diff options
Diffstat (limited to 'core/fxcrt/cfx_bytestring_unittest.cpp')
| -rw-r--r-- | core/fxcrt/cfx_bytestring_unittest.cpp | 1091 |
1 files changed, 1091 insertions, 0 deletions
diff --git a/core/fxcrt/cfx_bytestring_unittest.cpp b/core/fxcrt/cfx_bytestring_unittest.cpp new file mode 100644 index 0000000000..4f2691c404 --- /dev/null +++ b/core/fxcrt/cfx_bytestring_unittest.cpp @@ -0,0 +1,1091 @@ +// 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_bytestring.h" + +#include "testing/fx_string_testhelpers.h" +#include "testing/gtest/include/gtest/gtest.h" + +TEST(fxcrt, ByteStringOperatorSubscript) { + // CFX_ByteString includes the NUL terminator for non-empty strings. + CFX_ByteString abc("abc"); + EXPECT_EQ('a', abc[0]); + EXPECT_EQ('b', abc[1]); + EXPECT_EQ('c', abc[2]); + EXPECT_EQ(0, abc[3]); +} + +TEST(fxcrt, ByteStringOperatorLT) { + CFX_ByteString empty; + CFX_ByteString a("a"); + CFX_ByteString abc("abc"); + CFX_ByteString def("def"); + + 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, ByteStringOperatorEQ) { + CFX_ByteString null_string; + EXPECT_TRUE(null_string == null_string); + + CFX_ByteString empty_string(""); + EXPECT_TRUE(empty_string == empty_string); + EXPECT_TRUE(empty_string == null_string); + EXPECT_TRUE(null_string == empty_string); + + CFX_ByteString deleted_string("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(empty_string == deleted_string); + + CFX_ByteString byte_string("hello"); + EXPECT_TRUE(byte_string == byte_string); + EXPECT_FALSE(byte_string == null_string); + EXPECT_FALSE(byte_string == empty_string); + EXPECT_FALSE(byte_string == deleted_string); + EXPECT_FALSE(null_string == byte_string); + EXPECT_FALSE(empty_string == byte_string); + EXPECT_FALSE(deleted_string == byte_string); + + CFX_ByteString byte_string_same1("hello"); + EXPECT_TRUE(byte_string == byte_string_same1); + EXPECT_TRUE(byte_string_same1 == byte_string); + + CFX_ByteString byte_string_same2(byte_string); + EXPECT_TRUE(byte_string == byte_string_same2); + EXPECT_TRUE(byte_string_same2 == byte_string); + + CFX_ByteString byte_string1("he"); + CFX_ByteString byte_string2("hellp"); + CFX_ByteString byte_string3("hellod"); + EXPECT_FALSE(byte_string == byte_string1); + EXPECT_FALSE(byte_string == byte_string2); + EXPECT_FALSE(byte_string == byte_string3); + EXPECT_FALSE(byte_string1 == byte_string); + EXPECT_FALSE(byte_string2 == byte_string); + EXPECT_FALSE(byte_string3 == byte_string); + + CFX_ByteStringC null_string_c; + CFX_ByteStringC empty_string_c(""); + 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_ByteStringC byte_string_c_same1("hello"); + EXPECT_TRUE(byte_string == byte_string_c_same1); + EXPECT_TRUE(byte_string_c_same1 == byte_string); + + CFX_ByteStringC byte_string_c1("he"); + CFX_ByteStringC byte_string_c2("hellp"); + CFX_ByteStringC byte_string_c3("hellod"); + EXPECT_FALSE(byte_string == byte_string_c1); + EXPECT_FALSE(byte_string == byte_string_c2); + EXPECT_FALSE(byte_string == byte_string_c3); + EXPECT_FALSE(byte_string_c1 == byte_string); + EXPECT_FALSE(byte_string_c2 == byte_string); + EXPECT_FALSE(byte_string_c3 == byte_string); + + const char* c_null_string = nullptr; + const char* c_empty_string = ""; + 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 char* c_string_same1 = "hello"; + EXPECT_TRUE(byte_string == c_string_same1); + EXPECT_TRUE(c_string_same1 == byte_string); + + const char* c_string1 = "he"; + const char* c_string2 = "hellp"; + const char* c_string3 = "hellod"; + EXPECT_FALSE(byte_string == c_string1); + EXPECT_FALSE(byte_string == c_string2); + EXPECT_FALSE(byte_string == c_string3); + EXPECT_FALSE(c_string1 == byte_string); + EXPECT_FALSE(c_string2 == byte_string); + EXPECT_FALSE(c_string3 == byte_string); +} + +TEST(fxcrt, ByteStringOperatorNE) { + CFX_ByteString null_string; + EXPECT_FALSE(null_string != null_string); + + CFX_ByteString empty_string(""); + EXPECT_FALSE(empty_string != empty_string); + EXPECT_FALSE(empty_string != null_string); + EXPECT_FALSE(null_string != empty_string); + + CFX_ByteString deleted_string("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(deleted_string != deleted_string); + EXPECT_FALSE(null_string != deleted_string); + EXPECT_FALSE(empty_string != deleted_string); + EXPECT_FALSE(deleted_string != deleted_string); + + CFX_ByteString byte_string("hello"); + EXPECT_FALSE(byte_string != byte_string); + EXPECT_TRUE(byte_string != null_string); + EXPECT_TRUE(byte_string != empty_string); + EXPECT_TRUE(byte_string != deleted_string); + EXPECT_TRUE(null_string != byte_string); + EXPECT_TRUE(empty_string != byte_string); + EXPECT_TRUE(deleted_string != byte_string); + + CFX_ByteString byte_string_same1("hello"); + EXPECT_FALSE(byte_string != byte_string_same1); + EXPECT_FALSE(byte_string_same1 != byte_string); + + CFX_ByteString byte_string_same2(byte_string); + EXPECT_FALSE(byte_string != byte_string_same2); + EXPECT_FALSE(byte_string_same2 != byte_string); + + CFX_ByteString byte_string1("he"); + CFX_ByteString byte_string2("hellp"); + CFX_ByteString byte_string3("hellod"); + EXPECT_TRUE(byte_string != byte_string1); + EXPECT_TRUE(byte_string != byte_string2); + EXPECT_TRUE(byte_string != byte_string3); + EXPECT_TRUE(byte_string1 != byte_string); + EXPECT_TRUE(byte_string2 != byte_string); + EXPECT_TRUE(byte_string3 != byte_string); + + CFX_ByteStringC null_string_c; + CFX_ByteStringC empty_string_c(""); + 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(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_ByteStringC byte_string_c_same1("hello"); + EXPECT_FALSE(byte_string != byte_string_c_same1); + EXPECT_FALSE(byte_string_c_same1 != byte_string); + + CFX_ByteStringC byte_string_c1("he"); + CFX_ByteStringC byte_string_c2("hellp"); + CFX_ByteStringC byte_string_c3("hellod"); + EXPECT_TRUE(byte_string != byte_string_c1); + EXPECT_TRUE(byte_string != byte_string_c2); + EXPECT_TRUE(byte_string != byte_string_c3); + EXPECT_TRUE(byte_string_c1 != byte_string); + EXPECT_TRUE(byte_string_c2 != byte_string); + EXPECT_TRUE(byte_string_c3 != byte_string); + + const char* c_null_string = nullptr; + const char* c_empty_string = ""; + 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 char* c_string_same1 = "hello"; + EXPECT_FALSE(byte_string != c_string_same1); + EXPECT_FALSE(c_string_same1 != byte_string); + + const char* c_string1 = "he"; + const char* c_string2 = "hellp"; + const char* c_string3 = "hellod"; + EXPECT_TRUE(byte_string != c_string1); + EXPECT_TRUE(byte_string != c_string2); + EXPECT_TRUE(byte_string != c_string3); + EXPECT_TRUE(c_string1 != byte_string); + EXPECT_TRUE(c_string2 != byte_string); + EXPECT_TRUE(c_string3 != byte_string); +} + +TEST(fxcrt, ByteStringCNull) { + CFX_ByteStringC null_string; + EXPECT_FALSE(null_string.raw_str()); + EXPECT_EQ(null_string.GetLength(), 0); + EXPECT_TRUE(null_string.IsEmpty()); + + CFX_ByteStringC another_null_string; + EXPECT_EQ(null_string, another_null_string); + + CFX_ByteStringC copied_null_string(null_string); + EXPECT_FALSE(copied_null_string.raw_str()); + EXPECT_EQ(copied_null_string.GetLength(), 0); + EXPECT_TRUE(copied_null_string.IsEmpty()); + EXPECT_EQ(null_string, copied_null_string); + + CFX_ByteStringC empty_string(""); // Pointer to NUL, not NULL pointer. + EXPECT_TRUE(empty_string.raw_str()); + EXPECT_EQ(empty_string.GetLength(), 0); + EXPECT_TRUE(empty_string.IsEmpty()); + EXPECT_EQ(null_string, empty_string); + + CFX_ByteStringC assigned_null_string("initially not nullptr"); + assigned_null_string = null_string; + EXPECT_FALSE(assigned_null_string.raw_str()); + EXPECT_EQ(assigned_null_string.GetLength(), 0); + EXPECT_TRUE(assigned_null_string.IsEmpty()); + EXPECT_EQ(null_string, assigned_null_string); + + CFX_ByteStringC assigned_nullptr_string("initially not nullptr"); + assigned_nullptr_string = (const char*)nullptr; + EXPECT_FALSE(assigned_nullptr_string.raw_str()); + EXPECT_EQ(assigned_nullptr_string.GetLength(), 0); + EXPECT_TRUE(assigned_nullptr_string.IsEmpty()); + EXPECT_EQ(null_string, assigned_nullptr_string); + + CFX_ByteStringC non_null_string("a"); + EXPECT_NE(null_string, non_null_string); +} + +TEST(fxcrt, ByteStringConcat) { + CFX_ByteString fred; + fred.Concat("FRED", 4); + EXPECT_EQ("FRED", fred); + + fred.Concat("DY", 2); + EXPECT_EQ("FREDDY", fred); + + fred.Delete(3, 3); + EXPECT_EQ("FRE", fred); + + fred.Concat("D", 1); + EXPECT_EQ("FRED", fred); + + CFX_ByteString copy = fred; + fred.Concat("DY", 2); + EXPECT_EQ("FREDDY", fred); + EXPECT_EQ("FRED", copy); + + // Test invalid arguments. + copy = fred; + fred.Concat("freddy", -6); + CFX_ByteString not_aliased("xxxxxx"); + EXPECT_EQ("FREDDY", fred); + EXPECT_EQ("xxxxxx", not_aliased); +} + +TEST(fxcrt, ByteStringRemove) { + CFX_ByteString freed("FREED"); + freed.Remove('E'); + EXPECT_EQ("FRD", freed); + freed.Remove('F'); + EXPECT_EQ("RD", freed); + freed.Remove('D'); + EXPECT_EQ("R", freed); + freed.Remove('X'); + EXPECT_EQ("R", freed); + freed.Remove('R'); + EXPECT_EQ("", freed); + + CFX_ByteString empty; + empty.Remove('X'); + EXPECT_EQ("", empty); +} + +TEST(fxcrt, ByteStringRemoveCopies) { + CFX_ByteString freed("FREED"); + const char* old_buffer = freed.c_str(); + + // No change with single reference - no copy. + freed.Remove('Q'); + EXPECT_EQ("FREED", freed); + EXPECT_EQ(old_buffer, freed.c_str()); + + // Change with single reference - no copy. + freed.Remove('E'); + EXPECT_EQ("FRD", freed); + EXPECT_EQ(old_buffer, freed.c_str()); + + // No change with multiple references - no copy. + CFX_ByteString shared(freed); + freed.Remove('Q'); + EXPECT_EQ("FRD", freed); + EXPECT_EQ(old_buffer, freed.c_str()); + EXPECT_EQ(old_buffer, shared.c_str()); + + // Change with multiple references -- must copy. + freed.Remove('D'); + EXPECT_EQ("FR", freed); + EXPECT_NE(old_buffer, freed.c_str()); + EXPECT_EQ("FRD", shared); + EXPECT_EQ(old_buffer, shared.c_str()); +} + +TEST(fxcrt, ByteStringReplace) { + CFX_ByteString fred("FRED"); + fred.Replace("FR", "BL"); + EXPECT_EQ("BLED", fred); + fred.Replace("D", "DDY"); + EXPECT_EQ("BLEDDY", fred); + fred.Replace("LEDD", ""); + EXPECT_EQ("BY", fred); + fred.Replace("X", "CLAMS"); + EXPECT_EQ("BY", fred); + fred.Replace("BY", "HI"); + EXPECT_EQ("HI", fred); + fred.Replace("", "CLAMS"); + EXPECT_EQ("HI", fred); + fred.Replace("HI", ""); + EXPECT_EQ("", fred); +} + +TEST(fxcrt, ByteStringInsert) { + CFX_ByteString fred("FRED"); + fred.Insert(-1, 'X'); + EXPECT_EQ("XFRED", fred); + fred.Insert(0, 'S'); + EXPECT_EQ("SXFRED", fred); + fred.Insert(2, 'T'); + EXPECT_EQ("SXTFRED", fred); + fred.Insert(5, 'U'); + EXPECT_EQ("SXTFRUED", fred); + fred.Insert(8, 'V'); + EXPECT_EQ("SXTFRUEDV", fred); + fred.Insert(12, 'P'); + EXPECT_EQ("SXTFRUEDVP", fred); + { + CFX_ByteString empty; + empty.Insert(-1, 'X'); + EXPECT_EQ("X", empty); + } + { + CFX_ByteString empty; + empty.Insert(0, 'X'); + EXPECT_EQ("X", empty); + } + { + CFX_ByteString empty; + empty.Insert(5, 'X'); + EXPECT_EQ("X", empty); + } +} + +TEST(fxcrt, ByteStringDelete) { + CFX_ByteString fred("FRED"); + fred.Delete(0, 2); + EXPECT_EQ("ED", fred); + fred.Delete(1); + EXPECT_EQ("E", fred); + fred.Delete(-1); + EXPECT_EQ("", fred); + fred.Delete(1); + EXPECT_EQ("", fred); + + CFX_ByteString empty; + empty.Delete(0); + EXPECT_EQ("", empty); + empty.Delete(-1); + EXPECT_EQ("", empty); + empty.Delete(1); + EXPECT_EQ("", empty); +} + +TEST(fxcrt, ByteStringMid) { + CFX_ByteString fred("FRED"); + EXPECT_EQ("", fred.Mid(0, 0)); + EXPECT_EQ("", fred.Mid(3, 0)); + EXPECT_EQ("FRED", fred.Mid(0)); + EXPECT_EQ("RED", fred.Mid(1)); + EXPECT_EQ("ED", fred.Mid(2)); + EXPECT_EQ("D", fred.Mid(3)); + EXPECT_EQ("F", fred.Mid(0, 1)); + EXPECT_EQ("R", fred.Mid(1, 1)); + EXPECT_EQ("E", fred.Mid(2, 1)); + EXPECT_EQ("D", fred.Mid(3, 1)); + EXPECT_EQ("FR", fred.Mid(0, 2)); + EXPECT_EQ("FRED", fred.Mid(0, 4)); + EXPECT_EQ("FRED", fred.Mid(0, 10)); + + EXPECT_EQ("FR", fred.Mid(-1, 2)); + EXPECT_EQ("RED", fred.Mid(1, 4)); + EXPECT_EQ("", fred.Mid(4, 1)); + + CFX_ByteString empty; + EXPECT_EQ("", empty.Mid(0, 0)); + EXPECT_EQ("", empty.Mid(0)); + EXPECT_EQ("", empty.Mid(1)); + EXPECT_EQ("", empty.Mid(-1)); +} + +TEST(fxcrt, ByteStringLeft) { + CFX_ByteString fred("FRED"); + EXPECT_EQ("", fred.Left(0)); + EXPECT_EQ("F", fred.Left(1)); + EXPECT_EQ("FR", fred.Left(2)); + EXPECT_EQ("FRE", fred.Left(3)); + EXPECT_EQ("FRED", fred.Left(4)); + + EXPECT_EQ("FRED", fred.Left(5)); + EXPECT_EQ("", fred.Left(-1)); + + CFX_ByteString empty; + EXPECT_EQ("", empty.Left(0)); + EXPECT_EQ("", empty.Left(1)); + EXPECT_EQ("", empty.Left(-1)); +} + +TEST(fxcrt, ByteStringRight) { + CFX_ByteString fred("FRED"); + EXPECT_EQ("", fred.Right(0)); + EXPECT_EQ("D", fred.Right(1)); + EXPECT_EQ("ED", fred.Right(2)); + EXPECT_EQ("RED", fred.Right(3)); + EXPECT_EQ("FRED", fred.Right(4)); + + EXPECT_EQ("FRED", fred.Right(5)); + EXPECT_EQ("", fred.Right(-1)); + + CFX_ByteString empty; + EXPECT_EQ("", empty.Right(0)); + EXPECT_EQ("", empty.Right(1)); + EXPECT_EQ("", empty.Right(-1)); +} + +TEST(fxcrt, ByteStringUpperLower) { + CFX_ByteString fred("F-Re.42D"); + fred.MakeLower(); + EXPECT_EQ("f-re.42d", fred); + fred.MakeUpper(); + EXPECT_EQ("F-RE.42D", fred); + + CFX_ByteString empty; + empty.MakeLower(); + EXPECT_EQ("", empty); + empty.MakeUpper(); + EXPECT_EQ("", empty); +} + +TEST(fxcrt, ByteStringTrimRight) { + CFX_ByteString fred(" FRED "); + fred.TrimRight(); + EXPECT_EQ(" FRED", fred); + fred.TrimRight('E'); + EXPECT_EQ(" FRED", fred); + fred.TrimRight('D'); + EXPECT_EQ(" FRE", fred); + fred.TrimRight("ERP"); + EXPECT_EQ(" F", fred); + + CFX_ByteString blank(" "); + blank.TrimRight("ERP"); + EXPECT_EQ(" ", blank); + blank.TrimRight('E'); + EXPECT_EQ(" ", blank); + blank.TrimRight(); + EXPECT_EQ("", blank); + + CFX_ByteString empty; + empty.TrimRight("ERP"); + EXPECT_EQ("", empty); + empty.TrimRight('E'); + EXPECT_EQ("", empty); + empty.TrimRight(); + EXPECT_EQ("", empty); +} + +TEST(fxcrt, ByteStringTrimRightCopies) { + { + // With a single reference, no copy takes place. + CFX_ByteString fred(" FRED "); + const char* old_buffer = fred.c_str(); + fred.TrimRight(); + EXPECT_EQ(" FRED", fred); + EXPECT_EQ(old_buffer, fred.c_str()); + } + { + // With multiple references, we must copy. + CFX_ByteString fred(" FRED "); + CFX_ByteString other_fred = fred; + const char* old_buffer = fred.c_str(); + fred.TrimRight(); + EXPECT_EQ(" FRED", fred); + EXPECT_EQ(" FRED ", other_fred); + EXPECT_NE(old_buffer, fred.c_str()); + } + { + // With multiple references, but no modifications, no copy. + CFX_ByteString fred("FRED"); + CFX_ByteString other_fred = fred; + const char* old_buffer = fred.c_str(); + fred.TrimRight(); + EXPECT_EQ("FRED", fred); + EXPECT_EQ("FRED", other_fred); + EXPECT_EQ(old_buffer, fred.c_str()); + } +} + +TEST(fxcrt, ByteStringTrimLeft) { + CFX_ByteString fred(" FRED "); + fred.TrimLeft(); + EXPECT_EQ("FRED ", fred); + fred.TrimLeft('E'); + EXPECT_EQ("FRED ", fred); + fred.TrimLeft('F'); + EXPECT_EQ("RED ", fred); + fred.TrimLeft("ERP"); + EXPECT_EQ("D ", fred); + + CFX_ByteString blank(" "); + blank.TrimLeft("ERP"); + EXPECT_EQ(" ", blank); + blank.TrimLeft('E'); + EXPECT_EQ(" ", blank); + blank.TrimLeft(); + EXPECT_EQ("", blank); + + CFX_ByteString empty; + empty.TrimLeft("ERP"); + EXPECT_EQ("", empty); + empty.TrimLeft('E'); + EXPECT_EQ("", empty); + empty.TrimLeft(); + EXPECT_EQ("", empty); +} + +TEST(fxcrt, ByteStringTrimLeftCopies) { + { + // With a single reference, no copy takes place. + CFX_ByteString fred(" FRED "); + const char* old_buffer = fred.c_str(); + fred.TrimLeft(); + EXPECT_EQ("FRED ", fred); + EXPECT_EQ(old_buffer, fred.c_str()); + } + { + // With multiple references, we must copy. + CFX_ByteString fred(" FRED "); + CFX_ByteString other_fred = fred; + const char* old_buffer = fred.c_str(); + fred.TrimLeft(); + EXPECT_EQ("FRED ", fred); + EXPECT_EQ(" FRED ", other_fred); + EXPECT_NE(old_buffer, fred.c_str()); + } + { + // With multiple references, but no modifications, no copy. + CFX_ByteString fred("FRED"); + CFX_ByteString other_fred = fred; + const char* old_buffer = fred.c_str(); + fred.TrimLeft(); + EXPECT_EQ("FRED", fred); + EXPECT_EQ("FRED", other_fred); + EXPECT_EQ(old_buffer, fred.c_str()); + } +} + +TEST(fxcrt, ByteStringReserve) { + { + CFX_ByteString str; + str.Reserve(6); + const char* old_buffer = str.c_str(); + str += "ABCDEF"; + EXPECT_EQ(old_buffer, str.c_str()); + str += "Blah Blah Blah Blah Blah Blah"; + EXPECT_NE(old_buffer, str.c_str()); + } + { + CFX_ByteString str("A"); + str.Reserve(6); + const char* old_buffer = str.c_str(); + str += "BCDEF"; + EXPECT_EQ(old_buffer, str.c_str()); + str += "Blah Blah Blah Blah Blah Blah"; + EXPECT_NE(old_buffer, str.c_str()); + } +} + +TEST(fxcrt, ByteStringGetBuffer) { + { + CFX_ByteString str; + char* buffer = str.GetBuffer(12); + // NOLINTNEXTLINE(runtime/printf) + strcpy(buffer, "clams"); + str.ReleaseBuffer(); + EXPECT_EQ("clams", str); + } + { + CFX_ByteString str("cl"); + char* buffer = str.GetBuffer(12); + // NOLINTNEXTLINE(runtime/printf) + strcpy(buffer + 2, "ams"); + str.ReleaseBuffer(); + EXPECT_EQ("clams", str); + } +} + +TEST(fxcrt, ByteStringReleaseBuffer) { + { + CFX_ByteString str; + str.Reserve(12); + str += "clams"; + const char* old_buffer = str.c_str(); + str.ReleaseBuffer(4); + EXPECT_EQ(old_buffer, str.c_str()); + EXPECT_EQ("clam", str); + } + { + CFX_ByteString str("c"); + str.Reserve(12); + str += "lams"; + const char* old_buffer = str.c_str(); + str.ReleaseBuffer(4); + EXPECT_EQ(old_buffer, str.c_str()); + EXPECT_EQ("clam", str); + } + { + CFX_ByteString str; + str.Reserve(200); + str += "clams"; + const char* old_buffer = str.c_str(); + str.ReleaseBuffer(4); + EXPECT_NE(old_buffer, str.c_str()); + EXPECT_EQ("clam", str); + } + { + CFX_ByteString str("c"); + str.Reserve(200); + str += "lams"; + const char* old_buffer = str.c_str(); + str.ReleaseBuffer(4); + EXPECT_NE(old_buffer, str.c_str()); + EXPECT_EQ("clam", str); + } +} + +TEST(fxcrt, ByteStringCNotNull) { + CFX_ByteStringC string3("abc"); + CFX_ByteStringC string6("abcdef"); + CFX_ByteStringC alternate_string3("abcdef", 3); + CFX_ByteStringC embedded_nul_string7("abc\0def", 7); + CFX_ByteStringC illegal_string7("abcdef", 7); + + EXPECT_EQ(3, string3.GetLength()); + EXPECT_EQ(6, string6.GetLength()); + EXPECT_EQ(3, alternate_string3.GetLength()); + EXPECT_EQ(7, embedded_nul_string7.GetLength()); + EXPECT_EQ(7, illegal_string7.GetLength()); + + EXPECT_NE(string3, string6); + EXPECT_EQ(string3, alternate_string3); + EXPECT_NE(string3, embedded_nul_string7); + EXPECT_NE(string3, illegal_string7); + EXPECT_NE(string6, alternate_string3); + EXPECT_NE(string6, embedded_nul_string7); + EXPECT_NE(string6, illegal_string7); + EXPECT_NE(alternate_string3, embedded_nul_string7); + EXPECT_NE(alternate_string3, illegal_string7); + EXPECT_NE(embedded_nul_string7, illegal_string7); + + CFX_ByteStringC copied_string3(string3); + CFX_ByteStringC copied_alternate_string3(alternate_string3); + CFX_ByteStringC copied_embedded_nul_string7(embedded_nul_string7); + + EXPECT_EQ(string3, copied_string3); + EXPECT_EQ(alternate_string3, copied_alternate_string3); + EXPECT_EQ(embedded_nul_string7, copied_embedded_nul_string7); + + CFX_ByteStringC assigned_string3("intially something else"); + CFX_ByteStringC assigned_alternate_string3("initally something else"); + CFX_ByteStringC assigned_ptr_string3("initially something else"); + CFX_ByteStringC assigned_embedded_nul_string7("initially something else"); + + assigned_string3 = string3; + assigned_alternate_string3 = alternate_string3; + assigned_ptr_string3 = "abc"; + assigned_embedded_nul_string7 = embedded_nul_string7; + EXPECT_EQ(string3, assigned_string3); + EXPECT_EQ(alternate_string3, assigned_alternate_string3); + EXPECT_EQ(alternate_string3, assigned_ptr_string3); + EXPECT_EQ(embedded_nul_string7, assigned_embedded_nul_string7); +} + +TEST(fxcrt, ByteStringCFromChar) { + CFX_ByteStringC null_string; + CFX_ByteStringC lower_a_string("a"); + + // Must have lvalues that outlive the corresponding ByteStringC. + char nul = '\0'; + char lower_a = 'a'; + CFX_ByteStringC nul_string_from_char(nul); + CFX_ByteStringC lower_a_string_from_char(lower_a); + + // Pointer to nul, not nullptr ptr, hence length 1 ... + EXPECT_EQ(1, nul_string_from_char.GetLength()); + EXPECT_NE(null_string, nul_string_from_char); + + EXPECT_EQ(1, lower_a_string_from_char.GetLength()); + EXPECT_EQ(lower_a_string, lower_a_string_from_char); + EXPECT_NE(nul_string_from_char, lower_a_string_from_char); + + CFX_ByteStringC longer_string("ab"); + EXPECT_NE(longer_string, lower_a_string_from_char); +} + +TEST(fxcrt, ByteStringCGetID) { + CFX_ByteStringC null_string; + EXPECT_EQ(0u, null_string.GetID()); + EXPECT_EQ(0u, null_string.GetID(1)); + EXPECT_EQ(0u, null_string.GetID(-1)); + EXPECT_EQ(0u, null_string.GetID(-1000000)); + + CFX_ByteStringC empty_string(""); + EXPECT_EQ(0u, empty_string.GetID()); + EXPECT_EQ(0u, empty_string.GetID(1)); + EXPECT_EQ(0u, empty_string.GetID(-1)); + EXPECT_EQ(0u, empty_string.GetID(-1000000)); + + CFX_ByteStringC short_string("ab"); + EXPECT_EQ(FXBSTR_ID('a', 'b', 0, 0), short_string.GetID()); + EXPECT_EQ(FXBSTR_ID('b', 0, 0, 0), short_string.GetID(1)); + EXPECT_EQ(0u, short_string.GetID(2)); + EXPECT_EQ(0u, short_string.GetID(-1)); + EXPECT_EQ(0u, short_string.GetID(-1000000)); + + CFX_ByteStringC longer_string("abcdef"); + EXPECT_EQ(FXBSTR_ID('a', 'b', 'c', 'd'), longer_string.GetID()); + EXPECT_EQ(FXBSTR_ID('b', 'c', 'd', 'e'), longer_string.GetID(1)); + EXPECT_EQ(FXBSTR_ID('c', 'd', 'e', 'f'), longer_string.GetID(2)); + EXPECT_EQ(FXBSTR_ID('d', 'e', 'f', 0), longer_string.GetID(3)); + EXPECT_EQ(FXBSTR_ID('e', 'f', 0, 0), longer_string.GetID(4)); + EXPECT_EQ(FXBSTR_ID('f', 0, 0, 0), longer_string.GetID(5)); + EXPECT_EQ(0u, longer_string.GetID(6)); + EXPECT_EQ(0u, longer_string.GetID(-1)); + EXPECT_EQ(0u, longer_string.GetID(-1000000)); +} + +TEST(fxcrt, ByteStringCFind) { + CFX_ByteStringC null_string; + EXPECT_EQ(-1, null_string.Find('a')); + EXPECT_EQ(-1, null_string.Find(0)); + + CFX_ByteStringC empty_string(""); + EXPECT_EQ(-1, empty_string.Find('a')); + EXPECT_EQ(-1, empty_string.Find(0)); + + CFX_ByteStringC single_string("a"); + EXPECT_EQ(0, single_string.Find('a')); + EXPECT_EQ(-1, single_string.Find('b')); + EXPECT_EQ(-1, single_string.Find(0)); + + CFX_ByteStringC longer_string("abccc"); + EXPECT_EQ(0, longer_string.Find('a')); + EXPECT_EQ(2, longer_string.Find('c')); + EXPECT_EQ(-1, longer_string.Find(0)); + + CFX_ByteStringC hibyte_string( + "ab\x8c" + "def"); + EXPECT_EQ(2, hibyte_string.Find('\x8c')); +} + +TEST(fxcrt, ByteStringCMid) { + CFX_ByteStringC null_string; + EXPECT_EQ(null_string, null_string.Mid(0, 1)); + EXPECT_EQ(null_string, null_string.Mid(1, 1)); + + CFX_ByteStringC empty_string(""); + EXPECT_EQ(empty_string, empty_string.Mid(0, 1)); + EXPECT_EQ(empty_string, empty_string.Mid(1, 1)); + + CFX_ByteStringC single_character("a"); + EXPECT_EQ(empty_string, single_character.Mid(0, 0)); + EXPECT_EQ(single_character, single_character.Mid(0, 1)); + EXPECT_EQ(empty_string, single_character.Mid(1, 0)); + EXPECT_EQ(empty_string, single_character.Mid(1, 1)); + + CFX_ByteStringC longer_string("abcdef"); + EXPECT_EQ(longer_string, longer_string.Mid(0, 6)); + EXPECT_EQ(longer_string, longer_string.Mid(0, 187)); + EXPECT_EQ(longer_string, longer_string.Mid(-42, 6)); + EXPECT_EQ(longer_string, longer_string.Mid(-42, 187)); + + CFX_ByteStringC leading_substring("ab"); + EXPECT_EQ(leading_substring, longer_string.Mid(0, 2)); + EXPECT_EQ(leading_substring, longer_string.Mid(-1, 2)); + + CFX_ByteStringC middle_substring("bcde"); + EXPECT_EQ(middle_substring, longer_string.Mid(1, 4)); + + CFX_ByteStringC trailing_substring("ef"); + EXPECT_EQ(trailing_substring, longer_string.Mid(4, 2)); + EXPECT_EQ(trailing_substring, longer_string.Mid(4, 3)); +} + +TEST(fxcrt, ByteStringCGetAt) { + CFX_ByteString short_string("a"); + CFX_ByteString longer_string("abc"); + CFX_ByteString embedded_nul_string("ab\0c", 4); + + EXPECT_EQ('a', short_string.GetAt(0)); + EXPECT_EQ('c', longer_string.GetAt(2)); + EXPECT_EQ('b', embedded_nul_string.GetAt(1)); + EXPECT_EQ('\0', embedded_nul_string.GetAt(2)); + EXPECT_EQ('c', embedded_nul_string.GetAt(3)); +} + +TEST(fxcrt, ByteStringCOperatorSubscript) { + // CFX_ByteStringC includes the NUL terminator for non-empty strings. + CFX_ByteStringC abc("abc"); + EXPECT_EQ('a', abc[0]); + EXPECT_EQ('b', abc[1]); + EXPECT_EQ('c', abc[2]); + EXPECT_EQ(0, abc[3]); +} + +TEST(fxcrt, ByteStringCOperatorLT) { + CFX_ByteStringC empty; + CFX_ByteStringC a("a"); + CFX_ByteStringC abc("abc"); + CFX_ByteStringC def("def"); + + 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, ByteStringCOperatorEQ) { + CFX_ByteStringC byte_string_c("hello"); + EXPECT_TRUE(byte_string_c == byte_string_c); + + CFX_ByteStringC byte_string_c_same1("hello"); + EXPECT_TRUE(byte_string_c == byte_string_c_same1); + EXPECT_TRUE(byte_string_c_same1 == byte_string_c); + + CFX_ByteStringC byte_string_c_same2(byte_string_c); + EXPECT_TRUE(byte_string_c == byte_string_c_same2); + EXPECT_TRUE(byte_string_c_same2 == byte_string_c); + + CFX_ByteStringC byte_string_c1("he"); + CFX_ByteStringC byte_string_c2("hellp"); + CFX_ByteStringC byte_string_c3("hellod"); + EXPECT_FALSE(byte_string_c == byte_string_c1); + EXPECT_FALSE(byte_string_c == byte_string_c2); + EXPECT_FALSE(byte_string_c == byte_string_c3); + EXPECT_FALSE(byte_string_c1 == byte_string_c); + EXPECT_FALSE(byte_string_c2 == byte_string_c); + EXPECT_FALSE(byte_string_c3 == byte_string_c); + + CFX_ByteString byte_string_same1("hello"); + EXPECT_TRUE(byte_string_c == byte_string_same1); + EXPECT_TRUE(byte_string_same1 == byte_string_c); + + CFX_ByteString byte_string1("he"); + CFX_ByteString byte_string2("hellp"); + CFX_ByteString byte_string3("hellod"); + EXPECT_FALSE(byte_string_c == byte_string1); + EXPECT_FALSE(byte_string_c == byte_string2); + EXPECT_FALSE(byte_string_c == byte_string3); + EXPECT_FALSE(byte_string1 == byte_string_c); + EXPECT_FALSE(byte_string2 == byte_string_c); + EXPECT_FALSE(byte_string3 == byte_string_c); + + const char* c_string_same1 = "hello"; + EXPECT_TRUE(byte_string_c == c_string_same1); + EXPECT_TRUE(c_string_same1 == byte_string_c); + + const char* c_string1 = "he"; + const char* c_string2 = "hellp"; + const char* c_string3 = "hellod"; + EXPECT_FALSE(byte_string_c == c_string1); + EXPECT_FALSE(byte_string_c == c_string2); + EXPECT_FALSE(byte_string_c == c_string3); + + EXPECT_FALSE(c_string1 == byte_string_c); + EXPECT_FALSE(c_string2 == byte_string_c); + EXPECT_FALSE(c_string3 == byte_string_c); +} + +TEST(fxcrt, ByteStringCOperatorNE) { + CFX_ByteStringC byte_string_c("hello"); + EXPECT_FALSE(byte_string_c != byte_string_c); + + CFX_ByteStringC byte_string_c_same1("hello"); + EXPECT_FALSE(byte_string_c != byte_string_c_same1); + EXPECT_FALSE(byte_string_c_same1 != byte_string_c); + + CFX_ByteStringC byte_string_c_same2(byte_string_c); + EXPECT_FALSE(byte_string_c != byte_string_c_same2); + EXPECT_FALSE(byte_string_c_same2 != byte_string_c); + + CFX_ByteStringC byte_string_c1("he"); + CFX_ByteStringC byte_string_c2("hellp"); + CFX_ByteStringC byte_string_c3("hellod"); + EXPECT_TRUE(byte_string_c != byte_string_c1); + EXPECT_TRUE(byte_string_c != byte_string_c2); + EXPECT_TRUE(byte_string_c != byte_string_c3); + EXPECT_TRUE(byte_string_c1 != byte_string_c); + EXPECT_TRUE(byte_string_c2 != byte_string_c); + EXPECT_TRUE(byte_string_c3 != byte_string_c); + + CFX_ByteString byte_string_same1("hello"); + EXPECT_FALSE(byte_string_c != byte_string_same1); + EXPECT_FALSE(byte_string_same1 != byte_string_c); + + CFX_ByteString byte_string1("he"); + CFX_ByteString byte_string2("hellp"); + CFX_ByteString byte_string3("hellod"); + EXPECT_TRUE(byte_string_c != byte_string1); + EXPECT_TRUE(byte_string_c != byte_string2); + EXPECT_TRUE(byte_string_c != byte_string3); + EXPECT_TRUE(byte_string1 != byte_string_c); + EXPECT_TRUE(byte_string2 != byte_string_c); + EXPECT_TRUE(byte_string3 != byte_string_c); + + const char* c_string_same1 = "hello"; + EXPECT_FALSE(byte_string_c != c_string_same1); + EXPECT_FALSE(c_string_same1 != byte_string_c); + + const char* c_string1 = "he"; + const char* c_string2 = "hellp"; + const char* c_string3 = "hellod"; + EXPECT_TRUE(byte_string_c != c_string1); + EXPECT_TRUE(byte_string_c != c_string2); + EXPECT_TRUE(byte_string_c != c_string3); + + EXPECT_TRUE(c_string1 != byte_string_c); + EXPECT_TRUE(c_string2 != byte_string_c); + EXPECT_TRUE(c_string3 != byte_string_c); +} + +TEST(fxcrt, ByteStringFormatWidth) { + { + CFX_ByteString str; + str.Format("%5d", 1); + EXPECT_EQ(" 1", str); + } + + { + CFX_ByteString str; + str.Format("%d", 1); + EXPECT_EQ("1", str); + } + + { + CFX_ByteString str; + str.Format("%*d", 5, 1); + EXPECT_EQ(" 1", str); + } + + { + CFX_ByteString str; + str.Format("%-1d", 1); + EXPECT_EQ("1", str); + } + + { + CFX_ByteString str; + str.Format("%0d", 1); + EXPECT_EQ("1", str); + } +} + +TEST(fxcrt, ByteStringFormatPrecision) { + { + CFX_ByteString str; + str.Format("%.2f", 1.12345); + EXPECT_EQ("1.12", str); + } + + { + CFX_ByteString str; + str.Format("%.*f", 3, 1.12345); + EXPECT_EQ("1.123", str); + } + + { + CFX_ByteString str; + str.Format("%f", 1.12345); + EXPECT_EQ("1.123450", str); + } + + { + CFX_ByteString str; + str.Format("%-1f", 1.12345); + EXPECT_EQ("1.123450", str); + } + + { + CFX_ByteString str; + str.Format("%0f", 1.12345); + EXPECT_EQ("1.123450", str); + } +} + +TEST(fxcrt, EmptyByteString) { + CFX_ByteString empty_str; + EXPECT_TRUE(empty_str.IsEmpty()); + EXPECT_EQ(0, empty_str.GetLength()); + const char* cstr = empty_str.c_str(); + EXPECT_EQ(0, FXSYS_strlen(cstr)); +} |