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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "gtest/gtest.h"
#include "Common.h"
#include "imgLoader.h"
#include "nsMimeTypes.h"
#include "nsString.h"
using namespace mozilla;
using namespace mozilla::image;
static void CheckMimeType(const char* aContents, size_t aLength,
const char* aExpected) {
nsAutoCString detected;
nsresult rv = imgLoader::GetMimeTypeFromContent(aContents, aLength, detected);
if (aExpected) {
ASSERT_NS_SUCCEEDED(rv);
EXPECT_TRUE(detected.EqualsASCII(aExpected));
} else {
ASSERT_NS_FAILED(rv);
EXPECT_TRUE(detected.IsEmpty());
}
}
class ImageLoader : public ::testing::Test {
protected:
AutoInitializeImageLib mInit;
};
TEST_F(ImageLoader, DetectGIF) {
const char buffer[] = "GIF87a";
CheckMimeType(buffer, sizeof(buffer), IMAGE_GIF);
}
TEST_F(ImageLoader, DetectPNG) {
const char buffer[] = "\x89\x50\x4E\x47\x0D\x0A\x1A\x0A";
CheckMimeType(buffer, sizeof(buffer), IMAGE_PNG);
}
TEST_F(ImageLoader, DetectJPEG) {
const char buffer[] = "\xFF\xD8\xFF";
CheckMimeType(buffer, sizeof(buffer), IMAGE_JPEG);
}
TEST_F(ImageLoader, DetectART) {
const char buffer[] = "\x4A\x47\xFF\xFF\x00";
CheckMimeType(buffer, sizeof(buffer), IMAGE_ART);
}
TEST_F(ImageLoader, DetectBMP) {
const char buffer[] = "BM";
CheckMimeType(buffer, sizeof(buffer), IMAGE_BMP);
}
TEST_F(ImageLoader, DetectICO) {
const char buffer[] = "\x00\x00\x01\x00";
CheckMimeType(buffer, sizeof(buffer), IMAGE_ICO);
}
TEST_F(ImageLoader, DetectWebP) {
const char buffer[] = "RIFF\xFF\xFF\xFF\xFFWEBPVP8L";
CheckMimeType(buffer, sizeof(buffer), IMAGE_WEBP);
}
TEST_F(ImageLoader, DetectAVIFMajorBrand) {
const char buffer[] =
"\x00\x00\x00\x20" // box length
"ftyp" // box type
"avif" // major brand
"\x00\x00\x00\x00" // minor version
"avifmif1miafMA1B"; // compatible brands
CheckMimeType(buffer, sizeof(buffer), IMAGE_AVIF);
}
TEST_F(ImageLoader, DetectAVIFCompatibleBrand) {
const char buffer[] =
"\x00\x00\x00\x20" // box length
"ftyp" // box type
"XXXX" // major brand
"\x00\x00\x00\x00" // minor version
"avifmif1miafMA1B"; // compatible brands
CheckMimeType(buffer, sizeof(buffer), IMAGE_AVIF);
}
#ifdef MOZ_JXL
TEST_F(ImageLoader, DetectJXLCodestream) {
const char buffer[] = "\xff\x0a";
CheckMimeType(buffer, sizeof(buffer), IMAGE_JXL);
}
TEST_F(ImageLoader, DetectJXLContainer) {
const char buffer[] =
"\x00\x00\x00\x0c"
"JXL "
"\x0d\x0a\x87\x0a";
CheckMimeType(buffer, sizeof(buffer), IMAGE_JXL);
}
#endif
TEST_F(ImageLoader, DetectNonImageMP4) {
const char buffer[] =
"\x00\x00\x00\x1c" // box length
"ftyp" // box type
"isom" // major brand
"\x00\x00\x02\x00" // minor version
"isomiso2mp41"; // compatible brands
CheckMimeType(buffer, sizeof(buffer), nullptr);
}
TEST_F(ImageLoader, DetectNone) {
const char buffer[] = "abcdefghijklmnop";
CheckMimeType(buffer, sizeof(buffer), nullptr);
}
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