cosmopolitan/test/tool/build/lib/interner_test.c

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2020-06-15 14:18:57 +00:00
/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi
Copyright 2020 Justine Alexandra Roberts Tunney
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; version 2 of the License.
This program is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301 USA
*/
#include "libc/mem/mem.h"
#include "libc/runtime/gc.h"
#include "libc/str/str.h"
#include "libc/testlib/hyperion.h"
#include "libc/testlib/testlib.h"
#include "tool/build/lib/interner.h"
TEST(interner, test) {
struct Interner *t = defer(freeinterner, newinterner());
EXPECT_STREQ("hi", &t->p[intern(t, gc(strdup("hi")))]);
EXPECT_STREQ("there", &t->p[intern(t, gc(strdup("there")))]);
EXPECT_STREQ("hi", &t->p[intern(t, gc(strdup("hi")))]);
EXPECT_STREQ("there", &t->p[intern(t, gc(strdup("there")))]);
EXPECT_BINEQ(u"hi there  ", t->p);
EXPECT_EQ(strlen("hi") + 1 + strlen("there") + 1, t->i);
}
TEST(interner, testWordCount) {
struct Interner *t = defer(freeinterner, newinterner());
size_t i, j;
char word[16];
for (i = 0, j = 0; i < kHyperionSize; ++i) {
if (isalpha(kHyperion[i]) || kHyperion[i] == '\'') {
word[j++] = tolower(kHyperion[i]);
} else if (j) {
word[j] = '\0';
intern(t, word);
j = 0;
}
}
EXPECT_BINEQ(u"the fall of hyperion a dream", t->p);
/* 1547 = grep -Po "['a-zA-Z]+" hyperion.txt | tr A-Z a-z | dedupe | wc -l */
EXPECT_EQ(1548, interncount(t));
EXPECT_EQ(10502, t->i);
EXPECT_LT(t->i, t->n);
EXPECT_EQ('\0', t->p[t->i]);
}