gecko/xpcom/tests/TestStringAPI.cpp

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2012-05-21 04:12:37 -07:00
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include <stdio.h>
#include "nsStringAPI.h"
#define CHECK(x) \
_doCheck(x, #x, __LINE__)
int _doCheck(bool cond, const char* msg, int line) {
if (cond) return 0;
fprintf(stderr, "FAIL: line %d: %s\n", line, msg);
return 1;
}
int testEmpty() {
nsString s;
return CHECK(0 == s.Length()) +
CHECK(s.IsEmpty());
}
int testAccess() {
nsString s;
s.Assign(NS_LITERAL_STRING("hello"));
int res = CHECK(5 == s.Length()) +
CHECK(s.EqualsLiteral("hello"));
const PRUnichar *it, *end;
int len = s.BeginReading(&it, &end);
res += CHECK(5 == len);
res += CHECK(PRUnichar('h') == it[0]) +
CHECK(PRUnichar('e') == it[1]) +
CHECK(PRUnichar('l') == it[2]) +
CHECK(PRUnichar('l') == it[3]) +
CHECK(PRUnichar('o') == it[4]) +
CHECK(it + len == end);
res += CHECK(s[0] == s.First());
for (int i = 0; i < len; ++i) {
res += CHECK(s[i] == it[i]);
res += CHECK(s[i] == s.CharAt(i));
}
res += CHECK(it == s.BeginReading());
res += CHECK(end == s.EndReading());
return res;
}
int testWrite() {
nsString s(NS_LITERAL_STRING("xyzz"));
PRUnichar *begin, *end;
int res = CHECK(4 == s.Length());
PRUint32 len = s.BeginWriting(&begin, &end, 5);
res += CHECK(5 == s.Length()) +
CHECK(5 == len) +
CHECK(end == begin + 5) +
CHECK(begin == s.BeginWriting()) +
CHECK(end == s.EndWriting());
begin[4] = PRUnichar('y');
res += CHECK(s.Equals(NS_LITERAL_STRING("xyzzy")));
s.SetLength(4);
res += CHECK(4 == s.Length()) +
CHECK(s.Equals(NS_LITERAL_STRING("xyzz"))) +
CHECK(!s.Equals(NS_LITERAL_STRING("xyzzy"))) +
CHECK(!s.IsEmpty());
s.Truncate();
res += CHECK(0 == s.Length()) +
CHECK(s.IsEmpty());
const PRUnichar sample[] = { 's', 'a', 'm', 'p', 'l', 'e', '\0' };
s.Assign(sample);
res += CHECK(s.EqualsLiteral("sample"));
s.Assign(sample, 4);
res += CHECK(s.EqualsLiteral("samp"));
s.Assign(PRUnichar('q'));
res += CHECK(s.EqualsLiteral("q"));
return res;
}
int testFind() {
nsString str_haystack;
nsString str_needle;
str_needle.AssignLiteral("world");
PRInt32 ret = 0;
ret += CHECK(-1 == str_haystack.Find("world"));
ret += CHECK(-1 == str_haystack.Find(str_needle));
str_haystack.AssignLiteral("hello world hello world hello");
ret += CHECK( 6 == str_haystack.Find("world"));
ret += CHECK( 6 == str_haystack.Find(str_needle));
ret += CHECK(-1 == str_haystack.Find("world", 20, false));
ret += CHECK(-1 == str_haystack.Find(str_needle, 20));
ret += CHECK(18 == str_haystack.Find("world", 12, false));
ret += CHECK(18 == str_haystack.Find(str_needle, 12));
nsCString cstr_haystack;
nsCString cstr_needle;
cstr_needle.AssignLiteral("world");
ret += CHECK(-1 == cstr_haystack.Find("world"));
ret += CHECK(-1 == cstr_haystack.Find(cstr_needle));
cstr_haystack.AssignLiteral("hello world hello world hello");
ret += CHECK( 6 == cstr_haystack.Find("world"));
ret += CHECK( 6 == cstr_haystack.Find(cstr_needle));
ret += CHECK(-1 == cstr_haystack.Find(cstr_needle, 20));
ret += CHECK(18 == cstr_haystack.Find(cstr_needle, 12));
ret += CHECK( 6 == cstr_haystack.Find("world", 5));
return ret;
}
int testVoid() {
nsString s;
int ret = CHECK(!s.IsVoid());
s.SetIsVoid(false);
ret += CHECK(!s.IsVoid());
s.SetIsVoid(true);
ret += CHECK(s.IsVoid());
s.SetIsVoid(false);
ret += CHECK(!s.IsVoid());
s.SetIsVoid(true);
s.AssignLiteral("hello");
ret += CHECK(!s.IsVoid());
return ret;
}
int testRFind() {
PRInt32 ret = 0;
// nsString.RFind
nsString str_haystack;
nsString str_needle;
str_needle.AssignLiteral("world");
ret += CHECK(-1 == str_haystack.RFind(str_needle));
ret += CHECK(-1 == str_haystack.RFind("world"));
str_haystack.AssignLiteral("hello world hElLo woRlD");
ret += CHECK( 6 == str_haystack.RFind(str_needle));
ret += CHECK( 6 == str_haystack.RFind(str_needle, -1));
ret += CHECK( 6 == str_haystack.RFind(str_needle, 17));
ret += CHECK( 6 == str_haystack.RFind("world", false));
ret += CHECK(18 == str_haystack.RFind("world", true));
ret += CHECK( 6 == str_haystack.RFind("world", -1, false));
ret += CHECK(18 == str_haystack.RFind("world", -1, true));
ret += CHECK( 6 == str_haystack.RFind("world", 17, false));
ret += CHECK( 0 == str_haystack.RFind("hello", 0, false));
ret += CHECK(18 == str_haystack.RFind("world", 19, true));
ret += CHECK(18 == str_haystack.RFind("world", 22, true));
ret += CHECK(18 == str_haystack.RFind("world", 23, true));
// nsCString.RFind
nsCString cstr_haystack;
nsCString cstr_needle;
cstr_needle.AssignLiteral("world");
ret += CHECK(-1 == cstr_haystack.RFind(cstr_needle));
ret += CHECK(-1 == cstr_haystack.RFind("world"));
cstr_haystack.AssignLiteral("hello world hElLo woRlD");
ret += CHECK( 6 == cstr_haystack.RFind(cstr_needle));
ret += CHECK( 6 == cstr_haystack.RFind(cstr_needle, -1));
ret += CHECK( 6 == cstr_haystack.RFind(cstr_needle, 17));
ret += CHECK( 6 == cstr_haystack.RFind("world", 5));
ret += CHECK( 0 == cstr_haystack.RFind(nsDependentCString("hello"), 0));
return ret;
}
int testCompressWhitespace() {
PRInt32 ret = 0;
// CompressWhitespace utility function
nsString s;
s.AssignLiteral(" ");
CompressWhitespace(s);
ret += CHECK(s.EqualsLiteral(""));
s.AssignLiteral(" no more leading spaces");
CompressWhitespace(s);
ret += CHECK(s.EqualsLiteral("no more leading spaces"));
s.AssignLiteral("no more trailing spaces ");
CompressWhitespace(s);
ret += CHECK(s.EqualsLiteral("no more trailing spaces"));
s.AssignLiteral(" hello one 2 three 45 ");
CompressWhitespace(s);
ret += CHECK(s.EqualsLiteral("hello one 2 three 45"));
return ret;
}
int main() {
int rv = 0;
rv += testEmpty();
rv += testAccess();
rv += testWrite();
rv += testFind();
rv += testVoid();
rv += testRFind();
rv += testCompressWhitespace();
if (0 == rv) {
fprintf(stderr, "PASS: StringAPI tests\n");
}
return rv;
}