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authorTom Sepez <tsepez@chromium.org>2017-03-31 10:32:07 -0700
committerChromium commit bot <commit-bot@chromium.org>2017-03-31 17:51:46 +0000
commitfcdb2df009796a78369a7fe8bcaab76b27f5450b (patch)
tree104104f6c1c4c1c68ef8e5b0c2bae93760e75005 /core/fxcrt/cfx_widestring_unittest.cpp
parentfc715c3c1d9c9c623c36ae9fc8b8aac0362e4c22 (diff)
downloadpdfium-fcdb2df009796a78369a7fe8bcaab76b27f5450b.tar.xz
Re-arrange fxcrt string files to match naming.
The top-level fx_string.h is kept to include all strings. Put all fx_atof code in fx_basic_util.cpp rather than header. Change-Id: I61fe768f2e1ddf8438d27e410929f4cff918a9a3 Reviewed-on: https://pdfium-review.googlesource.com/3530 Reviewed-by: Nicolás Peña <npm@chromium.org> Commit-Queue: Tom Sepez <tsepez@chromium.org>
Diffstat (limited to 'core/fxcrt/cfx_widestring_unittest.cpp')
-rw-r--r--core/fxcrt/cfx_widestring_unittest.cpp942
1 files changed, 942 insertions, 0 deletions
diff --git a/core/fxcrt/cfx_widestring_unittest.cpp b/core/fxcrt/cfx_widestring_unittest.cpp
new file mode 100644
index 0000000000..c1728af1b1
--- /dev/null
+++ b/core/fxcrt/cfx_widestring_unittest.cpp
@@ -0,0 +1,942 @@
+// Copyright 2014 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/fxcrt/cfx_widestring.h"
+
+#include "testing/fx_string_testhelpers.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+TEST(fxcrt, WideStringOperatorSubscript) {
+ // CFX_WideString includes the NUL terminator for non-empty strings.
+ CFX_WideString abc(L"abc");
+ EXPECT_EQ(L'a', abc[0]);
+ EXPECT_EQ(L'b', abc[1]);
+ EXPECT_EQ(L'c', abc[2]);
+ EXPECT_EQ(L'\0', abc[3]);
+}
+
+TEST(fxcrt, WideStringOperatorLT) {
+ CFX_WideString empty;
+ CFX_WideString a(L"a");
+ CFX_WideString abc(L"\x0110qq"); // Comes before despite endianness.
+ CFX_WideString def(L"\x1001qq"); // Comes after despite endianness.
+
+ EXPECT_FALSE(empty < empty);
+ EXPECT_FALSE(a < a);
+ EXPECT_FALSE(abc < abc);
+ EXPECT_FALSE(def < def);
+
+ EXPECT_TRUE(empty < a);
+ EXPECT_FALSE(a < empty);
+
+ EXPECT_TRUE(empty < abc);
+ EXPECT_FALSE(abc < empty);
+
+ EXPECT_TRUE(empty < def);
+ EXPECT_FALSE(def < empty);
+
+ EXPECT_TRUE(a < abc);
+ EXPECT_FALSE(abc < a);
+
+ EXPECT_TRUE(a < def);
+ EXPECT_FALSE(def < a);
+
+ EXPECT_TRUE(abc < def);
+ EXPECT_FALSE(def < abc);
+}
+
+TEST(fxcrt, WideStringOperatorEQ) {
+ CFX_WideString null_string;
+ EXPECT_TRUE(null_string == null_string);
+
+ CFX_WideString empty_string(L"");
+ EXPECT_TRUE(empty_string == empty_string);
+ EXPECT_TRUE(empty_string == null_string);
+ EXPECT_TRUE(null_string == empty_string);
+
+ CFX_WideString deleted_string(L"hello");
+ deleted_string.Delete(0, 5);
+ EXPECT_TRUE(deleted_string == deleted_string);
+ EXPECT_TRUE(deleted_string == null_string);
+ EXPECT_TRUE(deleted_string == empty_string);
+ EXPECT_TRUE(null_string == deleted_string);
+ EXPECT_TRUE(null_string == empty_string);
+
+ CFX_WideString wide_string(L"hello");
+ EXPECT_TRUE(wide_string == wide_string);
+ EXPECT_FALSE(wide_string == null_string);
+ EXPECT_FALSE(wide_string == empty_string);
+ EXPECT_FALSE(wide_string == deleted_string);
+ EXPECT_FALSE(null_string == wide_string);
+ EXPECT_FALSE(empty_string == wide_string);
+ EXPECT_FALSE(deleted_string == wide_string);
+
+ CFX_WideString wide_string_same1(L"hello");
+ EXPECT_TRUE(wide_string == wide_string_same1);
+ EXPECT_TRUE(wide_string_same1 == wide_string);
+
+ CFX_WideString wide_string_same2(wide_string);
+ EXPECT_TRUE(wide_string == wide_string_same2);
+ EXPECT_TRUE(wide_string_same2 == wide_string);
+
+ CFX_WideString wide_string1(L"he");
+ CFX_WideString wide_string2(L"hellp");
+ CFX_WideString wide_string3(L"hellod");
+ EXPECT_FALSE(wide_string == wide_string1);
+ EXPECT_FALSE(wide_string == wide_string2);
+ EXPECT_FALSE(wide_string == wide_string3);
+ EXPECT_FALSE(wide_string1 == wide_string);
+ EXPECT_FALSE(wide_string2 == wide_string);
+ EXPECT_FALSE(wide_string3 == wide_string);
+
+ CFX_WideStringC null_string_c;
+ CFX_WideStringC empty_string_c(L"");
+ EXPECT_TRUE(null_string == null_string_c);
+ EXPECT_TRUE(null_string == empty_string_c);
+ EXPECT_TRUE(empty_string == null_string_c);
+ EXPECT_TRUE(empty_string == empty_string_c);
+ EXPECT_TRUE(deleted_string == null_string_c);
+ EXPECT_TRUE(deleted_string == empty_string_c);
+ EXPECT_TRUE(null_string_c == null_string);
+ EXPECT_TRUE(empty_string_c == null_string);
+ EXPECT_TRUE(null_string_c == empty_string);
+ EXPECT_TRUE(empty_string_c == empty_string);
+ EXPECT_TRUE(null_string_c == deleted_string);
+ EXPECT_TRUE(empty_string_c == deleted_string);
+
+ CFX_WideStringC wide_string_c_same1(L"hello");
+ EXPECT_TRUE(wide_string == wide_string_c_same1);
+ EXPECT_TRUE(wide_string_c_same1 == wide_string);
+
+ CFX_WideStringC wide_string_c1(L"he");
+ CFX_WideStringC wide_string_c2(L"hellp");
+ CFX_WideStringC wide_string_c3(L"hellod");
+ EXPECT_FALSE(wide_string == wide_string_c1);
+ EXPECT_FALSE(wide_string == wide_string_c2);
+ EXPECT_FALSE(wide_string == wide_string_c3);
+ EXPECT_FALSE(wide_string_c1 == wide_string);
+ EXPECT_FALSE(wide_string_c2 == wide_string);
+ EXPECT_FALSE(wide_string_c3 == wide_string);
+
+ const wchar_t* c_null_string = nullptr;
+ const wchar_t* c_empty_string = L"";
+ EXPECT_TRUE(null_string == c_null_string);
+ EXPECT_TRUE(null_string == c_empty_string);
+ EXPECT_TRUE(empty_string == c_null_string);
+ EXPECT_TRUE(empty_string == c_empty_string);
+ EXPECT_TRUE(deleted_string == c_null_string);
+ EXPECT_TRUE(deleted_string == c_empty_string);
+ EXPECT_TRUE(c_null_string == null_string);
+ EXPECT_TRUE(c_empty_string == null_string);
+ EXPECT_TRUE(c_null_string == empty_string);
+ EXPECT_TRUE(c_empty_string == empty_string);
+ EXPECT_TRUE(c_null_string == deleted_string);
+ EXPECT_TRUE(c_empty_string == deleted_string);
+
+ const wchar_t* c_string_same1 = L"hello";
+ EXPECT_TRUE(wide_string == c_string_same1);
+ EXPECT_TRUE(c_string_same1 == wide_string);
+
+ const wchar_t* c_string1 = L"he";
+ const wchar_t* c_string2 = L"hellp";
+ const wchar_t* c_string3 = L"hellod";
+ EXPECT_FALSE(wide_string == c_string1);
+ EXPECT_FALSE(wide_string == c_string2);
+ EXPECT_FALSE(wide_string == c_string3);
+ EXPECT_FALSE(c_string1 == wide_string);
+ EXPECT_FALSE(c_string2 == wide_string);
+ EXPECT_FALSE(c_string3 == wide_string);
+}
+
+TEST(fxcrt, WideStringOperatorNE) {
+ CFX_WideString null_string;
+ EXPECT_FALSE(null_string != null_string);
+
+ CFX_WideString empty_string(L"");
+ EXPECT_FALSE(empty_string != empty_string);
+ EXPECT_FALSE(empty_string != null_string);
+ EXPECT_FALSE(null_string != empty_string);
+
+ CFX_WideString deleted_string(L"hello");
+ deleted_string.Delete(0, 5);
+ EXPECT_FALSE(deleted_string != deleted_string);
+ EXPECT_FALSE(deleted_string != null_string);
+ EXPECT_FALSE(deleted_string != empty_string);
+ EXPECT_FALSE(null_string != deleted_string);
+ EXPECT_FALSE(null_string != empty_string);
+
+ CFX_WideString wide_string(L"hello");
+ EXPECT_FALSE(wide_string != wide_string);
+ EXPECT_TRUE(wide_string != null_string);
+ EXPECT_TRUE(wide_string != empty_string);
+ EXPECT_TRUE(wide_string != deleted_string);
+ EXPECT_TRUE(null_string != wide_string);
+ EXPECT_TRUE(empty_string != wide_string);
+ EXPECT_TRUE(deleted_string != wide_string);
+
+ CFX_WideString wide_string_same1(L"hello");
+ EXPECT_FALSE(wide_string != wide_string_same1);
+ EXPECT_FALSE(wide_string_same1 != wide_string);
+
+ CFX_WideString wide_string_same2(wide_string);
+ EXPECT_FALSE(wide_string != wide_string_same2);
+ EXPECT_FALSE(wide_string_same2 != wide_string);
+
+ CFX_WideString wide_string1(L"he");
+ CFX_WideString wide_string2(L"hellp");
+ CFX_WideString wide_string3(L"hellod");
+ EXPECT_TRUE(wide_string != wide_string1);
+ EXPECT_TRUE(wide_string != wide_string2);
+ EXPECT_TRUE(wide_string != wide_string3);
+ EXPECT_TRUE(wide_string1 != wide_string);
+ EXPECT_TRUE(wide_string2 != wide_string);
+ EXPECT_TRUE(wide_string3 != wide_string);
+
+ CFX_WideStringC null_string_c;
+ CFX_WideStringC empty_string_c(L"");
+ EXPECT_FALSE(null_string != null_string_c);
+ EXPECT_FALSE(null_string != empty_string_c);
+ EXPECT_FALSE(empty_string != null_string_c);
+ EXPECT_FALSE(empty_string != empty_string_c);
+ EXPECT_FALSE(deleted_string != null_string_c);
+ EXPECT_FALSE(deleted_string != empty_string_c);
+ EXPECT_FALSE(null_string_c != null_string);
+ EXPECT_FALSE(empty_string_c != null_string);
+ EXPECT_FALSE(null_string_c != empty_string);
+ EXPECT_FALSE(empty_string_c != empty_string);
+
+ CFX_WideStringC wide_string_c_same1(L"hello");
+ EXPECT_FALSE(wide_string != wide_string_c_same1);
+ EXPECT_FALSE(wide_string_c_same1 != wide_string);
+
+ CFX_WideStringC wide_string_c1(L"he");
+ CFX_WideStringC wide_string_c2(L"hellp");
+ CFX_WideStringC wide_string_c3(L"hellod");
+ EXPECT_TRUE(wide_string != wide_string_c1);
+ EXPECT_TRUE(wide_string != wide_string_c2);
+ EXPECT_TRUE(wide_string != wide_string_c3);
+ EXPECT_TRUE(wide_string_c1 != wide_string);
+ EXPECT_TRUE(wide_string_c2 != wide_string);
+ EXPECT_TRUE(wide_string_c3 != wide_string);
+
+ const wchar_t* c_null_string = nullptr;
+ const wchar_t* c_empty_string = L"";
+ EXPECT_FALSE(null_string != c_null_string);
+ EXPECT_FALSE(null_string != c_empty_string);
+ EXPECT_FALSE(empty_string != c_null_string);
+ EXPECT_FALSE(empty_string != c_empty_string);
+ EXPECT_FALSE(deleted_string != c_null_string);
+ EXPECT_FALSE(deleted_string != c_empty_string);
+ EXPECT_FALSE(c_null_string != null_string);
+ EXPECT_FALSE(c_empty_string != null_string);
+ EXPECT_FALSE(c_null_string != empty_string);
+ EXPECT_FALSE(c_empty_string != empty_string);
+ EXPECT_FALSE(c_null_string != deleted_string);
+ EXPECT_FALSE(c_empty_string != deleted_string);
+
+ const wchar_t* c_string_same1 = L"hello";
+ EXPECT_FALSE(wide_string != c_string_same1);
+ EXPECT_FALSE(c_string_same1 != wide_string);
+
+ const wchar_t* c_string1 = L"he";
+ const wchar_t* c_string2 = L"hellp";
+ const wchar_t* c_string3 = L"hellod";
+ EXPECT_TRUE(wide_string != c_string1);
+ EXPECT_TRUE(wide_string != c_string2);
+ EXPECT_TRUE(wide_string != c_string3);
+ EXPECT_TRUE(c_string1 != wide_string);
+ EXPECT_TRUE(c_string2 != wide_string);
+ EXPECT_TRUE(c_string3 != wide_string);
+}
+
+TEST(fxcrt, WideStringConcatInPlace) {
+ CFX_WideString fred;
+ fred.Concat(L"FRED", 4);
+ EXPECT_EQ(L"FRED", fred);
+
+ fred.Concat(L"DY", 2);
+ EXPECT_EQ(L"FREDDY", fred);
+
+ fred.Delete(3, 3);
+ EXPECT_EQ(L"FRE", fred);
+
+ fred.Concat(L"D", 1);
+ EXPECT_EQ(L"FRED", fred);
+
+ CFX_WideString copy = fred;
+ fred.Concat(L"DY", 2);
+ EXPECT_EQ(L"FREDDY", fred);
+ EXPECT_EQ(L"FRED", copy);
+
+ // Test invalid arguments.
+ copy = fred;
+ fred.Concat(L"freddy", -6);
+ CFX_WideString not_aliased(L"xxxxxx");
+ EXPECT_EQ(L"FREDDY", fred);
+ EXPECT_EQ(L"xxxxxx", not_aliased);
+}
+
+TEST(fxcrt, WideStringRemove) {
+ CFX_WideString freed(L"FREED");
+ freed.Remove(L'E');
+ EXPECT_EQ(L"FRD", freed);
+ freed.Remove(L'F');
+ EXPECT_EQ(L"RD", freed);
+ freed.Remove(L'D');
+ EXPECT_EQ(L"R", freed);
+ freed.Remove(L'X');
+ EXPECT_EQ(L"R", freed);
+ freed.Remove(L'R');
+ EXPECT_EQ(L"", freed);
+
+ CFX_WideString empty;
+ empty.Remove(L'X');
+ EXPECT_EQ(L"", empty);
+}
+
+TEST(fxcrt, WideStringRemoveCopies) {
+ CFX_WideString freed(L"FREED");
+ const wchar_t* old_buffer = freed.c_str();
+
+ // No change with single reference - no copy.
+ freed.Remove(L'Q');
+ EXPECT_EQ(L"FREED", freed);
+ EXPECT_EQ(old_buffer, freed.c_str());
+
+ // Change with single reference - no copy.
+ freed.Remove(L'E');
+ EXPECT_EQ(L"FRD", freed);
+ EXPECT_EQ(old_buffer, freed.c_str());
+
+ // No change with multiple references - no copy.
+ CFX_WideString shared(freed);
+ freed.Remove(L'Q');
+ EXPECT_EQ(L"FRD", freed);
+ EXPECT_EQ(old_buffer, freed.c_str());
+ EXPECT_EQ(old_buffer, shared.c_str());
+
+ // Change with multiple references -- must copy.
+ freed.Remove(L'D');
+ EXPECT_EQ(L"FR", freed);
+ EXPECT_NE(old_buffer, freed.c_str());
+ EXPECT_EQ(L"FRD", shared);
+ EXPECT_EQ(old_buffer, shared.c_str());
+}
+
+TEST(fxcrt, WideStringReplace) {
+ CFX_WideString fred(L"FRED");
+ fred.Replace(L"FR", L"BL");
+ EXPECT_EQ(L"BLED", fred);
+ fred.Replace(L"D", L"DDY");
+ EXPECT_EQ(L"BLEDDY", fred);
+ fred.Replace(L"LEDD", L"");
+ EXPECT_EQ(L"BY", fred);
+ fred.Replace(L"X", L"CLAMS");
+ EXPECT_EQ(L"BY", fred);
+ fred.Replace(L"BY", L"HI");
+ EXPECT_EQ(L"HI", fred);
+ fred.Replace(L"", L"CLAMS");
+ EXPECT_EQ(L"HI", fred);
+ fred.Replace(L"HI", L"");
+ EXPECT_EQ(L"", fred);
+}
+
+TEST(fxcrt, WideStringInsert) {
+ CFX_WideString fred(L"FRED");
+ fred.Insert(-1, 'X');
+ EXPECT_EQ(L"XFRED", fred);
+
+ fred.Insert(0, 'S');
+ EXPECT_EQ(L"SXFRED", fred);
+
+ fred.Insert(2, 'T');
+ EXPECT_EQ(L"SXTFRED", fred);
+
+ fred.Insert(5, 'U');
+ EXPECT_EQ(L"SXTFRUED", fred);
+
+ fred.Insert(8, 'V');
+ EXPECT_EQ(L"SXTFRUEDV", fred);
+
+ fred.Insert(12, 'P');
+ EXPECT_EQ(L"SXTFRUEDVP", fred);
+
+ {
+ CFX_WideString empty;
+ empty.Insert(-1, 'X');
+ EXPECT_EQ(L"X", empty);
+ }
+ {
+ CFX_WideString empty;
+ empty.Insert(0, 'X');
+ EXPECT_EQ(L"X", empty);
+ }
+ {
+ CFX_WideString empty;
+ empty.Insert(5, 'X');
+ EXPECT_EQ(L"X", empty);
+ }
+}
+
+TEST(fxcrt, WideStringDelete) {
+ CFX_WideString fred(L"FRED");
+ fred.Delete(0, 2);
+ EXPECT_EQ(L"ED", fred);
+ fred.Delete(1);
+ EXPECT_EQ(L"E", fred);
+ fred.Delete(-1);
+ EXPECT_EQ(L"", fred);
+ fred.Delete(1);
+ EXPECT_EQ(L"", fred);
+
+ CFX_WideString empty;
+ empty.Delete(0);
+ EXPECT_EQ(L"", empty);
+ empty.Delete(-1);
+ EXPECT_EQ(L"", empty);
+ empty.Delete(1);
+ EXPECT_EQ(L"", empty);
+}
+
+TEST(fxcrt, WideStringMid) {
+ CFX_WideString fred(L"FRED");
+ EXPECT_EQ(L"", fred.Mid(0, 0));
+ EXPECT_EQ(L"", fred.Mid(3, 0));
+ EXPECT_EQ(L"FRED", fred.Mid(0));
+ EXPECT_EQ(L"RED", fred.Mid(1));
+ EXPECT_EQ(L"ED", fred.Mid(2));
+ EXPECT_EQ(L"D", fred.Mid(3));
+ EXPECT_EQ(L"F", fred.Mid(0, 1));
+ EXPECT_EQ(L"R", fred.Mid(1, 1));
+ EXPECT_EQ(L"E", fred.Mid(2, 1));
+ EXPECT_EQ(L"D", fred.Mid(3, 1));
+ EXPECT_EQ(L"FR", fred.Mid(0, 2));
+ EXPECT_EQ(L"FRED", fred.Mid(0, 4));
+ EXPECT_EQ(L"FRED", fred.Mid(0, 10));
+
+ EXPECT_EQ(L"FR", fred.Mid(-1, 2));
+ EXPECT_EQ(L"RED", fred.Mid(1, 4));
+ EXPECT_EQ(L"", fred.Mid(4, 1));
+
+ CFX_WideString empty;
+ EXPECT_EQ(L"", empty.Mid(0, 0));
+ EXPECT_EQ(L"", empty.Mid(0));
+ EXPECT_EQ(L"", empty.Mid(1));
+ EXPECT_EQ(L"", empty.Mid(-1));
+}
+
+TEST(fxcrt, WideStringLeft) {
+ CFX_WideString fred(L"FRED");
+ EXPECT_EQ(L"", fred.Left(0));
+ EXPECT_EQ(L"F", fred.Left(1));
+ EXPECT_EQ(L"FR", fred.Left(2));
+ EXPECT_EQ(L"FRE", fred.Left(3));
+ EXPECT_EQ(L"FRED", fred.Left(4));
+
+ EXPECT_EQ(L"FRED", fred.Left(5));
+ EXPECT_EQ(L"", fred.Left(-1));
+
+ CFX_WideString empty;
+ EXPECT_EQ(L"", empty.Left(0));
+ EXPECT_EQ(L"", empty.Left(1));
+ EXPECT_EQ(L"", empty.Left(-1));
+}
+
+TEST(fxcrt, WideStringRight) {
+ CFX_WideString fred(L"FRED");
+ EXPECT_EQ(L"", fred.Right(0));
+ EXPECT_EQ(L"D", fred.Right(1));
+ EXPECT_EQ(L"ED", fred.Right(2));
+ EXPECT_EQ(L"RED", fred.Right(3));
+ EXPECT_EQ(L"FRED", fred.Right(4));
+
+ EXPECT_EQ(L"FRED", fred.Right(5));
+ EXPECT_EQ(L"", fred.Right(-1));
+
+ CFX_WideString empty;
+ EXPECT_EQ(L"", empty.Right(0));
+ EXPECT_EQ(L"", empty.Right(1));
+ EXPECT_EQ(L"", empty.Right(-1));
+}
+
+TEST(fxcrt, WideStringUpperLower) {
+ CFX_WideString fred(L"F-Re.42D");
+ fred.MakeLower();
+ EXPECT_EQ(L"f-re.42d", fred);
+ fred.MakeUpper();
+ EXPECT_EQ(L"F-RE.42D", fred);
+
+ CFX_WideString empty;
+ empty.MakeLower();
+ EXPECT_EQ(L"", empty);
+ empty.MakeUpper();
+ EXPECT_EQ(L"", empty);
+}
+
+TEST(fxcrt, WideStringTrimRight) {
+ CFX_WideString fred(L" FRED ");
+ fred.TrimRight();
+ EXPECT_EQ(L" FRED", fred);
+ fred.TrimRight(L'E');
+ EXPECT_EQ(L" FRED", fred);
+ fred.TrimRight(L'D');
+ EXPECT_EQ(L" FRE", fred);
+ fred.TrimRight(L"ERP");
+ EXPECT_EQ(L" F", fred);
+
+ CFX_WideString blank(L" ");
+ blank.TrimRight(L"ERP");
+ EXPECT_EQ(L" ", blank);
+ blank.TrimRight(L'E');
+ EXPECT_EQ(L" ", blank);
+ blank.TrimRight();
+ EXPECT_EQ(L"", blank);
+
+ CFX_WideString empty;
+ empty.TrimRight(L"ERP");
+ EXPECT_EQ(L"", empty);
+ empty.TrimRight(L'E');
+ EXPECT_EQ(L"", empty);
+ empty.TrimRight();
+ EXPECT_EQ(L"", empty);
+}
+
+TEST(fxcrt, WideStringTrimRightCopies) {
+ {
+ // With a single reference, no copy takes place.
+ CFX_WideString fred(L" FRED ");
+ const wchar_t* old_buffer = fred.c_str();
+ fred.TrimRight();
+ EXPECT_EQ(L" FRED", fred);
+ EXPECT_EQ(old_buffer, fred.c_str());
+ }
+ {
+ // With multiple references, we must copy.
+ CFX_WideString fred(L" FRED ");
+ CFX_WideString other_fred = fred;
+ const wchar_t* old_buffer = fred.c_str();
+ fred.TrimRight();
+ EXPECT_EQ(L" FRED", fred);
+ EXPECT_EQ(L" FRED ", other_fred);
+ EXPECT_NE(old_buffer, fred.c_str());
+ }
+ {
+ // With multiple references, but no modifications, no copy.
+ CFX_WideString fred(L"FRED");
+ CFX_WideString other_fred = fred;
+ const wchar_t* old_buffer = fred.c_str();
+ fred.TrimRight();
+ EXPECT_EQ(L"FRED", fred);
+ EXPECT_EQ(L"FRED", other_fred);
+ EXPECT_EQ(old_buffer, fred.c_str());
+ }
+}
+
+TEST(fxcrt, WideStringTrimLeft) {
+ CFX_WideString fred(L" FRED ");
+ fred.TrimLeft();
+ EXPECT_EQ(L"FRED ", fred);
+ fred.TrimLeft(L'E');
+ EXPECT_EQ(L"FRED ", fred);
+ fred.TrimLeft(L'F');
+ EXPECT_EQ(L"RED ", fred);
+ fred.TrimLeft(L"ERP");
+ EXPECT_EQ(L"D ", fred);
+
+ CFX_WideString blank(L" ");
+ blank.TrimLeft(L"ERP");
+ EXPECT_EQ(L" ", blank);
+ blank.TrimLeft(L'E');
+ EXPECT_EQ(L" ", blank);
+ blank.TrimLeft();
+ EXPECT_EQ(L"", blank);
+
+ CFX_WideString empty;
+ empty.TrimLeft(L"ERP");
+ EXPECT_EQ(L"", empty);
+ empty.TrimLeft(L'E');
+ EXPECT_EQ(L"", empty);
+ empty.TrimLeft();
+ EXPECT_EQ(L"", empty);
+}
+
+TEST(fxcrt, WideStringTrimLeftCopies) {
+ {
+ // With a single reference, no copy takes place.
+ CFX_WideString fred(L" FRED ");
+ const wchar_t* old_buffer = fred.c_str();
+ fred.TrimLeft();
+ EXPECT_EQ(L"FRED ", fred);
+ EXPECT_EQ(old_buffer, fred.c_str());
+ }
+ {
+ // With multiple references, we must copy.
+ CFX_WideString fred(L" FRED ");
+ CFX_WideString other_fred = fred;
+ const wchar_t* old_buffer = fred.c_str();
+ fred.TrimLeft();
+ EXPECT_EQ(L"FRED ", fred);
+ EXPECT_EQ(L" FRED ", other_fred);
+ EXPECT_NE(old_buffer, fred.c_str());
+ }
+ {
+ // With multiple references, but no modifications, no copy.
+ CFX_WideString fred(L"FRED");
+ CFX_WideString other_fred = fred;
+ const wchar_t* old_buffer = fred.c_str();
+ fred.TrimLeft();
+ EXPECT_EQ(L"FRED", fred);
+ EXPECT_EQ(L"FRED", other_fred);
+ EXPECT_EQ(old_buffer, fred.c_str());
+ }
+}
+
+TEST(fxcrt, WideStringReserve) {
+ {
+ CFX_WideString str;
+ str.Reserve(6);
+ const wchar_t* old_buffer = str.c_str();
+ str += L"ABCDEF";
+ EXPECT_EQ(old_buffer, str.c_str());
+ str += L"Blah Blah Blah Blah Blah Blah";
+ EXPECT_NE(old_buffer, str.c_str());
+ }
+ {
+ CFX_WideString str(L"A");
+ str.Reserve(6);
+ const wchar_t* old_buffer = str.c_str();
+ str += L"BCDEF";
+ EXPECT_EQ(old_buffer, str.c_str());
+ str += L"Blah Blah Blah Blah Blah Blah";
+ EXPECT_NE(old_buffer, str.c_str());
+ }
+}
+
+TEST(fxcrt, WideStringGetBuffer) {
+ {
+ CFX_WideString str;
+ wchar_t* buffer = str.GetBuffer(12);
+ wcscpy(buffer, L"clams");
+ str.ReleaseBuffer();
+ EXPECT_EQ(L"clams", str);
+ }
+ {
+ CFX_WideString str(L"cl");
+ wchar_t* buffer = str.GetBuffer(12);
+ wcscpy(buffer + 2, L"ams");
+ str.ReleaseBuffer();
+ EXPECT_EQ(L"clams", str);
+ }
+}
+
+TEST(fxcrt, WideStringReleaseBuffer) {
+ {
+ CFX_WideString str;
+ str.Reserve(12);
+ str += L"clams";
+ const wchar_t* old_buffer = str.c_str();
+ str.ReleaseBuffer(4);
+ EXPECT_EQ(old_buffer, str.c_str());
+ EXPECT_EQ(L"clam", str);
+ }
+ {
+ CFX_WideString str(L"c");
+ str.Reserve(12);
+ str += L"lams";
+ const wchar_t* old_buffer = str.c_str();
+ str.ReleaseBuffer(4);
+ EXPECT_EQ(old_buffer, str.c_str());
+ EXPECT_EQ(L"clam", str);
+ }
+ {
+ CFX_WideString str;
+ str.Reserve(200);
+ str += L"clams";
+ const wchar_t* old_buffer = str.c_str();
+ str.ReleaseBuffer(4);
+ EXPECT_NE(old_buffer, str.c_str());
+ EXPECT_EQ(L"clam", str);
+ }
+ {
+ CFX_WideString str(L"c");
+ str.Reserve(200);
+ str += L"lams";
+ const wchar_t* old_buffer = str.c_str();
+ str.ReleaseBuffer(4);
+ EXPECT_NE(old_buffer, str.c_str());
+ EXPECT_EQ(L"clam", str);
+ }
+}
+
+TEST(fxcrt, WideStringUTF16LE_Encode) {
+ struct UTF16LEEncodeCase {
+ CFX_WideString ws;
+ CFX_ByteString bs;
+ } utf16le_encode_cases[] = {
+ {L"", CFX_ByteString("\0\0", 2)},
+ {L"abc", CFX_ByteString("a\0b\0c\0\0\0", 8)},
+ {L"abcdef", CFX_ByteString("a\0b\0c\0d\0e\0f\0\0\0", 14)},
+ {L"abc\0def", CFX_ByteString("a\0b\0c\0\0\0", 8)},
+ {L"\xaabb\xccdd", CFX_ByteString("\xbb\xaa\xdd\xcc\0\0", 6)},
+ {L"\x3132\x6162", CFX_ByteString("\x32\x31\x62\x61\0\0", 6)},
+ };
+
+ for (size_t i = 0; i < FX_ArraySize(utf16le_encode_cases); ++i) {
+ EXPECT_EQ(utf16le_encode_cases[i].bs,
+ utf16le_encode_cases[i].ws.UTF16LE_Encode())
+ << " for case number " << i;
+ }
+}
+
+TEST(fxcrt, WideStringCOperatorSubscript) {
+ // CFX_WideStringC includes the NUL terminator for non-empty strings.
+ CFX_WideStringC abc(L"abc");
+ EXPECT_EQ(L'a', abc.CharAt(0));
+ EXPECT_EQ(L'b', abc.CharAt(1));
+ EXPECT_EQ(L'c', abc.CharAt(2));
+ EXPECT_EQ(L'\0', abc.CharAt(3));
+}
+
+TEST(fxcrt, WideStringCOperatorLT) {
+ CFX_WideStringC empty;
+ CFX_WideStringC a(L"a");
+ CFX_WideStringC abc(L"\x0110qq"); // Comes before despite endianness.
+ CFX_WideStringC def(L"\x1001qq"); // Comes after despite endianness.
+
+ EXPECT_FALSE(empty < empty);
+ EXPECT_FALSE(a < a);
+ EXPECT_FALSE(abc < abc);
+ EXPECT_FALSE(def < def);
+
+ EXPECT_TRUE(empty < a);
+ EXPECT_FALSE(a < empty);
+
+ EXPECT_TRUE(empty < abc);
+ EXPECT_FALSE(abc < empty);
+
+ EXPECT_TRUE(empty < def);
+ EXPECT_FALSE(def < empty);
+
+ EXPECT_TRUE(a < abc);
+ EXPECT_FALSE(abc < a);
+
+ EXPECT_TRUE(a < def);
+ EXPECT_FALSE(def < a);
+
+ EXPECT_TRUE(abc < def);
+ EXPECT_FALSE(def < abc);
+}
+
+TEST(fxcrt, WideStringCOperatorEQ) {
+ CFX_WideStringC wide_string_c(L"hello");
+ EXPECT_TRUE(wide_string_c == wide_string_c);
+
+ CFX_WideStringC wide_string_c_same1(L"hello");
+ EXPECT_TRUE(wide_string_c == wide_string_c_same1);
+ EXPECT_TRUE(wide_string_c_same1 == wide_string_c);
+
+ CFX_WideStringC wide_string_c_same2(wide_string_c);
+ EXPECT_TRUE(wide_string_c == wide_string_c_same2);
+ EXPECT_TRUE(wide_string_c_same2 == wide_string_c);
+
+ CFX_WideStringC wide_string_c1(L"he");
+ CFX_WideStringC wide_string_c2(L"hellp");
+ CFX_WideStringC wide_string_c3(L"hellod");
+ EXPECT_FALSE(wide_string_c == wide_string_c1);
+ EXPECT_FALSE(wide_string_c == wide_string_c2);
+ EXPECT_FALSE(wide_string_c == wide_string_c3);
+ EXPECT_FALSE(wide_string_c1 == wide_string_c);
+ EXPECT_FALSE(wide_string_c2 == wide_string_c);
+ EXPECT_FALSE(wide_string_c3 == wide_string_c);
+
+ CFX_WideString wide_string_same1(L"hello");
+ EXPECT_TRUE(wide_string_c == wide_string_same1);
+ EXPECT_TRUE(wide_string_same1 == wide_string_c);
+
+ CFX_WideString wide_string1(L"he");
+ CFX_WideString wide_string2(L"hellp");
+ CFX_WideString wide_string3(L"hellod");
+ EXPECT_FALSE(wide_string_c == wide_string1);
+ EXPECT_FALSE(wide_string_c == wide_string2);
+ EXPECT_FALSE(wide_string_c == wide_string3);
+ EXPECT_FALSE(wide_string1 == wide_string_c);
+ EXPECT_FALSE(wide_string2 == wide_string_c);
+ EXPECT_FALSE(wide_string3 == wide_string_c);
+
+ const wchar_t* c_string_same1 = L"hello";
+ EXPECT_TRUE(wide_string_c == c_string_same1);
+ EXPECT_TRUE(c_string_same1 == wide_string_c);
+
+ const wchar_t* c_string1 = L"he";
+ const wchar_t* c_string2 = L"hellp";
+ const wchar_t* c_string3 = L"hellod";
+ EXPECT_FALSE(wide_string_c == c_string1);
+ EXPECT_FALSE(wide_string_c == c_string2);
+ EXPECT_FALSE(wide_string_c == c_string3);
+
+ EXPECT_FALSE(c_string1 == wide_string_c);
+ EXPECT_FALSE(c_string2 == wide_string_c);
+ EXPECT_FALSE(c_string3 == wide_string_c);
+}
+
+TEST(fxcrt, WideStringCOperatorNE) {
+ CFX_WideStringC wide_string_c(L"hello");
+ EXPECT_FALSE(wide_string_c != wide_string_c);
+
+ CFX_WideStringC wide_string_c_same1(L"hello");
+ EXPECT_FALSE(wide_string_c != wide_string_c_same1);
+ EXPECT_FALSE(wide_string_c_same1 != wide_string_c);
+
+ CFX_WideStringC wide_string_c_same2(wide_string_c);
+ EXPECT_FALSE(wide_string_c != wide_string_c_same2);
+ EXPECT_FALSE(wide_string_c_same2 != wide_string_c);
+
+ CFX_WideStringC wide_string_c1(L"he");
+ CFX_WideStringC wide_string_c2(L"hellp");
+ CFX_WideStringC wide_string_c3(L"hellod");
+ EXPECT_TRUE(wide_string_c != wide_string_c1);
+ EXPECT_TRUE(wide_string_c != wide_string_c2);
+ EXPECT_TRUE(wide_string_c != wide_string_c3);
+ EXPECT_TRUE(wide_string_c1 != wide_string_c);
+ EXPECT_TRUE(wide_string_c2 != wide_string_c);
+ EXPECT_TRUE(wide_string_c3 != wide_string_c);
+
+ CFX_WideString wide_string_same1(L"hello");
+ EXPECT_FALSE(wide_string_c != wide_string_same1);
+ EXPECT_FALSE(wide_string_same1 != wide_string_c);
+
+ CFX_WideString wide_string1(L"he");
+ CFX_WideString wide_string2(L"hellp");
+ CFX_WideString wide_string3(L"hellod");
+ EXPECT_TRUE(wide_string_c != wide_string1);
+ EXPECT_TRUE(wide_string_c != wide_string2);
+ EXPECT_TRUE(wide_string_c != wide_string3);
+ EXPECT_TRUE(wide_string1 != wide_string_c);
+ EXPECT_TRUE(wide_string2 != wide_string_c);
+ EXPECT_TRUE(wide_string3 != wide_string_c);
+
+ const wchar_t* c_string_same1 = L"hello";
+ EXPECT_FALSE(wide_string_c != c_string_same1);
+ EXPECT_FALSE(c_string_same1 != wide_string_c);
+
+ const wchar_t* c_string1 = L"he";
+ const wchar_t* c_string2 = L"hellp";
+ const wchar_t* c_string3 = L"hellod";
+ EXPECT_TRUE(wide_string_c != c_string1);
+ EXPECT_TRUE(wide_string_c != c_string2);
+ EXPECT_TRUE(wide_string_c != c_string3);
+
+ EXPECT_TRUE(c_string1 != wide_string_c);
+ EXPECT_TRUE(c_string2 != wide_string_c);
+ EXPECT_TRUE(c_string3 != wide_string_c);
+}
+
+TEST(fxcrt, WideStringCFind) {
+ CFX_WideStringC null_string;
+ EXPECT_EQ(-1, null_string.Find(L'a'));
+ EXPECT_EQ(-1, null_string.Find(0));
+
+ CFX_WideStringC empty_string(L"");
+ EXPECT_EQ(-1, empty_string.Find(L'a'));
+ EXPECT_EQ(-1, empty_string.Find(0));
+
+ CFX_WideStringC single_string(L"a");
+ EXPECT_EQ(0, single_string.Find(L'a'));
+ EXPECT_EQ(-1, single_string.Find(L'b'));
+ EXPECT_EQ(-1, single_string.Find(0));
+
+ CFX_WideStringC longer_string(L"abccc");
+ EXPECT_EQ(0, longer_string.Find(L'a'));
+ EXPECT_EQ(2, longer_string.Find(L'c'));
+ EXPECT_EQ(-1, longer_string.Find(0));
+
+ CFX_WideStringC hibyte_string(
+ L"ab\xff08"
+ L"def");
+ EXPECT_EQ(2, hibyte_string.Find(L'\xff08'));
+}
+
+TEST(fxcrt, WideStringFormatWidth) {
+ {
+ CFX_WideString str;
+ str.Format(L"%5d", 1);
+ EXPECT_EQ(L" 1", str);
+ }
+
+ {
+ CFX_WideString str;
+ str.Format(L"%d", 1);
+ EXPECT_EQ(L"1", str);
+ }
+
+ {
+ CFX_WideString str;
+ str.Format(L"%*d", 5, 1);
+ EXPECT_EQ(L" 1", str);
+ }
+
+ {
+ CFX_WideString str;
+ str.Format(L"%-1d", 1);
+ EXPECT_EQ(L"1", str);
+ }
+
+ {
+ CFX_WideString str;
+ str.Format(L"%0d", 1);
+ EXPECT_EQ(L"1", str);
+ }
+
+ {
+ CFX_WideString str;
+ str.Format(L"%1048576d", 1);
+ EXPECT_EQ(L"", str);
+ }
+}
+
+TEST(fxcrt, WideStringFormatPrecision) {
+ {
+ CFX_WideString str;
+ str.Format(L"%.2f", 1.12345);
+ EXPECT_EQ(L"1.12", str);
+ }
+
+ {
+ CFX_WideString str;
+ str.Format(L"%.*f", 3, 1.12345);
+ EXPECT_EQ(L"1.123", str);
+ }
+
+ {
+ CFX_WideString str;
+ str.Format(L"%f", 1.12345);
+ EXPECT_EQ(L"1.123450", str);
+ }
+
+ {
+ CFX_WideString str;
+ str.Format(L"%-1f", 1.12345);
+ EXPECT_EQ(L"1.123450", str);
+ }
+
+ {
+ CFX_WideString str;
+ str.Format(L"%0f", 1.12345);
+ EXPECT_EQ(L"1.123450", str);
+ }
+
+ {
+ CFX_WideString str;
+ str.Format(L"%.1048576f", 1.2);
+ EXPECT_EQ(L"", str);
+ }
+}
+
+TEST(fxcrt, EmptyWideString) {
+ CFX_WideString empty_str;
+ EXPECT_TRUE(empty_str.IsEmpty());
+ EXPECT_EQ(0, empty_str.GetLength());
+ const wchar_t* cstr = empty_str.c_str();
+ EXPECT_EQ(0, FXSYS_wcslen(cstr));
+}