Move implementations into fx_system.cpp

This CL moves code defined in fx_system.h to be implemented in
fx_system.cpp.

Change-Id: I0c19066d4497bd208f4560fdcaf57cf04bf9f146
Reviewed-on: https://pdfium-review.googlesource.com/12674
Reviewed-by: Tom Sepez <tsepez@chromium.org>
Commit-Queue: dsinclair <dsinclair@chromium.org>

1 files changed, 80 insertions, 0 deletions

diff --git a/core/fxcrt/fx_system_unittest.cpp b/core/fxcrt/fx_system_unittest.cpp
index 958d295a24..6a0fe71abe 100644
--- a/core/fxcrt/fx_system_unittest.cpp
+++ b/core/fxcrt/fx_system_unittest.cpp
@@ -211,3 +211,83 @@ TEST(fxcrt, FXSYS_wcsftime) {
 
   FXSYS_wcsftime(buf, FX_ArraySize(buf), L"%y-%m-%dT%H:%M:%S", &feb_time);
 }
+
+TEST(fxcrt, FXSYS_atoi) {
+  EXPECT_EQ(0, FXSYS_atoi(""));
+  EXPECT_EQ(0, FXSYS_atoi("0"));
+  EXPECT_EQ(-1, FXSYS_atoi("-1"));
+  EXPECT_EQ(2345, FXSYS_atoi("2345"));
+  EXPECT_EQ(-2147483647, FXSYS_atoi("-2147483647"));
+  // Handle the sign.
+  EXPECT_EQ(-2345, FXSYS_atoi("-2345"));
+  EXPECT_EQ(2345, FXSYS_atoi("+2345"));
+  // The max value.
+  EXPECT_EQ(2147483647, FXSYS_atoi("2147483647"));
+  // The min value. Written in -1 format to avoid "unary minus operator applied
+  // to unsigned type" warning.
+  EXPECT_EQ(-2147483647 - 1, FXSYS_atoi("-2147483648"));
+  // With invalid char.
+  EXPECT_EQ(9, FXSYS_atoi("9x9"));
+
+  // Out of range values.
+  EXPECT_EQ(2147483647, FXSYS_atoi("2147483623423412348"));
+  EXPECT_EQ(2147483647, FXSYS_atoi("2147483648"));
+  EXPECT_EQ(-2147483647 - 1, FXSYS_atoi("-2147483650"));
+}
+
+TEST(fxcrt, FXSYS_atoi64) {
+  EXPECT_EQ(0, FXSYS_atoi64(""));
+  EXPECT_EQ(0, FXSYS_atoi64("0"));
+  EXPECT_EQ(-1, FXSYS_atoi64("-1"));
+  EXPECT_EQ(2345, FXSYS_atoi64("2345"));
+  EXPECT_EQ(-9223372036854775807LL, FXSYS_atoi64("-9223372036854775807"));
+  // Handle the sign.
+  EXPECT_EQ(-2345, FXSYS_atoi64("-2345"));
+  EXPECT_EQ(2345, FXSYS_atoi64("+2345"));
+  // The max value.
+  EXPECT_EQ(9223372036854775807LL, FXSYS_atoi64("9223372036854775807"));
+  // The min value. Written in -1 format to avoid implicit unsigned warning.
+  EXPECT_EQ(-9223372036854775807LL - 1LL, FXSYS_atoi64("-9223372036854775808"));
+  // With invalid char.
+  EXPECT_EQ(9, FXSYS_atoi64("9x9"));
+
+  // Out of range values.
+  EXPECT_EQ(9223372036854775807LL, FXSYS_atoi64("922337203685471234123475807"));
+  EXPECT_EQ(9223372036854775807LL, FXSYS_atoi64("9223372036854775808"));
+  EXPECT_EQ(-9223372036854775807LL - 1LL, FXSYS_atoi64("-9223372036854775810"));
+}
+
+TEST(fxcrt, FXSYS_wtoi) {
+  EXPECT_EQ(0, FXSYS_wtoi(L""));
+  EXPECT_EQ(0, FXSYS_wtoi(L"0"));
+  EXPECT_EQ(-1, FXSYS_wtoi(L"-1"));
+  EXPECT_EQ(2345, FXSYS_wtoi(L"2345"));
+  EXPECT_EQ(-2147483647, FXSYS_wtoi(L"-2147483647"));
+  // The max value.
+  EXPECT_EQ(2147483647, FXSYS_wtoi(L"2147483647"));
+  // The min value.
+  EXPECT_EQ(-2147483647 - 1, FXSYS_wtoi(L"-2147483648"));
+
+  // Out of range values.
+  EXPECT_EQ(2147483647, FXSYS_wtoi(L"2147483623423412348"));
+  EXPECT_EQ(2147483647, FXSYS_wtoi(L"2147483648"));
+  EXPECT_EQ(-2147483647 - 1, FXSYS_wtoi(L"-2147483652"));
+}
+
+TEST(fxcrt, FXSYS_atoui) {
+  EXPECT_EQ(0u, FXSYS_atoui(""));
+  EXPECT_EQ(0u, FXSYS_atoui("0"));
+  EXPECT_EQ(4294967295, FXSYS_atoui("-1"));
+  EXPECT_EQ(2345u, FXSYS_atoui("2345"));
+  // Handle the sign.
+  EXPECT_EQ(4294964951, FXSYS_atoui("-2345"));
+  EXPECT_EQ(2345u, FXSYS_atoui("+2345"));
+  // The max value.
+  EXPECT_EQ(4294967295, FXSYS_atoui("4294967295"));
+  EXPECT_EQ(9u, FXSYS_atoui("9x9"));
+
+  // Out of range values.
+  EXPECT_EQ(4294967295, FXSYS_atoui("2147483623423412348"));
+  EXPECT_EQ(4294967295, FXSYS_atoui("4294967296"));
+  EXPECT_EQ(4294967295, FXSYS_atoui("-4294967345"));
+}