diff options
Diffstat (limited to 'core/fpdfapi/font/fpdf_font_cid_unittest.cpp')
-rw-r--r-- | core/fpdfapi/font/fpdf_font_cid_unittest.cpp | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/core/fpdfapi/font/fpdf_font_cid_unittest.cpp b/core/fpdfapi/font/fpdf_font_cid_unittest.cpp new file mode 100644 index 0000000000..53f5e47f92 --- /dev/null +++ b/core/fpdfapi/font/fpdf_font_cid_unittest.cpp @@ -0,0 +1,70 @@ +// Copyright 2015 PDFium Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +#include "core/fpdfapi/font/font_int.h" +#include "testing/gtest/include/gtest/gtest.h" + +namespace { + +bool uint_ranges_equal(uint8_t* a, uint8_t* b, size_t count) { + for (size_t i = 0; i < count; ++i) { + if (a[i] != b[i]) + return false; + } + return true; +} + +} // namespace + +TEST(fpdf_font_cid, CMap_GetCode) { + EXPECT_EQ(0u, CPDF_CMapParser::CMap_GetCode("")); + EXPECT_EQ(0u, CPDF_CMapParser::CMap_GetCode("<")); + EXPECT_EQ(194u, CPDF_CMapParser::CMap_GetCode("<c2")); + EXPECT_EQ(162u, CPDF_CMapParser::CMap_GetCode("<A2")); + EXPECT_EQ(2802u, CPDF_CMapParser::CMap_GetCode("<Af2")); + EXPECT_EQ(162u, CPDF_CMapParser::CMap_GetCode("<A2z")); + + EXPECT_EQ(12u, CPDF_CMapParser::CMap_GetCode("12")); + EXPECT_EQ(12u, CPDF_CMapParser::CMap_GetCode("12d")); + EXPECT_EQ(128u, CPDF_CMapParser::CMap_GetCode("128")); + + EXPECT_EQ(4294967295u, CPDF_CMapParser::CMap_GetCode("<FFFFFFFF")); + + // Overflow a uint32_t. + EXPECT_EQ(0u, CPDF_CMapParser::CMap_GetCode("<100000000")); +} + +TEST(fpdf_font_cid, CMap_GetCodeRange) { + CMap_CodeRange range; + + // Must start with a < + EXPECT_FALSE(CPDF_CMapParser::CMap_GetCodeRange(range, "", "")); + EXPECT_FALSE(CPDF_CMapParser::CMap_GetCodeRange(range, "A", "")); + + // m_CharSize must be <= 4 + EXPECT_FALSE(CPDF_CMapParser::CMap_GetCodeRange(range, "<aaaaaaaaaa>", "")); + EXPECT_EQ(5, range.m_CharSize); + + EXPECT_TRUE( + CPDF_CMapParser::CMap_GetCodeRange(range, "<12345678>", "<87654321>")); + EXPECT_EQ(4, range.m_CharSize); + { + uint8_t lower[4] = {18, 52, 86, 120}; + uint8_t upper[4] = {135, 101, 67, 33}; + EXPECT_TRUE(uint_ranges_equal(lower, range.m_Lower, range.m_CharSize)); + EXPECT_TRUE(uint_ranges_equal(upper, range.m_Upper, range.m_CharSize)); + } + + // Hex characters + EXPECT_TRUE(CPDF_CMapParser::CMap_GetCodeRange(range, "<a1>", "<F3>")); + EXPECT_EQ(1, range.m_CharSize); + EXPECT_EQ(161, range.m_Lower[0]); + EXPECT_EQ(243, range.m_Upper[0]); + + // The second string should return 0's if it is shorter + EXPECT_TRUE(CPDF_CMapParser::CMap_GetCodeRange(range, "<a1>", "")); + EXPECT_EQ(1, range.m_CharSize); + EXPECT_EQ(161, range.m_Lower[0]); + EXPECT_EQ(0, range.m_Upper[0]); +} |