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Commit 1ebbefe6 authored by Abhinav Vora's avatar Abhinav Vora Committed by Jordan DeLong
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Make folly/fbstring test wchar compatible 

Summary:
(This is a preliminary diff only)

Existing tests will be run again with a folly::basic_fbstring<wchar_t> object.

I have (temporarily) commented out tests that dont work yet.

Test Plan: Test code update only

Reviewed By: andrei.alexandrescu@fb.com

FB internal diff: D669151
parent 7431dc7e
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Inline Side-by-side
Showing with 40 additions and 18 deletions
folly/test/FBStringTest.cpp
View file @ 1ebbefe6
/*
* Copyright 2012 Facebook, Inc.
* Copyright 2013 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
......@@ -31,6 +31,7 @@
#include "folly/Foreach.h"
#include "folly/Random.h"
#include "folly/Conv.h"
using namespace std;
using namespace folly;
......@@ -58,9 +59,9 @@ void randomString(String* toFill, unsigned int maxSize = 1000) {
template <class String, class Integral>
void Num2String(String& str, Integral n) {
str.resize(30, '\0');
sprintf(&str[0], "%lu", static_cast<unsigned long>(n));
str.resize(strlen(str.c_str()));
std::string tmp = folly::to<std::string>(n);
str = String(tmp.begin(), tmp.end());
}
std::list<char> RandomList(unsigned int maxSize) {
......@@ -91,9 +92,9 @@ template <class String> void clause_21_3_1_c(String & test) {
const size_t
pos = random(0, test.size()),
n = random(0, test.size() - pos);
std::string before(test.data(), test.size());
String before(test.data(), test.size());
String s(test.c_str() + pos, n);
std::string after(test.data(), test.size());
String after(test.data(), test.size());
EXPECT_EQ(before, after);
// Constructor from char*, char*
......@@ -118,7 +119,7 @@ template <class String> void clause_21_3_1_c(String & test) {
wchar_t t[20];
t[0] = 'a';
t[1] = 'b';
String s5(t, t + 2);;
fbstring s5(t, t + 2);;
EXPECT_EQ("ab", s5);
test = s;
......@@ -175,8 +176,10 @@ template <class String> void clause_21_3_3(String & test) {
EXPECT_LE(test.capacity(), test.max_size());
EXPECT_LE(test.size(), test.capacity());
// exercise empty
if (test.empty()) test = "empty";
else test = "not empty";
string empty("empty");
string notempty("not empty");
if (test.empty()) test = String(empty.begin(), empty.end());
else test = String(notempty.begin(), notempty.end());
}
template <class String> void clause_21_3_4(String & test) {
......@@ -192,7 +195,8 @@ template <class String> void clause_21_3_5_a(String & test) {
// 21.3.5 modifiers (+=)
String test1;
randomString(&test1);
assert(test1.size() == strlen(test1.c_str()));
assert(test1.size() == char_traits
<typename String::value_type>::length(test1.c_str()));
auto len = test.size();
test += test1;
EXPECT_EQ(test.size(), test1.size() + len);
......@@ -206,20 +210,24 @@ template <class String> void clause_21_3_5_a(String & test) {
len = test.size();
EXPECT_EQ(memcmp(sz, dt, len), 0);
String copy(test.data(), test.size());
EXPECT_EQ(strlen(test.c_str()), len);
EXPECT_EQ(char_traits
<typename String::value_type>::length(test.c_str()), len);
test += test;
//test.append(test);
EXPECT_EQ(test.size(), 2 * len);
EXPECT_EQ(strlen(test.c_str()), 2 * len);
EXPECT_EQ(char_traits
<typename String::value_type>::length(test.c_str()), 2 * len);
FOR_EACH_RANGE (i, 0, len) {
EXPECT_EQ(test[i], copy[i]);
EXPECT_EQ(test[i], test[len + i]);
}
len = test.size();
EXPECT_EQ(strlen(test.c_str()), len);
EXPECT_EQ(char_traits
<typename String::value_type>::length(test.c_str()), len);
// more aliasing
auto const pos = random(0, test.size());
EXPECT_EQ(strlen(test.c_str() + pos), len - pos);
EXPECT_EQ(char_traits
<typename String::value_type>::length(test.c_str() + pos), len - pos);
if (avoidAliasing) {
String addMe(test.c_str() + pos);
EXPECT_EQ(addMe.size(), len - pos);
......@@ -757,10 +765,10 @@ template <class String> void clause_21_3_7_k(String & test) {
// Numbering here is from C++11
template <class String> void clause_21_4_8_9_a(String & test) {
stringstream s("asd asdfjhuhdf asdfasdf\tasdsdf");
basic_stringstream<typename String::value_type> stst(test.c_str());
String str;
while (s) {
s >> str;
while (stst) {
stst >> str;
test += str + test;
}
}
......@@ -768,13 +776,17 @@ template <class String> void clause_21_4_8_9_a(String & test) {
TEST(FBString, testAllClauses) {
EXPECT_TRUE(1) << "Starting with seed: " << seed;
std::string r;
std::wstring wr;
folly::fbstring c;
folly::basic_fbstring<wchar_t> wc;
#define TEST_CLAUSE(x) \
do { \
if (1) {} else EXPECT_TRUE(1) << "Testing clause " << #x; \
randomString(&r); \
c = r; \
EXPECT_EQ(c, r); \
wr = std::wstring(r.begin(), r.end()); \
wc = folly::basic_fbstring<wchar_t>(wr.c_str()); \
auto localSeed = seed + count; \
rng = RandomT(localSeed); \
clause_##x(r); \
......@@ -784,6 +796,16 @@ TEST(FBString, testAllClauses) {
<< "Lengths: " << r.size() << " vs. " << c.size() \
<< "\nReference: '" << r << "'" \
<< "\nActual: '" << c.data()[0] << "'"; \
rng = RandomT(localSeed); \
clause_##x(wc); \
int wret = wcslen(wc.c_str()); \
char mb[wret+1]; \
int ret = wcstombs(mb, wc.c_str(), sizeof(mb)); \
if (ret == wret) mb[wret] = '\0'; \
const char *mc = c.c_str(); \
std::string one(mb); \
std::string two(mc); \
EXPECT_EQ(one, two); \
} while (++count % 100 != 0)
int count = 0;
......@@ -995,7 +1017,7 @@ TEST(FBString, testFixedBugs) {
}
{
// D661622
basic_fbstring<wchar_t> s;
folly::basic_fbstring<wchar_t> s;
EXPECT_EQ(0, s.size());
}
}
......
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