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Generate events when devices are probed or removed, allowing hooks to be added for these situations. This is controlled by the DM_EVENT config option. Signed-off-by: Simon Glass <sjg@chromium.org>
86 lines
1.7 KiB
C
86 lines
1.7 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* Unit tests for event handling
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*
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* Copyright 2021 Google LLC
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* Written by Simon Glass <sjg@chromium.org>
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*/
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#include <common.h>
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#include <dm.h>
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#include <event.h>
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#include <test/common.h>
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#include <test/test.h>
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#include <test/ut.h>
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struct test_state {
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struct udevice *dev;
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int val;
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};
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static int h_adder(void *ctx, struct event *event)
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{
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struct event_data_test *data = &event->data.test;
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struct test_state *test_state = ctx;
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test_state->val += data->signal;
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return 0;
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}
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static int test_event_base(struct unit_test_state *uts)
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{
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struct test_state state;
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int signal;
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state.val = 12;
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ut_assertok(event_register("wibble", EVT_TEST, h_adder, &state));
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signal = 17;
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/* Check that the handler is called */
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ut_assertok(event_notify(EVT_TEST, &signal, sizeof(signal)));
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ut_asserteq(12 + 17, state.val);
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return 0;
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}
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COMMON_TEST(test_event_base, 0);
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static int h_probe(void *ctx, struct event *event)
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{
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struct test_state *test_state = ctx;
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test_state->dev = event->data.dm.dev;
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switch (event->type) {
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case EVT_DM_PRE_PROBE:
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test_state->val |= 1;
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break;
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case EVT_DM_POST_PROBE:
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test_state->val |= 2;
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break;
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default:
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break;
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}
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return 0;
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}
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static int test_event_probe(struct unit_test_state *uts)
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{
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struct test_state state;
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struct udevice *dev;
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state.val = 0;
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ut_assertok(event_register("pre", EVT_DM_PRE_PROBE, h_probe, &state));
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ut_assertok(event_register("post", EVT_DM_POST_PROBE, h_probe, &state));
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/* Probe a device */
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ut_assertok(uclass_first_device_err(UCLASS_TEST_FDT, &dev));
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/* Check that the handler is called */
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ut_asserteq(3, state.val);
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return 0;
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}
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COMMON_TEST(test_event_probe, UT_TESTF_DM | UT_TESTF_SCAN_FDT);
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