[S] Change in flashrom[master]: tests: add mocks for libusb's asynchronous API

[Alexander Goncharov (Code Review)]

Alexander Goncharov has uploaded this change for review. ( https://review.coreboot.org/c/flashrom/+/69873 )

Change subject: tests: add mocks for libusb's asynchronous API
......................................................................

tests: add mocks for libusb's asynchronous API

This patch adds mocks for several libusb functions are introduced
in one of the previous commits.

Signed-off-by: Alexander Goncharov 
Change-Id: I5a316687ab39a112d968eeaedb71f7b4b659d8d5
---
M tests/io_mock.h
M tests/libusb_wraps.c
2 files changed, 25 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/flashrom refs/changes/73/69873/1

diff --git a/tests/io_mock.h b/tests/io_mock.h
index 644da74..3af5de4 100644
--- a/tests/io_mock.h
+++ b/tests/io_mock.h
@@ -99,6 +99,10 @@
    					uint8_t config_index,
    					struct libusb_config_descriptor **);
    void (*libusb_free_config_descriptor)(void *state, struct libusb_config_descriptor *);
+	struct libusb_transfer* (*libusb_alloc_transfer)(void *state, int iso_packets);
+	int (*libusb_submit_transfer)(void *state, struct libusb_transfer *transfer);
+	void (*libusb_free_transfer)(void *state, struct libusb_transfer *transfer);
+	int (*libusb_handle_events_timeout)(void *state, libusb_context *ctx, struct timeval *tv);

/* POSIX File I/O */
    int (*iom_open)(void *state, const char *pathname, int flags);
diff --git a/tests/libusb_wraps.c b/tests/libusb_wraps.c
index a05cbe9..be990a1 100644
--- a/tests/libusb_wraps.c
+++ b/tests/libusb_wraps.c
@@ -188,23 +188,31 @@
 struct libusb_transfer *__wrap_libusb_alloc_transfer(int iso_packets)
 {
    LOG_ME;
+	if (get_io() && get_io()->libusb_alloc_transfer)
+		return get_io()->libusb_alloc_transfer(get_io()->state, iso_packets);
    return not_null();
 }

int __wrap_libusb_submit_transfer(struct libusb_transfer *transfer)
 {
    LOG_ME;
+	if (get_io() && get_io()->libusb_submit_transfer)
+		return get_io()->libusb_submit_transfer(get_io()->state, transfer);
    return 0;
 }

void __wrap_libusb_free_transfer(struct libusb_transfer *transfer)
 {
    LOG_ME;
+	if (get_io() && get_io()->libusb_free_transfer)
+		get_io()->libusb_free_transfer(get_io()->state, transfer);
 }

int __wrap_libusb_handle_events_timeout(libusb_context *ctx, struct timeval *tv)
 {
    LOG_ME;
+	if (get_io() && get_io()->libusb_handle_events_timeout)
+		get_io()->libusb_handle_events_timeout(get_io()->state, ctx, tv);
    return 0;
 }