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authorLei Zhang <thestig@chromium.org>2018-03-14 18:08:36 +0000
committerChromium commit bot <commit-bot@chromium.org>2018-03-14 18:08:36 +0000
commit40c223e4ed41e991f81281ca08b3085e218c52dc (patch)
treeec78574acb09e871d62cfd5d9662fff242d1a21b /core/fxcrt/widestring_unittest.cpp
parent2c3cfa734d034a0f0c78e658e98ed1113eba29a8 (diff)
downloadpdfium-40c223e4ed41e991f81281ca08b3085e218c52dc.tar.xz
Fix bad return value in WideString::Compare().chromium/3371
When comparing L"a" vs L"ab", the return value should be -1 or 1, not 0 or 1. Add a regression test for this case. BUG=chromium:821454 Change-Id: I38e2d7ca62319b7a62f8d8afeb231b8ed3bd9e86 Reviewed-on: https://pdfium-review.googlesource.com/28570 Commit-Queue: Ryan Harrison <rharrison@chromium.org> Reviewed-by: Ryan Harrison <rharrison@chromium.org>
Diffstat (limited to 'core/fxcrt/widestring_unittest.cpp')
-rw-r--r--core/fxcrt/widestring_unittest.cpp11
1 files changed, 11 insertions, 0 deletions
diff --git a/core/fxcrt/widestring_unittest.cpp b/core/fxcrt/widestring_unittest.cpp
index 2fb9e8c8b4..473d59c491 100644
--- a/core/fxcrt/widestring_unittest.cpp
+++ b/core/fxcrt/widestring_unittest.cpp
@@ -52,15 +52,18 @@ TEST(WideString, ElementAccess) {
TEST(WideString, OperatorLT) {
WideString empty;
WideString a(L"a");
+ WideString ab(L"ab");
WideString abc(L"\x0110qq"); // Comes before despite endianness.
WideString def(L"\x1001qq"); // Comes after despite endianness.
WideStringView v_empty;
WideStringView v_a(L"a");
+ WideStringView v_ab(L"ab");
WideStringView v_abc(L"\x0110qq");
WideStringView v_def(L"\x1001qq");
const wchar_t* const c_null = nullptr;
const wchar_t* const c_empty = L"";
const wchar_t* const c_a = L"a";
+ const wchar_t* const c_ab = L"ab";
const wchar_t* const c_abc = L"\x0110qq";
const wchar_t* const c_def = L"\x1001qq";
@@ -142,6 +145,14 @@ TEST(WideString, OperatorLT) {
EXPECT_FALSE(def < c_abc);
EXPECT_TRUE(abc < v_def);
EXPECT_FALSE(def < v_abc);
+
+ EXPECT_TRUE(a < ab);
+ EXPECT_TRUE(a < c_ab);
+ EXPECT_TRUE(a < v_ab);
+ EXPECT_TRUE(c_a < ab);
+ EXPECT_TRUE(c_a < v_ab);
+ EXPECT_TRUE(v_a < c_ab);
+ EXPECT_TRUE(v_a < v_ab);
}
TEST(WideString, OperatorEQ) {