1/* 2 * Copyright (C) 2015 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17#include <gtest/gtest.h> 18 19#include <minikin/FontCollection.h> 20#include "FontTestUtils.h" 21#include "MinikinFontForTest.h" 22#include "MinikinInternal.h" 23 24namespace android { 25 26// The test font has following glyphs. 27// U+82A6 28// U+82A6 U+FE00 (VS1) 29// U+82A6 U+E0100 (VS17) 30// U+82A6 U+E0101 (VS18) 31// U+82A6 U+E0102 (VS19) 32// U+845B 33// U+845B U+FE01 (VS2) 34// U+845B U+E0101 (VS18) 35// U+845B U+E0102 (VS19) 36// U+845B U+E0103 (VS20) 37// U+537F 38// U+717D U+FE02 (VS3) 39// U+717D U+E0102 (VS19) 40// U+717D U+E0103 (VS20) 41const char kVsTestFont[] = kTestFontDir "/VarioationSelectorTest-Regular.ttf"; 42 43void expectVSGlyphs(const FontCollection& fc, uint32_t codepoint, const std::set<uint32_t>& vsSet) { 44 for (uint32_t vs = 0xFE00; vs <= 0xE01EF; ++vs) { 45 // Move to variation selectors supplements after variation selectors. 46 if (vs == 0xFF00) { 47 vs = 0xE0100; 48 } 49 if (vsSet.find(vs) == vsSet.end()) { 50 EXPECT_FALSE(fc.hasVariationSelector(codepoint, vs)) 51 << "Glyph for U+" << std::hex << codepoint << " U+" << vs; 52 } else { 53 EXPECT_TRUE(fc.hasVariationSelector(codepoint, vs)) 54 << "Glyph for U+" << std::hex << codepoint << " U+" << vs; 55 } 56 } 57} 58 59TEST(FontCollectionTest, hasVariationSelectorTest) { 60 FontFamily* family = new FontFamily(); 61 family->addFont(new MinikinFontForTest(kVsTestFont)); 62 std::vector<FontFamily*> families({family}); 63 FontCollection fc(families); 64 family->Unref(); 65 66 EXPECT_FALSE(fc.hasVariationSelector(0x82A6, 0)); 67 expectVSGlyphs(fc, 0x82A6, std::set<uint32_t>({0xFE00, 0xE0100, 0xE0101, 0xE0102})); 68 69 EXPECT_FALSE(fc.hasVariationSelector(0x845B, 0)); 70 expectVSGlyphs(fc, 0x845B, std::set<uint32_t>({0xFE01, 0xE0101, 0xE0102, 0xE0103})); 71 72 EXPECT_FALSE(fc.hasVariationSelector(0x537F, 0)); 73 expectVSGlyphs(fc, 0x537F, std::set<uint32_t>({})); 74 75 EXPECT_FALSE(fc.hasVariationSelector(0x717D, 0)); 76 expectVSGlyphs(fc, 0x717D, std::set<uint32_t>({0xFE02, 0xE0102, 0xE0103})); 77} 78 79const char kEmojiXmlFile[] = kTestFontDir "emoji.xml"; 80 81TEST(FontCollectionTest, hasVariationSelectorTest_emoji) { 82 MinikinAutoUnref<FontCollection> collection(getFontCollection(kTestFontDir, kEmojiXmlFile)); 83 84 // Both text/color font have cmap format 14 subtable entry for VS15/VS16 respectively. 85 EXPECT_TRUE(collection->hasVariationSelector(0x2623, 0xFE0E)); 86 EXPECT_TRUE(collection->hasVariationSelector(0x2623, 0xFE0F)); 87 88 // The text font has cmap format 14 subtable entry for VS15 but the color font doesn't have for 89 // VS16 90 EXPECT_TRUE(collection->hasVariationSelector(0x2626, 0xFE0E)); 91 EXPECT_FALSE(collection->hasVariationSelector(0x2626, 0xFE0F)); 92 93 // The color font has cmap format 14 subtable entry for VS16 but the text font doesn't have for 94 // VS15. 95 EXPECT_TRUE(collection->hasVariationSelector(0x262A, 0xFE0E)); 96 EXPECT_TRUE(collection->hasVariationSelector(0x262A, 0xFE0F)); 97 98 // Neither text/color font have cmap format 14 subtable entry for VS15/VS16. 99 EXPECT_TRUE(collection->hasVariationSelector(0x262E, 0xFE0E)); 100 EXPECT_FALSE(collection->hasVariationSelector(0x262E, 0xFE0F)); 101 102 // Text font doesn't have U+262F U+FE0E or even its base code point U+262F. 103 EXPECT_FALSE(collection->hasVariationSelector(0x262F, 0xFE0E)); 104 105 // VS15/VS16 is only for emoji, should return false for not an emoji code point. 106 EXPECT_FALSE(collection->hasVariationSelector(0x2229, 0xFE0E)); 107 EXPECT_FALSE(collection->hasVariationSelector(0x2229, 0xFE0F)); 108} 109 110} // namespace android 111