Index: core/fxcrt/fx_basic_util_unittest.cpp |
diff --git a/core/fxcrt/fx_basic_util_unittest.cpp b/core/fxcrt/fx_basic_util_unittest.cpp |
index 3272eab70c27439cfcb8c99fc8aede009e1aa3f9..6eae6696ad05b4adb8c64939658610f643420149 100644 |
--- a/core/fxcrt/fx_basic_util_unittest.cpp |
+++ b/core/fxcrt/fx_basic_util_unittest.cpp |
@@ -2,6 +2,8 @@ |
// 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/include/fx_basic.h" |
#include "testing/fx_string_testhelpers.h" |
#include "testing/gtest/include/gtest/gtest.h" |
@@ -28,3 +30,48 @@ TEST(fxge, GetBits32) { |
} |
} |
} |
+ |
+TEST(fxcrt, 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); |
+} |