notcurses/tests/egcpool.cpp

115 lines
3.1 KiB
C++

#include <notcurses.h>
#include "egcpool.h"
#include "main.h"
class EGCPoolTest : public :: testing::Test {
protected:
void SetUp() override {
setlocale(LC_ALL, nullptr);
}
void TearDown() override {
egcpool_dump(&pool_);
}
egcpool pool_{};
};
TEST_F(EGCPoolTest, Initialized) {
EXPECT_EQ(nullptr, pool_.pool);
EXPECT_EQ(0, pool_.poolsize);
EXPECT_EQ(0, pool_.poolwrite);
EXPECT_EQ(0, pool_.poolused);
}
TEST_F(EGCPoolTest, UTF8EGC) {
const char* wstr = "";
int c;
auto ulen = utf8_egc_len(wstr, &c);
ASSERT_LT(0, ulen);
EXPECT_LT(0, c);
}
// we're gonna run both a composed latin a with grave, and then a latin a with
// a combining nonspacing grave
TEST_F(EGCPoolTest, UTF8EGCCombining) {
const char* w1 = "à"; // U+00E0, U+0000 (c3 a0)
const char* w2 = ""; // U+0061, U+0300, U+0000 (61 cc 80)
const char* w3 = "a"; // U+0061, U+0000 (61)
int c1, c2, c3;
auto u1 = utf8_egc_len(w1, &c1);
auto u2 = utf8_egc_len(w2, &c2);
auto u3 = utf8_egc_len(w3, &c3);
ASSERT_EQ(2, u1);
ASSERT_EQ(3, u2);
ASSERT_EQ(1, u3);
ASSERT_EQ(1, c1);
ASSERT_EQ(1, c2);
ASSERT_EQ(1, c3);
}
TEST_F(EGCPoolTest, AddAndRemove) {
const char* wstr = "";
size_t ulen;
int c; // column count
ASSERT_LE(0, egcpool_stash(&pool_, wstr, &ulen, &c));
ASSERT_LT(0, c);
EXPECT_NE(nullptr, pool_.pool);
EXPECT_STREQ(pool_.pool, wstr);
EXPECT_LT(0, pool_.poolsize);
EXPECT_EQ(ulen + 1, pool_.poolused);
EXPECT_LT(0, pool_.poolwrite);
EXPECT_LE(pool_.poolused, pool_.poolsize);
egcpool_release(&pool_, 0);
EXPECT_EQ('\0', *pool_.pool);
EXPECT_LT(0, pool_.poolsize);
EXPECT_EQ(0, pool_.poolused);
EXPECT_LT(0, pool_.poolwrite);
}
TEST_F(EGCPoolTest, AddTwiceRemoveFirst) {
const char* wstr = "";
size_t u1, u2; // bytes consumed
int c1, c2; // column counts
int o1 = egcpool_stash(&pool_, wstr, &u1, &c1);
int o2 = egcpool_stash(&pool_, wstr, &u2, &c2);
ASSERT_LE(0, o1);
ASSERT_LT(o1, o2);
ASSERT_LT(0, c1);
ASSERT_EQ(c1, c2);
EXPECT_NE(nullptr, pool_.pool);
EXPECT_STREQ(pool_.pool + o1, wstr);
EXPECT_STREQ(pool_.pool + o2, wstr);
EXPECT_LT(0, pool_.poolsize);
EXPECT_EQ(u1 + u2 + 2, pool_.poolused);
EXPECT_EQ(u1 + u2 + 2, pool_.poolwrite);
EXPECT_LE(pool_.poolused, pool_.poolsize);
egcpool_release(&pool_, o1);
EXPECT_EQ('\0', pool_.pool[o1]);
EXPECT_EQ(u2 + 1, pool_.poolused);
EXPECT_LT(0, pool_.poolwrite);
}
TEST_F(EGCPoolTest, AddTwiceRemoveSecond) {
const char* wstr = "";
size_t u1, u2;
int c1, c2; // column counts
int o1 = egcpool_stash(&pool_, wstr, &u1, &c1);
int o2 = egcpool_stash(&pool_, wstr, &u2, &c2);
ASSERT_LT(o1, o2);
ASSERT_LT(0, c1);
ASSERT_EQ(c1, c2);
EXPECT_NE(nullptr, pool_.pool);
EXPECT_STREQ(pool_.pool + o1, wstr);
EXPECT_STREQ(pool_.pool + o2, wstr);
EXPECT_LT(0, pool_.poolsize);
EXPECT_EQ(u1 + u2 + 2, pool_.poolused);
EXPECT_EQ(u1 + u2 + 2, pool_.poolwrite);
EXPECT_LE(pool_.poolused, pool_.poolsize);
egcpool_release(&pool_, o2);
EXPECT_EQ('\0', pool_.pool[o2]);
EXPECT_EQ(u2 + 1, pool_.poolused);
EXPECT_LT(0, pool_.poolwrite);
}