2 * Copyright (C) 2012 Koji Ishii <kojiishi@gmail.com>
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
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8 * notice, this list of conditions and the following disclaimer.
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11 * documentation and/or other materials provided with the distribution.
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14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
15 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
16 * DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY
17 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
18 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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20 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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27 #if ENABLE(OPENTYPE_VERTICAL)
29 #include "platform/SharedBuffer.h"
30 #include "platform/fonts/opentype/OpenTypeTypes.h"
31 #include "wtf/RefPtr.h"
32 #include <gtest/gtest.h>
34 using namespace blink;
38 struct TestTable : OpenType::TableBase {
39 OpenType::Fixed version;
40 OpenType::Int16 ascender;
42 template <typename T> const T* validateOffset(const SharedBuffer& buffer, uint16_t offset) const
44 return TableBase::validateOffset<T>(buffer, offset);
48 TEST(OpenTypeVerticalDataTest, ValidateTableTest)
50 RefPtr<SharedBuffer> buffer = SharedBuffer::create(sizeof(TestTable));
51 const TestTable* table = OpenType::validateTable<TestTable>(buffer);
54 buffer = SharedBuffer::create(sizeof(TestTable) - 1);
55 table = OpenType::validateTable<TestTable>(buffer);
58 buffer = SharedBuffer::create(sizeof(TestTable) + 1);
59 table = OpenType::validateTable<TestTable>(buffer);
63 TEST(OpenTypeVerticalDataTest, ValidateOffsetTest)
65 RefPtr<SharedBuffer> buffer = SharedBuffer::create(sizeof(TestTable));
66 const TestTable* table = OpenType::validateTable<TestTable>(buffer);
70 EXPECT_FALSE(table->validateOffset<uint8_t>(*buffer, 0xFFFF));
72 // uint8_t is valid for all offsets
73 for (uint16_t offset = 0; offset < sizeof(TestTable); offset++)
74 EXPECT_TRUE(table->validateOffset<uint8_t>(*buffer, offset));
75 EXPECT_FALSE(table->validateOffset<uint8_t>(*buffer, sizeof(TestTable)));
76 EXPECT_FALSE(table->validateOffset<uint8_t>(*buffer, sizeof(TestTable) + 1));
78 // For uint16_t, the last byte is invalid
79 for (uint16_t offset = 0; offset < sizeof(TestTable) - 1; offset++)
80 EXPECT_TRUE(table->validateOffset<uint16_t>(*buffer, offset));
81 EXPECT_FALSE(table->validateOffset<uint16_t>(*buffer, sizeof(TestTable) - 1));
86 #endif // ENABLE(OPENTYPE_VERTICAL)