266 lines
10 KiB
C++
266 lines
10 KiB
C++
#include "rexy/string.hpp"
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#include "rexy/allocator.hpp"
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#include <cstdlib>
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#include <cstdio>
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#include <cstring>
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#include <utility>
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[[noreturn]] void error(const char* str){
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fprintf(stderr, "%s", str);
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exit(1);
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}
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using test_str = rexy::basic_string<char,rexy::allocator<char>>;
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void check_empty_construction(){
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test_str str1;
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if(str1.length() != 0)
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error("length() should return 0 on default init\n");
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if(test_str::uses_sso()){
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if(str1.get()[0] != 0)
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error("get() should return an empty, zero length string\n");
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}else{
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if(str1.get() != nullptr)
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error("get() should return a null string\n");
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}
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if(str1.valid())
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error("valid() should return false on empty string\n");
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if(str1.get() != str1.c_str())
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error("c_str() should be a synonymn of get()\n");
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if(char* c = str1;c != str1.get())
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error("conversion to pointer type should be synonymous with get()\n");
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test_str str2(str1);
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if(str2.length() != str1.length())
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error("copy construction on empty string should give equivalent length()\n");
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if(str2.capacity() != str1.capacity())
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error("copy construction on empty string should give equivalent capacity()\n");
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if(test_str::uses_sso()){
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if(str2.get()[0] != str1.get()[0])
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error("copy construction on empty string should give equivalent get()\n");
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}else{
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if(str2.get() != str1.get())
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error("copy construction on empty string should give equivalent get()\n");
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}
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test_str str3(std::move(str2));
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if(str3.length() != str1.length())
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error("move construction on empty string should give equivalent length()\n");
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if(str3.capacity() != str1.capacity())
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error("move construction on empty string should give equivalent capacity()\n");
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if(test_str::uses_sso()){
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if(str3.get()[0] != str1.get()[0])
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error("move construction on empty string should give equivalent get()\n");
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}else{
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if(str3.get() != str1.get())
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error("move construction on empty string should give equivalent get()\n");
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}
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}
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void check_short_construction(){
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if(!test_str::uses_sso())
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return;
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test_str::size_type cap = test_str::short_string_size();
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test_str str1("a");
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if(str1.length() != 1)
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error("short constructed string 'a' should be length() == 1\n");
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if(str1.capacity() != cap)
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error("short constructed string 'a' should be capacity() == short_string_size()\n");
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if(strcmp(str1.get(), "a"))
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error("short constructed string 'a' should be !strcmp(get(), \"a\")\n");
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test_str str2(str1);
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if(str2.length() != str1.length())
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error("short copy constructed string should have equal length()\n");
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if(str2.capacity() != str1.capacity())
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error("short copy constructed string should have equal capacity()\n");
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if(strcmp(str2.get(), str1.get()))
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error("short copy constructed string should have equivalent get()\n");
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test_str str3(std::move(str2));
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if(str3.length() != str1.length())
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error("short move constructed string should have equal length()\n");
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if(str3.capacity() != str1.capacity())
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error("short move constructed string should have equal capacity()\n");
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if(strcmp(str3.get(), str1.get()))
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error("short move constructed string should have equivalent get()\n");
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}
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void check_long_construction(){
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const char* data = "this is a really long string that should ensure that it makes a dynamic allocation even if it has a big buffer.";
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size_t len = strlen(data);
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test_str str1(data);
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if(str1.length() != len)
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error("long constructed string should be length() == strlen(data)\n");
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if(str1.capacity() < len)
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error("long constructed string should be capacity() >= strlen(data)\n");
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if(strcmp(str1.get(), data))
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error("long constructed string should be !strcmp(get(), data)\n");
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test_str str2(str1);
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if(str2.length() != str1.length())
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error("long copy constructed string should have equal length()\n");
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if(str2.capacity() != str1.capacity())
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error("long copy constructed string should have equal capacity()\n");
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if(strcmp(str2.get(), str1.get()))
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error("long copy constructed string should have equivalent get()\n");
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test_str str3(std::move(str2));
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if(str3.length() != str1.length())
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error("long move constructed string should have equal length()\n");
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if(str3.capacity() != str1.capacity())
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error("long move constructed string should have equal capacity()\n");
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if(strcmp(str3.get(), str1.get()))
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error("long move constructed string should have equivalent get()\n");
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}
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void check_short_assignment(){
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if(!test_str::uses_sso())
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return;
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const char* longstartdata = "this is another really long string that should ensure that it makes some sort of dyn alloc for big buf";
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test_str::size_type cap = test_str::short_string_size();
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test_str str1("zy");
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str1 = "a";
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if(str1.length() != 1)
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error("short assigned string 'a' should be length() == 1\n");
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if(str1.capacity() != cap)
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error("short assigned string 'a' should be capacity() == short_string_size()\n");
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if(strcmp(str1.get(), "a"))
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error("short assigned string 'a' should be !strcmp(get(), \"a\")\n");
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test_str str2("ba");
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str2 = str1;
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if(str2.length() != str1.length())
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error("short copy assigned string should have equal length()\n");
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if(str2.capacity() != str1.capacity())
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error("short copy assigned string should have equal capacity()\n");
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if(strcmp(str2.get(), str1.get()))
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error("short copy assigned string should have equivalent get()\n");
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test_str str3("cb");
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str3 = std::move(str2);
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if(str3.length() != str1.length())
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error("short move assigned string should have equal length()\n");
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if(str3.capacity() != str1.capacity())
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error("short move assigned string should have equal capacity()\n");
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if(strcmp(str3.get(), str1.get()))
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error("short move assigned string should have equivalent get()\n");
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test_str str4(longstartdata);
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str4 = str1;
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if(str4.length() != str1.length())
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error("long->short copy assigned string should have equal length()\n");
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if(str4.capacity() < str1.capacity())
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error("long->short copy assigned string should have equal or greater capacity()\n");
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if(strcmp(str4.get(), str1.get()))
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error("long->short copy assigned string should have equivalent get()\n");
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test_str str5(longstartdata);
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str5 = std::move(str4);
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if(str5.length() != str1.length())
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error("long->short move assigned string should have equal length()\n");
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if(str5.capacity() < str1.capacity())
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error("long->short move assigned string should have equal or greater capacity()\n");
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if(strcmp(str5.get(), str1.get()))
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error("long->short move assigned string should have equivalent get()\n");
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}
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void check_long_assignment(){
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const char* startdata1 = "this is another really long string that should ensure that it makes some sort of dyn alloc for big buf";
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const char* startdata2 = "zy";
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const char* data = "this is a really long string that should ensure that it makes a dynamic allocation even if it has a big buffer.";
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size_t len = strlen(data);
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test_str str1(startdata1);
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str1 = data;
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if(str1.length() != len)
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error("long assigned string should be length() == strlen(data)\n");
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if(str1.capacity() < len)
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error("long assigned string should be capacity() >= strlen(data)\n");
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if(strcmp(str1.get(), data))
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error("long assigned string should be !strcmp(get(), data)\n");
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test_str str2(startdata1);
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str2 = str1;
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if(str2.length() != str1.length())
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error("long copy assigned string should have equal length()\n");
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if(str2.capacity() != str1.capacity())
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error("long copy assigned string should have equal capacity()\n");
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if(strcmp(str2.get(), str1.get()))
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error("long copy assigned string should have equivalent get()\n");
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test_str str3(startdata1);
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str3 = std::move(str2);
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if(str3.length() != str1.length())
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error("long move assigned string should have equal length()\n");
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if(str3.capacity() != str1.capacity())
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error("long move assigned string should have equal capacity()\n");
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if(strcmp(str3.get(), str1.get()))
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error("long move assigned string should have equivalent get()\n");
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test_str str4(startdata2);
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str4 = str1;
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if(str4.length() != str1.length())
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error("short->long copy assigned string should have equal length()\n");
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if(str4.capacity() != str1.capacity())
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error("short->long copy assigned string should have equal capacity()\n");
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if(strcmp(str4.get(), str1.get()))
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error("short->long copy assigned string should have equivalent get()\n");
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test_str str5(startdata2);
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str5 = std::move(str4);
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if(str5.length() != str1.length())
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error("short->long move assigned string should have equal length()\n");
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if(str5.capacity() != str1.capacity())
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error("short->long move assigned string should have equal capacity()\n");
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if(strcmp(str5.get(), str1.get()))
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error("short->long move assigned string should have equivalent get()\n");
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}
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void check_short_append(){
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test_str str1;
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test_str str2("bc");
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test_str str3("really long string that should trigger a short to long conversion in the string");
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str1.append("a");
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str1.append("b");
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str1.append(str2);
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if(strcmp(str1.get(), "abbc"))
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error("short append should have resulted in abbc\n");
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str1.append(str3);
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if(strcmp(str1, "abbcreally long string that should trigger a short to long conversion in the string"))
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error("short->long append should have resulted in abbcreally long string that should trigger a short to long conversion in the string\n");
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}
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void check_long_append(){
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const char* startdata1 = "this is another really long string that should ensure that it makes some sort of dyn alloc for big buf";
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const char* appendeddata = "this is another really long string that should ensure that it makes some sort of dyn alloc for big bufstuff";
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test_str str1(startdata1);
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str1.append("stuff");
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if(strcmp(str1.get(), appendeddata))
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error("long append should have resulted in this is another really long string that should ensure that it makes some sort of dyn alloc for big bufstuff\n");
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}
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void check_substring(){
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rexy::string test = "this is a test string";
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rexy::string test2 = test.substring(5, 7);
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if(strcmp(test2.get(), "is") || test2.length() != 2)
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error("substring operation should have resulted in 'is'\n");
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}
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void check_string_search(){
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rexy::string test1 = "this is a test string";
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rexy::string test2 = "string";
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auto res = test1.search(test2);
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if(test1 + 15 != res){
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error("string search operation did not result in a correct result");
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}
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}
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int main(){
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check_empty_construction();
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check_short_construction();
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check_long_construction();
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check_short_assignment();
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check_long_assignment();
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check_short_append();
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check_long_append();
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check_substring();
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check_string_search();
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}
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