termo/tests/05read.c

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#define _XOPEN_SOURCE
#include <stdio.h>
#include <errno.h>
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#include <unistd.h>
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#include "../termo.h"
#include "taplib.h"
int
main (int argc, char *argv[])
{
int fd[2];
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termo_t *tk;
termo_key_t key;
plan_tests (21);
// We'll need a real filehandle we can write/read. pipe() can make us one
pipe (fd);
// Sanitise this just in case
putenv ("TERM=vt100");
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tk = termo_new (fd[0], NULL, TERMO_FLAG_NOTERMIOS);
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is_int (termo_get_buffer_remaining (tk), 256,
"buffer free initially 256");
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is_int (termo_getkey (tk, &key), TERMO_RES_NONE,
"getkey yields RES_NONE when empty");
write (fd[1], "h", 1);
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is_int (termo_getkey (tk, &key), TERMO_RES_NONE,
"getkey yields RES_NONE before advisereadable");
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is_int (termo_advisereadable (tk), TERMO_RES_AGAIN,
"advisereadable yields RES_AGAIN after h");
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is_int (termo_get_buffer_remaining (tk), 255,
"buffer free 255 after advisereadable");
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is_int (termo_getkey (tk, &key), TERMO_RES_KEY,
"getkey yields RES_KEY after h");
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is_int (key.type, TERMO_TYPE_KEY, "key.type after h");
is_int (key.code.codepoint, 'h', "key.code.codepoint after h");
is_int (key.modifiers, 0, "key.modifiers after h");
is_str (key.multibyte, "h", "key.multibyte after h");
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is_int (termo_get_buffer_remaining (tk), 256,
"buffer free 256 after getkey");
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is_int (termo_getkey (tk, &key), TERMO_RES_NONE,
"getkey yields RES_NONE a second time");
write (fd[1], "\033O", 2);
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termo_advisereadable (tk);
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is_int (termo_get_buffer_remaining (tk), 254,
"buffer free 254 after partial write");
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is_int (termo_getkey (tk, &key), TERMO_RES_AGAIN,
"getkey yields RES_AGAIN after partial write");
write (fd[1], "C", 1);
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termo_advisereadable (tk);
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is_int (termo_getkey (tk, &key), TERMO_RES_KEY,
"getkey yields RES_KEY after Right completion");
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is_int (key.type, TERMO_TYPE_KEYSYM, "key.type after Right");
is_int (key.code.sym, TERMO_SYM_RIGHT, "key.code.sym after Right");
is_int (key.modifiers, 0, "key.modifiers after Right");
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is_int (termo_get_buffer_remaining (tk), 256,
"buffer free 256 after completion");
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termo_stop (tk);
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is_int (termo_getkey (tk, &key), TERMO_RES_ERROR,
"getkey yields RES_ERROR after termo_stop ()");
is_int (errno, EINVAL, "getkey error is EINVAL");
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termo_destroy (tk);
return exit_status ();
}