tests: start chardev unit tests
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Message-Id: <20161022095318.17775-21-marcandre.lureau@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Marc-André Lureau
Paolo Bonzini
parent
fa394ed625
commit
ea3af47d75
@ -8,6 +8,8 @@ SYSEMU_TARGET_LIST := $(subst -softmmu.mak,,$(notdir \
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check-unit-y = tests/check-qdict$(EXESUF)
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gcov-files-check-qdict-y = qobject/qdict.c
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check-unit-y = tests/test-char$(EXESUF)
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gcov-files-check-qdict-y = qemu-char.c
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check-unit-y += tests/check-qfloat$(EXESUF)
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gcov-files-check-qfloat-y = qobject/qfloat.c
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check-unit-y += tests/check-qint$(EXESUF)
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@ -481,6 +483,8 @@ tests/check-qnull$(EXESUF): tests/check-qnull.o $(test-util-obj-y)
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tests/check-qjson$(EXESUF): tests/check-qjson.o $(test-util-obj-y)
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tests/check-qom-interface$(EXESUF): tests/check-qom-interface.o $(test-qom-obj-y)
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tests/check-qom-proplist$(EXESUF): tests/check-qom-proplist.o $(test-qom-obj-y)
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tests/test-char$(EXESUF): tests/test-char.o qemu-char.o qemu-timer.o $(test-util-obj-y) $(qtest-obj-y) $(test-io-obj-y)
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tests/test-coroutine$(EXESUF): tests/test-coroutine.o $(test-block-obj-y)
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tests/test-aio$(EXESUF): tests/test-aio.o $(test-block-obj-y)
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tests/test-rfifolock$(EXESUF): tests/test-rfifolock.o $(test-util-obj-y)
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253
tests/test-char.c
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253
tests/test-char.c
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@ -0,0 +1,253 @@
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#include "qemu/osdep.h"
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#include "qemu-common.h"
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#include "qemu/config-file.h"
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#include "sysemu/char.h"
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#include "sysemu/sysemu.h"
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#include "qapi/error.h"
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#include "qmp-commands.h"
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typedef struct FeHandler {
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int read_count;
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int last_event;
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char read_buf[128];
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} FeHandler;
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static int fe_can_read(void *opaque)
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{
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FeHandler *h = opaque;
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return sizeof(h->read_buf) - h->read_count;
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}
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static void fe_read(void *opaque, const uint8_t *buf, int size)
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{
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FeHandler *h = opaque;
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g_assert_cmpint(size, <=, fe_can_read(opaque));
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memcpy(h->read_buf + h->read_count, buf, size);
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h->read_count += size;
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}
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static void fe_event(void *opaque, int event)
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{
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FeHandler *h = opaque;
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h->last_event = event;
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}
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#ifdef CONFIG_HAS_GLIB_SUBPROCESS_TESTS
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static void char_stdio_test_subprocess(void)
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{
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CharDriverState *chr;
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CharBackend be;
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int ret;
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chr = qemu_chr_new("label", "stdio");
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g_assert_nonnull(chr);
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qemu_chr_fe_init(&be, chr, &error_abort);
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qemu_chr_fe_set_open(&be, true);
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ret = qemu_chr_fe_write(&be, (void *)"buf", 4);
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g_assert_cmpint(ret, ==, 4);
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qemu_chr_fe_deinit(&be);
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qemu_chr_delete(chr);
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}
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static void char_stdio_test(void)
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{
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g_test_trap_subprocess("/char/stdio/subprocess", 0, 0);
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g_test_trap_assert_passed();
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g_test_trap_assert_stdout("buf");
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}
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#endif
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static void char_ringbuf_test(void)
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{
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QemuOpts *opts;
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CharDriverState *chr;
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CharBackend be;
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char *data;
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int ret;
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opts = qemu_opts_create(qemu_find_opts("chardev"), "ringbuf-label",
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1, &error_abort);
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qemu_opt_set(opts, "backend", "ringbuf", &error_abort);
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qemu_opt_set(opts, "size", "5", &error_abort);
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chr = qemu_chr_new_from_opts(opts, NULL);
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g_assert_null(chr);
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qemu_opts_del(opts);
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opts = qemu_opts_create(qemu_find_opts("chardev"), "ringbuf-label",
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1, &error_abort);
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qemu_opt_set(opts, "backend", "ringbuf", &error_abort);
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qemu_opt_set(opts, "size", "2", &error_abort);
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chr = qemu_chr_new_from_opts(opts, &error_abort);
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g_assert_nonnull(chr);
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qemu_opts_del(opts);
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qemu_chr_fe_init(&be, chr, &error_abort);
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ret = qemu_chr_fe_write(&be, (void *)"buff", 4);
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g_assert_cmpint(ret, ==, 4);
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data = qmp_ringbuf_read("ringbuf-label", 4, false, 0, &error_abort);
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g_assert_cmpstr(data, ==, "ff");
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g_free(data);
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data = qmp_ringbuf_read("ringbuf-label", 4, false, 0, &error_abort);
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g_assert_cmpstr(data, ==, "");
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g_free(data);
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qemu_chr_fe_deinit(&be);
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qemu_chr_delete(chr);
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}
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static void char_mux_test(void)
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{
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QemuOpts *opts;
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CharDriverState *chr, *base;
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char *data;
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FeHandler h1 = { 0, }, h2 = { 0, };
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CharBackend chr_be1, chr_be2;
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opts = qemu_opts_create(qemu_find_opts("chardev"), "mux-label",
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1, &error_abort);
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qemu_opt_set(opts, "backend", "ringbuf", &error_abort);
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qemu_opt_set(opts, "size", "128", &error_abort);
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qemu_opt_set(opts, "mux", "on", &error_abort);
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chr = qemu_chr_new_from_opts(opts, &error_abort);
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g_assert_nonnull(chr);
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qemu_opts_del(opts);
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qemu_chr_fe_init(&chr_be1, chr, &error_abort);
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qemu_chr_fe_set_handlers(&chr_be1,
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fe_can_read,
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fe_read,
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fe_event,
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&h1,
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NULL);
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qemu_chr_fe_init(&chr_be2, chr, &error_abort);
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qemu_chr_fe_set_handlers(&chr_be2,
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fe_can_read,
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fe_read,
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fe_event,
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&h2,
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NULL);
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qemu_chr_fe_take_focus(&chr_be2);
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base = qemu_chr_find("mux-label-base");
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g_assert_cmpint(qemu_chr_be_can_write(base), !=, 0);
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qemu_chr_be_write(base, (void *)"hello", 6);
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g_assert_cmpint(h1.read_count, ==, 0);
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g_assert_cmpint(h2.read_count, ==, 6);
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g_assert_cmpstr(h2.read_buf, ==, "hello");
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h2.read_count = 0;
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/* switch focus */
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qemu_chr_be_write(base, (void *)"\1c", 2);
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qemu_chr_be_write(base, (void *)"hello", 6);
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g_assert_cmpint(h2.read_count, ==, 0);
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g_assert_cmpint(h1.read_count, ==, 6);
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g_assert_cmpstr(h1.read_buf, ==, "hello");
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h1.read_count = 0;
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/* remove first handler */
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qemu_chr_fe_set_handlers(&chr_be1, NULL, NULL, NULL, NULL, NULL);
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qemu_chr_be_write(base, (void *)"hello", 6);
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g_assert_cmpint(h1.read_count, ==, 0);
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g_assert_cmpint(h2.read_count, ==, 0);
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qemu_chr_be_write(base, (void *)"\1c", 2);
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qemu_chr_be_write(base, (void *)"hello", 6);
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g_assert_cmpint(h1.read_count, ==, 0);
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g_assert_cmpint(h2.read_count, ==, 6);
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g_assert_cmpstr(h2.read_buf, ==, "hello");
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h2.read_count = 0;
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/* print help */
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qemu_chr_be_write(base, (void *)"\1?", 2);
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data = qmp_ringbuf_read("mux-label-base", 128, false, 0, &error_abort);
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g_assert_cmpint(strlen(data), !=, 0);
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g_free(data);
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qemu_chr_fe_deinit(&chr_be1);
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qemu_chr_fe_deinit(&chr_be2);
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qemu_chr_delete(chr);
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}
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static void char_null_test(void)
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{
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Error *err = NULL;
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CharDriverState *chr;
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CharBackend be;
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int ret;
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chr = qemu_chr_find("label-null");
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g_assert_null(chr);
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chr = qemu_chr_new("label-null", "null");
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chr = qemu_chr_find("label-null");
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g_assert_nonnull(chr);
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g_assert(qemu_chr_has_feature(chr,
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QEMU_CHAR_FEATURE_FD_PASS) == false);
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g_assert(qemu_chr_has_feature(chr,
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QEMU_CHAR_FEATURE_RECONNECTABLE) == false);
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/* check max avail */
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qemu_chr_fe_init(&be, chr, &error_abort);
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qemu_chr_fe_init(&be, chr, &err);
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error_free_or_abort(&err);
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/* deinit & reinit */
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qemu_chr_fe_deinit(&be);
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qemu_chr_fe_init(&be, chr, &error_abort);
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qemu_chr_fe_set_open(&be, true);
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qemu_chr_fe_set_handlers(&be,
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fe_can_read,
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fe_read,
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fe_event,
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NULL, NULL);
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ret = qemu_chr_fe_write(&be, (void *)"buf", 4);
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g_assert_cmpint(ret, ==, 4);
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qemu_chr_fe_deinit(&be);
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qemu_chr_delete(chr);
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}
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static void char_invalid_test(void)
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{
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CharDriverState *chr;
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chr = qemu_chr_new("label-invalid", "invalid");
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g_assert_null(chr);
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}
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int main(int argc, char **argv)
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{
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g_test_init(&argc, &argv, NULL);
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module_call_init(MODULE_INIT_QOM);
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qemu_add_opts(&qemu_chardev_opts);
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g_test_add_func("/char/null", char_null_test);
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g_test_add_func("/char/invalid", char_invalid_test);
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g_test_add_func("/char/ringbuf", char_ringbuf_test);
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g_test_add_func("/char/mux", char_mux_test);
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#ifdef CONFIG_HAS_GLIB_SUBPROCESS_TESTS
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g_test_add_func("/char/stdio/subprocess", char_stdio_test_subprocess);
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g_test_add_func("/char/stdio", char_stdio_test);
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#endif
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return g_test_run();
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}
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