// Copyright 2016 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 <limits> #include "core/fxcrt/fx_string.h" #include "testing/gtest/include/gtest/gtest.h" TEST(fxstring, FX_atonum) { int i; EXPECT_TRUE(FX_atonum("10", &i)); EXPECT_EQ(10, i); EXPECT_TRUE(FX_atonum("-10", &i)); EXPECT_EQ(-10, i); EXPECT_TRUE(FX_atonum("+10", &i)); EXPECT_EQ(10, i); EXPECT_TRUE(FX_atonum("-2147483648", &i)); EXPECT_EQ(std::numeric_limits<int>::min(), i); EXPECT_TRUE(FX_atonum("2147483647", &i)); EXPECT_EQ(2147483647, i); // Value overflows. EXPECT_TRUE(FX_atonum("-2147483649", &i)); EXPECT_EQ(0, i); // Value overflows. EXPECT_TRUE(FX_atonum("+2147483648", &i)); EXPECT_EQ(0, i); // Value overflows. EXPECT_TRUE(FX_atonum("4223423494965252", &i)); EXPECT_EQ(0, i); // No explicit sign will allow the number to go negative. This is for things // like the encryption Permissions flag (Table 3.20 PDF 1.7 spec) EXPECT_TRUE(FX_atonum("4294965252", &i)); EXPECT_EQ(-2044, i); EXPECT_TRUE(FX_atonum("-4294965252", &i)); EXPECT_EQ(0, i); EXPECT_TRUE(FX_atonum("+4294965252", &i)); EXPECT_EQ(0, i); float f; EXPECT_FALSE(FX_atonum("3.24", &f)); EXPECT_FLOAT_EQ(3.24f, f); }