bgfx/3rdparty/scintilla/test/unit/testCharClassify.cxx
2015-06-08 17:07:35 -07:00

121 lines
3.3 KiB
C++

// Unit Tests for Scintilla internal data structures
#include <string.h>
#include <algorithm>
#include "Platform.h"
#include "CharClassify.h"
#include "catch.hpp"
// Test CharClassify.
class CharClassifyTest {
// Avoid warnings, private so never called.
CharClassifyTest(const CharClassifyTest &);
protected:
CharClassifyTest() {
pcc = new CharClassify();
for (int ch = 0; ch < 256; ch++) {
if (ch == '\r' || ch == '\n')
charClass[ch] = CharClassify::ccNewLine;
else if (ch < 0x20 || ch == ' ')
charClass[ch] = CharClassify::ccSpace;
else if (ch >= 0x80 || isalnum(ch) || ch == '_')
charClass[ch] = CharClassify::ccWord;
else
charClass[ch] = CharClassify::ccPunctuation;
}
}
~CharClassifyTest() {
delete pcc;
pcc = 0;
}
CharClassify *pcc;
CharClassify::cc charClass[256];
static const char* GetClassName(CharClassify::cc charClass) {
switch(charClass) {
#define CASE(c) case CharClassify::c: return #c
CASE(ccSpace);
CASE(ccNewLine);
CASE(ccWord);
CASE(ccPunctuation);
#undef CASE
default:
return "<unknown>";
}
}
};
TEST_CASE_METHOD(CharClassifyTest, "Defaults") {
for (int i = 0; i < 256; i++) {
if (charClass[i] != pcc->GetClass(i))
std::cerr
<< "Character " << i
<< " should be class " << GetClassName(charClass[i])
<< ", but got " << GetClassName(pcc->GetClass(i)) << std::endl;
REQUIRE(charClass[i] == pcc->GetClass(i));
}
}
TEST_CASE_METHOD(CharClassifyTest, "Custom") {
unsigned char buf[2] = {0, 0};
for (int i = 0; i < 256; i++) {
CharClassify::cc thisClass = CharClassify::cc(i % 4);
buf[0] = i;
pcc->SetCharClasses(buf, thisClass);
charClass[i] = thisClass;
}
for (int i = 0; i < 256; i++) {
if (charClass[i] != pcc->GetClass(i))
std::cerr
<< "Character " << i
<< " should be class " << GetClassName(charClass[i])
<< ", but got " << GetClassName(pcc->GetClass(i)) << std::endl;
REQUIRE(charClass[i] == pcc->GetClass(i));
}
}
TEST_CASE_METHOD(CharClassifyTest, "CharsOfClass") {
unsigned char buf[2] = {0, 0};
for (int i = 1; i < 256; i++) {
CharClassify::cc thisClass = CharClassify::cc(i % 4);
buf[0] = i;
pcc->SetCharClasses(buf, thisClass);
charClass[i] = thisClass;
}
for (int classVal = 0; classVal < 4; ++classVal) {
CharClassify::cc thisClass = CharClassify::cc(classVal % 4);
int size = pcc->GetCharsOfClass(thisClass, NULL);
unsigned char* buffer = new unsigned char[size + 1];
buffer[size] = '\0';
pcc->GetCharsOfClass(thisClass, buffer);
for (int i = 1; i < 256; i++) {
if (charClass[i] == thisClass) {
if (!memchr(reinterpret_cast<char*>(buffer), i, size))
std::cerr
<< "Character " << i
<< " should be class " << GetClassName(thisClass)
<< ", but was not in GetCharsOfClass;"
<< " it is reported to be "
<< GetClassName(pcc->GetClass(i)) << std::endl;
REQUIRE(memchr(reinterpret_cast<char*>(buffer), i, size));
} else {
if (memchr(reinterpret_cast<char*>(buffer), i, size))
std::cerr
<< "Character " << i
<< " should not be class " << GetClassName(thisClass)
<< ", but was in GetCharsOfClass"
<< " it is reported to be "
<< GetClassName(pcc->GetClass(i)) << std::endl;
REQUIRE_FALSE(memchr(reinterpret_cast<char*>(buffer), i, size));
}
}
delete []buffer;
}
}