mirror of
https://github.com/dankamongmen/notcurses.git
synced 2024-11-02 09:40:15 +00:00
301 lines
8.2 KiB
C++
301 lines
8.2 KiB
C++
#include "main.h"
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#include <cfenv>
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#include <iostream>
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TEST(NotcursesPrefix, CornerInts) {
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char buf[PREFIXSTRLEN + 1];
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enmetric(0, 1, buf, 0, 1000, '\0');
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EXPECT_STREQ("0.00", buf);
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enmetric(0, 1, buf, 0, 1024, 'i');
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EXPECT_STREQ("0.00", buf); // no suffix on < mult
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enmetric(1, 1, buf, 0, 1000, '\0');
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EXPECT_STREQ("1.00", buf);
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enmetric(1, 1, buf, 0, 1024, 'i');
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EXPECT_STREQ("1.00", buf);
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enmetric(0, 1, buf, 1, 1000, '\0');
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EXPECT_STREQ("0", buf);
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enmetric(0, 1, buf, 1, 1024, 'i');
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EXPECT_STREQ("0", buf); // no suffix on < mult
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enmetric(1, 1, buf, 1, 1000, '\0');
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EXPECT_STREQ("1", buf);
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enmetric(1, 1, buf, 1, 1024, 'i');
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EXPECT_STREQ("1", buf);
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enmetric(999, 1, buf, 1, 1000, '\0');
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EXPECT_STREQ("999", buf);
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enmetric(1000, 1, buf, 1, 1000, '\0');
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EXPECT_STREQ("1K", buf);
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enmetric(1000, 1, buf, 1, 1000, 'i');
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EXPECT_STREQ("1Ki", buf);
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enmetric(1000, 1, buf, 1, 1024, 'i');
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EXPECT_STREQ("1000", buf); // FIXME should be 0.977Ki
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enmetric(1023, 1, buf, 1, 1000, '\0');
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EXPECT_STREQ("1.02K", buf);
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enmetric(1023, 1, buf, 1, 1024, 'i');
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EXPECT_STREQ("1023", buf);
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enmetric(1024, 1, buf, 1, 1000, '\0');
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EXPECT_STREQ("1.02K", buf);
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enmetric(1024, 1, buf, 1, 1024, 'i');
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EXPECT_STREQ("1Ki", buf);
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enmetric(1025, 1, buf, 1, 1000, '\0');
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EXPECT_STREQ("1.02K", buf);
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enmetric(1025, 1, buf, 0, 1024, 'i');
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EXPECT_STREQ("1.00Ki", buf);
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enmetric(1025, 1, buf, 1, 1024, 'i');
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EXPECT_STREQ("1.00Ki", buf);
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enmetric(4096, 1, buf, 1, 1000, '\0');
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EXPECT_STREQ("4.09K", buf);
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enmetric(4096, 1, buf, 1, 1024, 'i');
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EXPECT_STREQ("4Ki", buf);
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}
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TEST(NotcursesPrefix, Maxints) {
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char buf[PREFIXSTRLEN + 1];
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// FIXME these will change based on the size of intmax_t and uintmax_t
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enmetric(INTMAX_MAX - 1, 1, buf, 0, 1000, '\0');
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EXPECT_STREQ("9.22E", buf);
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enmetric(INTMAX_MAX, 1, buf, 0, 1000, '\0');
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EXPECT_STREQ("9.22E", buf);
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enmetric(UINTMAX_MAX - 1, 1, buf, 0, 1000, '\0');
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EXPECT_STREQ("18.44E", buf);
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enmetric(UINTMAX_MAX, 1, buf, 0, 1000, '\0');
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EXPECT_STREQ("18.44E", buf);
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}
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TEST(NotcursesPrefix, Maxints1024) {
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ASSERT_EQ(0, fesetround(FE_TOWARDZERO));
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char buf[PREFIXSTRLEN + 1], gold[PREFIXSTRLEN + 1];
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// FIXME these will change based on the size of intmax_t and uintmax_t
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enmetric(INTMAX_MAX - 1, 1, buf, 0, 1024, 'i');
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sprintf(gold, "%.2fEi", ((double)(INTMAX_MAX - (1ull << 53))) / (1ull << 60));
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EXPECT_STREQ(gold, buf);
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enmetric(INTMAX_MAX + 1ull, 1, buf, 0, 1024, 'i');
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sprintf(gold, "%.2fEi", ((double)(INTMAX_MAX + 1ull)) / (1ull << 60));
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EXPECT_STREQ(gold, buf);
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enmetric(UINTMAX_MAX - 1, 1, buf, 0, 1024, 'i');
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EXPECT_STREQ("15.99Ei", buf);
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enmetric(UINTMAX_MAX, 1, buf, 0, 1024, 'i');
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EXPECT_STREQ("15.99Ei", buf);
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enmetric(UINTMAX_MAX - (1ull << 53), 1, buf, 0, 1024, 'i');
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sprintf(gold, "%.2fEi", ((double)UINTMAX_MAX - (1ull << 53)) / (1ull << 60));
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EXPECT_STREQ(gold, buf);
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}
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const char suffixes[] = "\0KMGTPE";
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TEST(NotcursesPrefix, PowersOfTen) {
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char gold[PREFIXSTRLEN + 1];
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char buf[PREFIXSTRLEN + 1];
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uintmax_t goldval = 1;
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uintmax_t val = 1;
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size_t i = 0;
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do{
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enmetric(val, 1, buf, 0, 1000, '\0');
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const int sidx = i / 3;
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snprintf(gold, sizeof(gold), "%ju.00%c", goldval, suffixes[sidx]);
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EXPECT_STREQ(gold, buf);
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if(UINTMAX_MAX / val < 10){
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break;
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}
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val *= 10;
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if((goldval *= 10) == 1000){
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goldval = 1;
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}
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}while(++i < sizeof(suffixes) * 3);
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// If we ran through all our suffixes, that's a problem
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EXPECT_GT(sizeof(suffixes) * 3, i);
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}
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TEST(NotcursesPrefix, PowersOfTenNoDec) {
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char gold[PREFIXSTRLEN + 1];
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char buf[PREFIXSTRLEN + 1];
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uintmax_t goldval = 1;
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uintmax_t val = 1;
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size_t i = 0;
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do{
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enmetric(val, 1, buf, 1, 1000, '\0');
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const int sidx = i / 3;
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snprintf(gold, sizeof(gold), "%ju%c", goldval, suffixes[sidx]);
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EXPECT_STREQ(gold, buf);
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if(UINTMAX_MAX / val < 10){
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break;
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}
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val *= 10;
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if((goldval *= 10) == 1000){
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goldval = 1;
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}
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}while(++i < sizeof(suffixes) * 3);
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// If we ran through all our suffixes, that's a problem
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EXPECT_GT(sizeof(suffixes) * 3, i);
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}
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TEST(NotcursesPrefix, PowersOfTwo) {
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char gold[BPREFIXSTRLEN + 1];
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char buf[BPREFIXSTRLEN + 1];
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uintmax_t goldval = 1;
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uintmax_t val = 1;
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size_t i = 0;
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do{
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enmetric(val, 1, buf, 0, 1024, 'i');
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const int sidx = i / 10;
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snprintf(gold, sizeof(gold), "%ju.00%ci", goldval, suffixes[sidx]);
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EXPECT_STREQ(gold, buf);
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if(UINTMAX_MAX / val < 10){
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break;
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}
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val *= 2;
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if((goldval *= 2) == 1024){
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goldval = 1;
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}
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}while(++i < sizeof(suffixes) * 10);
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// If we ran through all our suffixes, that's a problem
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EXPECT_GT(sizeof(suffixes) * 10, i);
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}
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TEST(NotcursesPrefix, PowersOfTwoNoDec) {
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char gold[BPREFIXSTRLEN + 1];
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char buf[BPREFIXSTRLEN + 1];
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uintmax_t goldval = 1;
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uintmax_t val = 1;
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size_t i = 0;
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do{
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enmetric(val, 1, buf, 1, 1024, 'i');
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const int sidx = i / 10;
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snprintf(gold, sizeof(gold), "%ju%ci", goldval, suffixes[sidx]);
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EXPECT_STREQ(gold, buf);
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if(UINTMAX_MAX / val < 10){
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break;
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}
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val *= 2;
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if((goldval *= 2) == 1024){
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goldval = 1;
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}
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}while(++i < sizeof(suffixes) * 10);
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// If we ran through all our suffixes, that's a problem
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EXPECT_GT(sizeof(suffixes) * 10, i);
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}
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TEST(NotcursesPrefix, PowersOfTwoAsTens) {
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char gold[PREFIXSTRLEN + 1];
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char buf[PREFIXSTRLEN + 1];
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uintmax_t vfloor = 1;
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uintmax_t val = 1;
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size_t i = 0;
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ASSERT_EQ(0, fesetround(FE_TOWARDZERO));
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do{
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enmetric(val, 1, buf, 0, 1000, '\0');
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const int sidx = i / 10;
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snprintf(gold, sizeof(gold), "%.2f%c",
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((double)val) / vfloor, suffixes[sidx]);
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EXPECT_STREQ(gold, buf);
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if(UINTMAX_MAX / val < 10){
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break;
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}
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val *= 2;
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if(i % 10 == 9){
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vfloor *= 1000;
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}
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}while(++i < sizeof(suffixes) * 10);
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// If we ran through all our suffixes, that's a problem
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EXPECT_GT(sizeof(suffixes) * 10, i);
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}
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TEST(NotcursesPrefix, PowersOfTenAsTwos) {
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char gold[BPREFIXSTRLEN + 1];
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char buf[BPREFIXSTRLEN + 1];
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uintmax_t vfloor = 1;
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uintmax_t val = 1;
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size_t i = 0;
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ASSERT_EQ(0, fesetround(FE_TOWARDZERO));
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do{
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enmetric(val, 1, buf, 0, 1024, 'i');
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const int sidx = i ? (i - 1) / 3 : 0;
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snprintf(gold, sizeof(gold), "%.2f%ci",
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((double)val) / vfloor, suffixes[sidx]);
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EXPECT_STREQ(gold, buf);
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if(UINTMAX_MAX / val < 10){
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break;
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}
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val *= 10;
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if(i && i % 3 == 0){
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vfloor *= 1024;
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}
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}while(++i < sizeof(suffixes) * 10);
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// If we ran through all our suffixes, that's a problem
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EXPECT_GT(sizeof(suffixes) * 10, i);
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}
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TEST(NotcursesPrefix, PowersOfTenMinusOne) {
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char gold[PREFIXSTRLEN + 1];
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char buf[PREFIXSTRLEN + 1];
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uintmax_t vfloor = 1;
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uintmax_t val = 1;
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size_t i = 0;
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ASSERT_EQ(0, fesetround(FE_TOWARDZERO));
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do{
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enmetric(val - 1, 1, buf, 0, 1000, '\0');
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const int sidx = i ? (i - 1) / 3 : 0;
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snprintf(gold, sizeof(gold), "%.2f%c",
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((double)(val - 1)) / vfloor, suffixes[sidx]);
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EXPECT_STREQ(gold, buf);
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if(UINTMAX_MAX / val < 10){
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break;
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}
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val *= 10;
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if(i && i % 3 == 0){
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vfloor *= 1000;
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}
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}while(++i < sizeof(suffixes) * 3);
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// If we ran through all our suffixes, that's a problem
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EXPECT_GT(sizeof(suffixes) * 3, i);
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}
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TEST(NotcursesPrefix, PowersOfTenPlusOne) {
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char gold[PREFIXSTRLEN + 1];
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char buf[PREFIXSTRLEN + 1];
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uintmax_t vfloor = 1;
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uintmax_t val = 1;
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size_t i = 0;
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ASSERT_EQ(0, fesetround(FE_TOWARDZERO));
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do{
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enmetric(val + 1, 1, buf, 0, 1000, '\0');
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const int sidx = i / 3;
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snprintf(gold, sizeof(gold), "%.2f%c",
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((double)(val + 1)) / vfloor, suffixes[sidx]);
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EXPECT_STREQ(gold, buf);
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if(UINTMAX_MAX / val < 10){
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break;
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}
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val *= 10;
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if(i % 3 == 2){
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vfloor *= 1000;
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}
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}while(++i < sizeof(suffixes) * 3);
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// If we ran through all our suffixes, that's a problem
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EXPECT_GT(sizeof(suffixes) * 3, i);
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}
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TEST(NotcursesPrefix, PowersOfTenMinusOneAsTwos) {
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char gold[BPREFIXSTRLEN + 1];
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char buf[BPREFIXSTRLEN + 1];
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uintmax_t vfloor = 1;
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uintmax_t val = 1;
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size_t i = 0;
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ASSERT_EQ(0, fesetround(FE_TOWARDZERO));
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do{
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enmetric(val - 1, 1, buf, 0, 1024, 'i');
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const int sidx = i ? (i - 1) / 3 : 0;
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snprintf(gold, sizeof(gold), "%.2f%ci",
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((double)(val - 1)) / vfloor, suffixes[sidx]);
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EXPECT_STREQ(gold, buf);
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if(UINTMAX_MAX / val < 10){
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break;
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}
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val *= 10;
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if(i && i % 3 == 0){
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vfloor *= 1024;
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}
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}while(++i < sizeof(suffixes) * 10);
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// If we ran through all our suffixes, that's a problem
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EXPECT_GT(sizeof(suffixes) * 10, i);
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}
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