#endif // WUFFS_MIMIC
@@ -212,7 +249,8 @@
#ifdef WUFFS_MIMIC
-// No mimic benches.
+ bench_mimic_bzip2_decode_10k,
+ bench_mimic_bzip2_decode_100k,
#endif // WUFFS_MIMIC
