/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright 2021 Mike Becker, Olaf Wintermann All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include "cx/printf.h"
#include "cx/buffer.h"
#include <gtest/gtest.h>
#include "util_allocator.h"
class PrintfFixture : public ::testing::Test {
protected:
std::string buf;
CxTestingAllocator alloc;
void TearDown() override {
buf.clear();
ASSERT_TRUE(alloc.verify());
}
static size_t write_func(
void const *src,
size_t esize,
size_t ecount,
void *target
) {
auto str = reinterpret_cast<char const *>(src);
auto buf = reinterpret_cast<std::string *>(target);
EXPECT_EQ(esize, 1);
EXPECT_EQ(strlen(str), ecount);
*buf = str;
return ecount;
}
};
TEST_F(PrintfFixture, BPrintf) {
CxBuffer buf;
cxBufferInit(&buf, nullptr, 64, &alloc, 0);
auto r = cx_bprintf(&buf, "This %s aged %u years in a %2XSK.", "Test", 10, 0xca);
EXPECT_EQ(r, 34);
EXPECT_EQ(buf.size, 34);
buf.space[r] = '\0';
EXPECT_STREQ(buf.space, "This Test aged 10 years in a CASK.");
cxBufferDestroy(&buf);
}
TEST_F(PrintfFixture, FPrintf) {
auto h = "Hello";
size_t r;
r = cx_fprintf(&buf, PrintfFixture::write_func, "teststring");
EXPECT_EQ(r, 10);
EXPECT_EQ(buf, "teststring");
r = cx_fprintf(&buf, PrintfFixture::write_func, "[%10s]", h);
EXPECT_EQ(r, 12);
EXPECT_EQ(buf, "[ Hello]");
r = cx_fprintf(&buf, PrintfFixture::write_func, "[%-10s]", h);
EXPECT_EQ(r, 12);
EXPECT_EQ(buf, "[Hello ]");
r = cx_fprintf(&buf, PrintfFixture::write_func, "[%*s]", 10, h);
EXPECT_EQ(r, 12);
EXPECT_EQ(buf, "[ Hello]");
r = cx_fprintf(&buf, PrintfFixture::write_func, "[%-10.*s]", 4, h);
EXPECT_EQ(r, 12);
EXPECT_EQ(buf, "[Hell ]");
r = cx_fprintf(&buf, PrintfFixture::write_func, "[%-*.*s]", 10, 4, h);
EXPECT_EQ(r, 12);
EXPECT_EQ(buf, "[Hell ]");
r = cx_fprintf(&buf, PrintfFixture::write_func, "%c", 'A');
EXPECT_EQ(r, 1);
EXPECT_EQ(buf, "A");
r = cx_fprintf(&buf, PrintfFixture::write_func, "%i %d %.6i %i %.0i %+i %i", 1, 2, 3, 0, 0, 4, -4);
EXPECT_EQ(r, 19);
EXPECT_EQ(buf, "1 2 000003 0 +4 -4");
r = cx_fprintf(&buf, PrintfFixture::write_func, "%x %x %X %#x", 5, 10, 10, 6);
EXPECT_EQ(r, 9);
EXPECT_EQ(buf, "5 a A 0x6");
r = cx_fprintf(&buf, PrintfFixture::write_func, "%o %#o %#o", 10, 10, 4);
EXPECT_EQ(r, 9);
EXPECT_EQ(buf, "12 012 04");
r = cx_fprintf(&buf, PrintfFixture::write_func, "%05.2f %.2f %5.2f", 1.5, 1.5, 1.5);
EXPECT_EQ(r, 16);
EXPECT_EQ(buf, "01.50 1.50 1.50");
r = cx_fprintf(&buf, PrintfFixture::write_func, "''%*c''", 5, 'x');
EXPECT_EQ(r, 7);
EXPECT_EQ(buf, "'' x''");
r = cx_fprintf(&buf, PrintfFixture::write_func, "''%*c''", -5, 'x');
EXPECT_EQ(r, 7);
EXPECT_EQ(buf, "''x ''");
}
TEST_F(PrintfFixture, BPrintfLargeString) {
CxBuffer buf;
cxBufferInit(&buf, nullptr, 64, &alloc, CX_BUFFER_AUTO_EXTEND);
auto aaa = std::string(512, 'a');
auto bbb = std::string(512, 'b');
auto r = cx_bprintf(&buf, "After %s comes %s.", aaa.data(), bbb.data());
EXPECT_EQ(r, 1038);
EXPECT_EQ(buf.size, 1038);
cxBufferPut(&buf, 0);
EXPECT_EQ(buf.space, std::string("After ") + aaa + " comes " + bbb + ".");
cxBufferDestroy(&buf);
}
TEST_F(PrintfFixture, BPrintfNoCap) {
CxBuffer buf;
char space[20];
memset(space, 'a', 20);
cxBufferInit(&buf, space, 16, &alloc, 0);
auto r = cx_bprintf(&buf, "Hello %s with more than %d chars.", "string", 16);
EXPECT_EQ(r, 16);
EXPECT_EQ(buf.size, 16);
EXPECT_EQ(0, memcmp(space, "Hello string witaaaa", 20));
cxBufferDestroy(&buf);
}
TEST_F(PrintfFixture, SPrintf) {
auto h = "Hello";
std::vector<char *> fl;
cxmutstr r;
r = cx_asprintf_a(&alloc, "teststring");
EXPECT_EQ(r.length, 10);
EXPECT_STREQ(r.ptr, "teststring");
fl.push_back(r.ptr);
r = cx_asprintf_a(&alloc, "[%10s]", h);
EXPECT_EQ(r.length, 12);
EXPECT_STREQ(r.ptr, "[ Hello]");
fl.push_back(r.ptr);
r = cx_asprintf_a(&alloc, "[%-10s]", h);
EXPECT_EQ(r.length, 12);
EXPECT_STREQ(r.ptr, "[Hello ]");
fl.push_back(r.ptr);
r = cx_asprintf_a(&alloc, "[%*s]", 10, h);
EXPECT_EQ(r.length, 12);
EXPECT_STREQ(r.ptr, "[ Hello]");
fl.push_back(r.ptr);
r = cx_asprintf_a(&alloc, "[%-10.*s]", 4, h);
EXPECT_EQ(r.length, 12);
EXPECT_STREQ(r.ptr, "[Hell ]");
fl.push_back(r.ptr);
r = cx_asprintf_a(&alloc, "[%-*.*s]", 10, 4, h);
EXPECT_EQ(r.length, 12);
EXPECT_STREQ(r.ptr, "[Hell ]");
fl.push_back(r.ptr);
r = cx_asprintf_a(&alloc, "%c", 'A');
EXPECT_EQ(r.length, 1);
EXPECT_STREQ(r.ptr, "A");
fl.push_back(r.ptr);
r = cx_asprintf_a(&alloc, "%i %d %.6i %i %.0i %+i %i", 1, 2, 3, 0, 0, 4, -4);
EXPECT_EQ(r.length, 19);
EXPECT_STREQ(r.ptr, "1 2 000003 0 +4 -4");
fl.push_back(r.ptr);
r = cx_asprintf_a(&alloc, "%x %x %X %#x", 5, 10, 10, 6);
EXPECT_EQ(r.length, 9);
EXPECT_STREQ(r.ptr, "5 a A 0x6");
fl.push_back(r.ptr);
r = cx_asprintf_a(&alloc, "%o %#o %#o", 10, 10, 4);
EXPECT_EQ(r.length, 9);
EXPECT_STREQ(r.ptr, "12 012 04");
fl.push_back(r.ptr);
r = cx_asprintf_a(&alloc, "%05.2f %.2f %5.2f", 1.5, 1.5, 1.5);
EXPECT_EQ(r.length, 16);
EXPECT_STREQ(r.ptr, "01.50 1.50 1.50");
fl.push_back(r.ptr);
r = cx_asprintf_a(&alloc, "''%*c''", 5, 'x');
EXPECT_EQ(r.length, 7);
EXPECT_STREQ(r.ptr, "'' x''");
fl.push_back(r.ptr);
r = cx_asprintf_a(&alloc, "''%*c''", -5, 'x');
EXPECT_EQ(r.length, 7);
EXPECT_STREQ(r.ptr, "''x ''");
fl.push_back(r.ptr);
for (auto c: fl) {
auto s = cx_mutstrn(c, 0);
cx_strfree_a(&alloc, &s);
}
}
TEST_F(PrintfFixture, SPrintfLargeString) {
auto aaa = std::string(512, 'a');
auto bbb = std::string(512, 'b');
auto r = cx_asprintf_a(&alloc, "After %s comes %s.", aaa.data(), bbb.data());
EXPECT_EQ(r.length, 1038);
EXPECT_EQ(r.ptr, std::string("After ") + aaa + " comes " + bbb + ".");
EXPECT_EQ(r.ptr[1038], '\0');
cx_strfree_a(&alloc, &r);
}