mirror of
https://github.com/google/sandboxed-api.git
synced 2024-03-22 13:11:30 +08:00
136 lines
5.0 KiB
C++
136 lines
5.0 KiB
C++
// Copyright 2020 Google LLC
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include <array>
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#include <vector>
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#include "check_tag.h"
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#include "tiffio.h"
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/* sapi functions:
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* TIFFWriteScanline
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* TIFFOpen
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* TIFFClose
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* TIFFGetField (from check_tag.c)
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* TIFFSetField
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*/
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struct LongTag {
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ttag_t tag;
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short count;
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unsigned value;
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};
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const std::vector<LongTag> long_tags = {
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{TIFFTAG_SUBFILETYPE, 1,
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FILETYPE_REDUCEDIMAGE | FILETYPE_PAGE | FILETYPE_MASK}};
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#define SPP 3 // kSamplePerPixel
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static const unsigned kWidth = 1;
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static const unsigned kLength = 1;
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static const unsigned kBps = 8;
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static const unsigned kRowsPerStrip = 1;
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TEST(SandboxTest, LongTag) {
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sapi::StatusOr<std::string> status_or_path =
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sandbox2::CreateNamedTempFileAndClose("long_test.tif");
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ASSERT_THAT(status_or_path, IsOk()) << "Could not create temp file";
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std::string srcfile = sandbox2::file::JoinPath(
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sandbox2::file_util::fileops::GetCWD(), status_or_path.value());
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TiffSapiSandbox sandbox("", srcfile);
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ASSERT_THAT(sandbox.Init(), IsOk()) << "Couldn't initialize Sandboxed API";
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std::array<unsigned char, SPP> buffer = {0, 127, 255};
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sapi::v::Array<unsigned char> buffer_(buffer.data(), SPP);
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sapi::StatusOr<int> status_or_int;
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sapi::StatusOr<TIFF*> status_or_tif;
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TiffApi api(&sandbox);
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sapi::v::ConstCStr srcfile_var(srcfile.c_str());
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sapi::v::ConstCStr w_var("w");
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status_or_tif = api.TIFFOpen(srcfile_var.PtrBefore(), w_var.PtrBefore());
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ASSERT_THAT(status_or_tif, IsOk()) << "Could not open " << srcfile;
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sapi::v::RemotePtr tif(status_or_tif.value());
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ASSERT_THAT(tif.GetValue(), NotNull())
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<< "Can't create test TIFF file " << srcfile;
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status_or_int = api.TIFFSetFieldU1(&tif, TIFFTAG_IMAGEWIDTH, kWidth);
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ASSERT_THAT(status_or_int, IsOk()) << "TIFFSetFieldU1 fatal error";
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EXPECT_THAT(status_or_int.value(), IsTrue()) << "Can't set ImageWidth tag";
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status_or_int = api.TIFFSetFieldU1(&tif, TIFFTAG_IMAGELENGTH, kLength);
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ASSERT_THAT(status_or_int, IsOk()) << "TIFFSetFieldU1 fatal error";
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EXPECT_THAT(status_or_int.value(), IsTrue()) << "Can't set ImageLength tag";
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status_or_int = api.TIFFSetFieldU1(&tif, TIFFTAG_BITSPERSAMPLE, kBps);
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ASSERT_THAT(status_or_int, IsOk()) << "TIFFSetFieldU1 fatal error";
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EXPECT_THAT(status_or_int.value(), IsTrue()) << "Can't set BitsPerSample tag";
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status_or_int = api.TIFFSetFieldU1(&tif, TIFFTAG_SAMPLESPERPIXEL, SPP);
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ASSERT_THAT(status_or_int, IsOk()) << "TIFFSetFieldU1 fatal error";
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EXPECT_THAT(status_or_int.value(), IsTrue())
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<< "Can't set SamplesPerPixel tag";
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status_or_int = api.TIFFSetFieldU1(&tif, TIFFTAG_ROWSPERSTRIP, kRowsPerStrip);
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ASSERT_THAT(status_or_int, IsOk()) << "TIFFSetFieldU1 fatal error";
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EXPECT_THAT(status_or_int.value(), IsTrue()) << "Can't set RowsPerStrip tag";
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status_or_int =
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api.TIFFSetFieldU1(&tif, TIFFTAG_PLANARCONFIG, PLANARCONFIG_CONTIG);
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ASSERT_THAT(status_or_int, IsOk()) << "TIFFSetFieldU1 fatal error";
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EXPECT_THAT(status_or_int.value(), IsTrue())
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<< "Can't set PlanarConfiguration tag";
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status_or_int =
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api.TIFFSetFieldU1(&tif, TIFFTAG_PHOTOMETRIC, PHOTOMETRIC_RGB);
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ASSERT_THAT(status_or_int, IsOk()) << "TIFFSetFieldU1 fatal error";
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EXPECT_THAT(status_or_int.value(), IsTrue())
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<< "Can't set PhotometricInterpretation tag";
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for (auto& tag : long_tags) {
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status_or_int = api.TIFFSetFieldU1(&tif, tag.tag, tag.value);
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ASSERT_THAT(status_or_int, IsOk()) << "TIFFSetFieldUShort1 fatal error";
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EXPECT_THAT(status_or_int.value(), IsTrue()) << "Can't set tag " << tag.tag;
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}
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status_or_int = api.TIFFWriteScanline(&tif, buffer_.PtrBoth(), 0, 0);
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ASSERT_THAT(status_or_int, IsOk()) << "TIFFWriteScanline fatal error";
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ASSERT_THAT(status_or_int.value(), Ne(-1)) << "Can't write image data";
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ASSERT_THAT(api.TIFFClose(&tif), IsOk()) << "TIFFClose fatal error";
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sapi::v::ConstCStr r_var("r");
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status_or_tif = api.TIFFOpen(srcfile_var.PtrBefore(), r_var.PtrBefore());
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ASSERT_THAT(status_or_tif, IsOk()) << "Could not open " << srcfile;
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sapi::v::RemotePtr tif2(status_or_tif.value());
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ASSERT_THAT(tif2.GetValue(), NotNull())
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<< "Can't create test TIFF file " << srcfile;
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CheckLongField(api, tif2, TIFFTAG_IMAGEWIDTH, kWidth);
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CheckLongField(api, tif2, TIFFTAG_IMAGELENGTH, kLength);
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CheckLongField(api, tif2, TIFFTAG_ROWSPERSTRIP, kRowsPerStrip);
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for (auto& tag : long_tags) {
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CheckLongField(api, tif2, tag.tag, tag.value);
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}
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ASSERT_THAT(api.TIFFClose(&tif2), IsOk()) << "TIFFClose fatal error";
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unlink(srcfile.c_str());
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}
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