153 lines
4.3 KiB
C
153 lines
4.3 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* Test cases for API provided by resource.c and ioport.h
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*/
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#include <kunit/test.h>
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#include <linux/ioport.h>
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#include <linux/kernel.h>
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#include <linux/string.h>
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#define R0_START 0x0000
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#define R0_END 0xffff
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#define R1_START 0x1234
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#define R1_END 0x2345
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#define R2_START 0x4567
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#define R2_END 0x5678
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#define R3_START 0x6789
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#define R3_END 0x789a
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#define R4_START 0x2000
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#define R4_END 0x7000
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static struct resource r0 = { .start = R0_START, .end = R0_END };
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static struct resource r1 = { .start = R1_START, .end = R1_END };
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static struct resource r2 = { .start = R2_START, .end = R2_END };
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static struct resource r3 = { .start = R3_START, .end = R3_END };
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static struct resource r4 = { .start = R4_START, .end = R4_END };
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struct result {
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struct resource *r1;
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struct resource *r2;
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struct resource r;
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bool ret;
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};
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static struct result results_for_union[] = {
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{
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.r1 = &r1, .r2 = &r0, .r.start = R0_START, .r.end = R0_END, .ret = true,
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}, {
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.r1 = &r2, .r2 = &r0, .r.start = R0_START, .r.end = R0_END, .ret = true,
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}, {
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.r1 = &r3, .r2 = &r0, .r.start = R0_START, .r.end = R0_END, .ret = true,
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}, {
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.r1 = &r4, .r2 = &r0, .r.start = R0_START, .r.end = R0_END, .ret = true,
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}, {
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.r1 = &r2, .r2 = &r1, .ret = false,
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}, {
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.r1 = &r3, .r2 = &r1, .ret = false,
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}, {
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.r1 = &r4, .r2 = &r1, .r.start = R1_START, .r.end = R4_END, .ret = true,
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}, {
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.r1 = &r2, .r2 = &r3, .ret = false,
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}, {
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.r1 = &r2, .r2 = &r4, .r.start = R4_START, .r.end = R4_END, .ret = true,
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}, {
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.r1 = &r3, .r2 = &r4, .r.start = R4_START, .r.end = R3_END, .ret = true,
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},
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};
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static struct result results_for_intersection[] = {
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{
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.r1 = &r1, .r2 = &r0, .r.start = R1_START, .r.end = R1_END, .ret = true,
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}, {
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.r1 = &r2, .r2 = &r0, .r.start = R2_START, .r.end = R2_END, .ret = true,
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}, {
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.r1 = &r3, .r2 = &r0, .r.start = R3_START, .r.end = R3_END, .ret = true,
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}, {
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.r1 = &r4, .r2 = &r0, .r.start = R4_START, .r.end = R4_END, .ret = true,
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}, {
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.r1 = &r2, .r2 = &r1, .ret = false,
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}, {
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.r1 = &r3, .r2 = &r1, .ret = false,
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}, {
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.r1 = &r4, .r2 = &r1, .r.start = R4_START, .r.end = R1_END, .ret = true,
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}, {
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.r1 = &r2, .r2 = &r3, .ret = false,
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}, {
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.r1 = &r2, .r2 = &r4, .r.start = R2_START, .r.end = R2_END, .ret = true,
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}, {
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.r1 = &r3, .r2 = &r4, .r.start = R3_START, .r.end = R4_END, .ret = true,
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},
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};
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static void resource_do_test(struct kunit *test, bool ret, struct resource *r,
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bool exp_ret, struct resource *exp_r,
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struct resource *r1, struct resource *r2)
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{
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KUNIT_EXPECT_EQ_MSG(test, ret, exp_ret, "Resources %pR %pR", r1, r2);
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KUNIT_EXPECT_EQ_MSG(test, r->start, exp_r->start, "Start elements are not equal");
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KUNIT_EXPECT_EQ_MSG(test, r->end, exp_r->end, "End elements are not equal");
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}
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static void resource_do_union_test(struct kunit *test, struct result *r)
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{
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struct resource result;
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bool ret;
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memset(&result, 0, sizeof(result));
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ret = resource_union(r->r1, r->r2, &result);
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resource_do_test(test, ret, &result, r->ret, &r->r, r->r1, r->r2);
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memset(&result, 0, sizeof(result));
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ret = resource_union(r->r2, r->r1, &result);
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resource_do_test(test, ret, &result, r->ret, &r->r, r->r2, r->r1);
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}
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static void resource_test_union(struct kunit *test)
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{
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struct result *r = results_for_union;
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unsigned int i = 0;
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do {
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resource_do_union_test(test, &r[i]);
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} while (++i < ARRAY_SIZE(results_for_union));
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}
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static void resource_do_intersection_test(struct kunit *test, struct result *r)
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{
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struct resource result;
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bool ret;
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memset(&result, 0, sizeof(result));
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ret = resource_intersection(r->r1, r->r2, &result);
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resource_do_test(test, ret, &result, r->ret, &r->r, r->r1, r->r2);
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memset(&result, 0, sizeof(result));
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ret = resource_intersection(r->r2, r->r1, &result);
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resource_do_test(test, ret, &result, r->ret, &r->r, r->r2, r->r1);
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}
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static void resource_test_intersection(struct kunit *test)
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{
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struct result *r = results_for_intersection;
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unsigned int i = 0;
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do {
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resource_do_intersection_test(test, &r[i]);
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} while (++i < ARRAY_SIZE(results_for_intersection));
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}
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static struct kunit_case resource_test_cases[] = {
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KUNIT_CASE(resource_test_union),
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KUNIT_CASE(resource_test_intersection),
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{}
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};
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static struct kunit_suite resource_test_suite = {
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.name = "resource",
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.test_cases = resource_test_cases,
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};
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kunit_test_suite(resource_test_suite);
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MODULE_LICENSE("GPL");
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