| /* Copyright 2013 The ChromiumOS Authors |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| * |
| * Test common utilities. |
| */ |
| |
| #include "common.h" |
| #include "console.h" |
| #include "shared_mem.h" |
| #include "system.h" |
| #include "test_util.h" |
| #include "timer.h" |
| #include "util.h" |
| #include "watchdog.h" |
| |
| static int test_uint64divmod_0(void) |
| { |
| uint64_t n = 8567106442584750ULL; |
| int d = 54870071; |
| int r = uint64divmod(&n, d); |
| |
| TEST_ASSERT(r == 5991285 && n == 156134415ULL); |
| return EC_SUCCESS; |
| } |
| |
| static int test_uint64divmod_1(void) |
| { |
| uint64_t n = 8567106442584750ULL; |
| int d = 2; |
| int r = uint64divmod(&n, d); |
| |
| TEST_ASSERT(r == 0 && n == 4283553221292375ULL); |
| return EC_SUCCESS; |
| } |
| |
| static int test_uint64divmod_2(void) |
| { |
| uint64_t n = 8567106442584750ULL; |
| int d = 0; |
| int r = uint64divmod(&n, d); |
| |
| TEST_ASSERT(r == 0 && n == 0ULL); |
| return EC_SUCCESS; |
| } |
| |
| static int test_get_next_bit(void) |
| { |
| uint32_t mask = 0x10001010; |
| |
| TEST_ASSERT(get_next_bit(&mask) == 28); |
| TEST_ASSERT(mask == 0x1010); |
| TEST_ASSERT(get_next_bit(&mask) == 12); |
| TEST_ASSERT(mask == 0x10); |
| TEST_ASSERT(get_next_bit(&mask) == 4); |
| TEST_ASSERT(mask == 0x0); |
| |
| return EC_SUCCESS; |
| } |
| |
| static int test_shared_mem(void) |
| { |
| int i; |
| int sz = shared_mem_size(); |
| char *mem1, *mem2; |
| |
| TEST_ASSERT(shared_mem_acquire(sz, &mem1) == EC_SUCCESS); |
| TEST_ASSERT(shared_mem_acquire(sz, &mem2) == EC_ERROR_BUSY); |
| |
| for (i = 0; i < 256; ++i) { |
| memset(mem1, i, sz); |
| TEST_ASSERT_MEMSET(mem1, (char)i, sz); |
| if ((i & 0xf) == 0) |
| msleep(20); /* Yield to other tasks */ |
| } |
| |
| shared_mem_release(mem1); |
| |
| return EC_SUCCESS; |
| } |
| |
| static int test_scratchpad(void) |
| { |
| uint32_t scratchpad_value; |
| |
| system_set_scratchpad(0xfeed); |
| TEST_EQ(system_get_scratchpad(&scratchpad_value), EC_SUCCESS, "%d"); |
| TEST_EQ(scratchpad_value, 0xfeed, "%d"); |
| |
| return EC_SUCCESS; |
| } |
| |
| static int test_cond_t(void) |
| { |
| cond_t c; |
| |
| /* one-shot? */ |
| cond_init_false(&c); |
| cond_set_true(&c); |
| TEST_ASSERT(cond_went_true(&c)); |
| TEST_ASSERT(!cond_went_true(&c)); |
| TEST_ASSERT(!cond_went_true(&c)); |
| cond_set_false(&c); |
| TEST_ASSERT(cond_went_false(&c)); |
| TEST_ASSERT(!cond_went_false(&c)); |
| TEST_ASSERT(!cond_went_false(&c)); |
| |
| /* one-shot when initially true? */ |
| cond_init_true(&c); |
| cond_set_false(&c); |
| TEST_ASSERT(cond_went_false(&c)); |
| TEST_ASSERT(!cond_went_false(&c)); |
| TEST_ASSERT(!cond_went_false(&c)); |
| cond_set_true(&c); |
| TEST_ASSERT(cond_went_true(&c)); |
| TEST_ASSERT(!cond_went_true(&c)); |
| TEST_ASSERT(!cond_went_true(&c)); |
| |
| /* still one-shot even if set multiple times? */ |
| cond_init_false(&c); |
| cond_set_true(&c); |
| cond_set_true(&c); |
| cond_set_true(&c); |
| cond_set_true(&c); |
| cond_set_true(&c); |
| cond_set_true(&c); |
| TEST_ASSERT(cond_went_true(&c)); |
| TEST_ASSERT(!cond_went_true(&c)); |
| TEST_ASSERT(!cond_went_true(&c)); |
| cond_set_true(&c); |
| cond_set_false(&c); |
| cond_set_false(&c); |
| cond_set_false(&c); |
| cond_set_false(&c); |
| cond_set_false(&c); |
| TEST_ASSERT(cond_went_false(&c)); |
| TEST_ASSERT(!cond_went_false(&c)); |
| TEST_ASSERT(!cond_went_false(&c)); |
| |
| /* only the detected transition direction resets it */ |
| cond_set_true(&c); |
| TEST_ASSERT(!cond_went_false(&c)); |
| TEST_ASSERT(cond_went_true(&c)); |
| TEST_ASSERT(!cond_went_false(&c)); |
| TEST_ASSERT(!cond_went_true(&c)); |
| cond_set_false(&c); |
| TEST_ASSERT(!cond_went_true(&c)); |
| TEST_ASSERT(!cond_went_true(&c)); |
| TEST_ASSERT(cond_went_false(&c)); |
| TEST_ASSERT(!cond_went_false(&c)); |
| TEST_ASSERT(!cond_went_false(&c)); |
| TEST_ASSERT(!cond_went_true(&c)); |
| TEST_ASSERT(!cond_went_true(&c)); |
| |
| /* multiple transitions between checks should notice both edges */ |
| cond_set_true(&c); |
| cond_set_false(&c); |
| cond_set_true(&c); |
| cond_set_false(&c); |
| cond_set_true(&c); |
| cond_set_false(&c); |
| TEST_ASSERT(cond_went_true(&c)); |
| TEST_ASSERT(!cond_went_true(&c)); |
| TEST_ASSERT(!cond_went_true(&c)); |
| TEST_ASSERT(!cond_went_true(&c)); |
| TEST_ASSERT(cond_went_false(&c)); |
| TEST_ASSERT(!cond_went_false(&c)); |
| TEST_ASSERT(!cond_went_false(&c)); |
| TEST_ASSERT(!cond_went_false(&c)); |
| TEST_ASSERT(!cond_went_true(&c)); |
| TEST_ASSERT(!cond_went_true(&c)); |
| TEST_ASSERT(!cond_went_false(&c)); |
| |
| /* Still has last value? */ |
| cond_set_true(&c); |
| cond_set_false(&c); |
| cond_set_true(&c); |
| cond_set_false(&c); |
| TEST_ASSERT(cond_is_false(&c)); |
| cond_set_false(&c); |
| cond_set_true(&c); |
| cond_set_false(&c); |
| cond_set_true(&c); |
| TEST_ASSERT(cond_is_true(&c)); |
| |
| /* well okay then */ |
| return EC_SUCCESS; |
| } |
| |
| static int test_mula32(void) |
| { |
| uint64_t r = 0x0; |
| uint64_t r2 = 0x0; |
| uint32_t b = 0x1; |
| uint32_t c = 0x1; |
| uint32_t i; |
| timestamp_t t0, t1; |
| |
| t0 = get_time(); |
| for (i = 0; i < 5000000; i++) { |
| r = mula32(b, c, r + (r >> 32)); |
| r2 = mulaa32(b, c, r2 >> 32, r2); |
| b = (b << 13) ^ (b >> 2) ^ i; |
| c = (c << 16) ^ (c >> 7) ^ i; |
| watchdog_reload(); |
| } |
| t1 = get_time(); |
| |
| ccprintf("After %d iterations, r=%08x%08x, r2=%08x%08x (time: %d)\n", i, |
| (uint32_t)(r >> 32), (uint32_t)r, (uint32_t)(r2 >> 32), |
| (uint32_t)r2, t1.le.lo - t0.le.lo); |
| TEST_ASSERT(r == 0x9df59b9fb0ab9d96L); |
| TEST_ASSERT(r2 == 0x9df59b9fb0beabd6L); |
| |
| /* well okay then */ |
| return EC_SUCCESS; |
| } |
| |
| static int test_bytes_are_trivial(void) |
| { |
| static const uint8_t all0x00[] = { 0x00, 0x00, 0x00 }; |
| static const uint8_t all0xff[] = { 0xff, 0xff, 0xff, 0xff }; |
| static const uint8_t nontrivial1[] = { 0x00, 0x01, 0x02 }; |
| static const uint8_t nontrivial2[] = { 0xdd, 0xee, 0xff }; |
| static const uint8_t nontrivial3[] = { 0x00, 0x00, 0x00, 0xff }; |
| static const uint8_t nontrivial4[] = { 0xff, 0x00, 0x00, 0x00 }; |
| |
| TEST_ASSERT(bytes_are_trivial(all0x00, sizeof(all0x00))); |
| TEST_ASSERT(bytes_are_trivial(all0xff, sizeof(all0xff))); |
| TEST_ASSERT(!bytes_are_trivial(nontrivial1, sizeof(nontrivial1))); |
| TEST_ASSERT(!bytes_are_trivial(nontrivial2, sizeof(nontrivial2))); |
| TEST_ASSERT(!bytes_are_trivial(nontrivial3, sizeof(nontrivial3))); |
| TEST_ASSERT(!bytes_are_trivial(nontrivial4, sizeof(nontrivial4))); |
| |
| return EC_SUCCESS; |
| } |
| |
| test_static int test_is_aligned(void) |
| { |
| TEST_EQ(is_aligned(2, 0), false, "%d"); |
| TEST_EQ(is_aligned(2, 1), true, "%d"); |
| TEST_EQ(is_aligned(2, 2), true, "%d"); |
| TEST_EQ(is_aligned(2, 3), false, "%d"); |
| TEST_EQ(is_aligned(2, 4), false, "%d"); |
| |
| TEST_EQ(is_aligned(3, 0), false, "%d"); |
| TEST_EQ(is_aligned(3, 1), true, "%d"); |
| TEST_EQ(is_aligned(3, 2), false, "%d"); |
| TEST_EQ(is_aligned(3, 3), false, "%d"); |
| TEST_EQ(is_aligned(3, 4), false, "%d"); |
| |
| return EC_SUCCESS; |
| } |
| |
| test_static int test_safe_memcmp(void) |
| { |
| const char str1[] = "abc"; |
| const char str2[] = "def"; |
| const char str3[] = "abc"; |
| |
| /* Verify that the compiler hasn't optimized str1 and str3 to point |
| * to the same underlying memory. |
| */ |
| TEST_NE(str1, str3, "%p"); |
| |
| TEST_EQ(safe_memcmp(NULL, NULL, 0), 0, "%d"); |
| TEST_EQ(safe_memcmp(str1, str2, sizeof(str1)), 1, "%d"); |
| TEST_EQ(safe_memcmp(str1, str3, sizeof(str1)), 0, "%d"); |
| return EC_SUCCESS; |
| } |
| |
| test_static int test_alignment_log2(void) |
| { |
| TEST_EQ(alignment_log2(1), 0, "%d"); |
| TEST_EQ(alignment_log2(2), 1, "%d"); |
| TEST_EQ(alignment_log2(5), 0, "%d"); |
| TEST_EQ(alignment_log2(0x10070000), 16, "%d"); |
| TEST_EQ(alignment_log2(0x80000000), 31, "%d"); |
| return EC_SUCCESS; |
| } |
| |
| test_static int test_binary_first_base3_from_bits(void) |
| { |
| int n0[] = { 0, 0, 0 }; /* LSB first */ |
| int n7[] = { 1, 1, 1 }; |
| int n8[] = { 2, 0, 0 }; |
| int n9[] = { 2, 1, 0 }; |
| int n10[] = { 0, 2, 0 }; |
| int n11[] = { 1, 2, 0 }; |
| int n18[] = { 0, 0, 2 }; |
| int n26[] = { 2, 2, 2 }; |
| int n38[] = { 1, 2, 0, 1 }; |
| |
| TEST_EQ(binary_first_base3_from_bits(n0, ARRAY_SIZE(n0)), 0, "%d"); |
| TEST_EQ(binary_first_base3_from_bits(n7, ARRAY_SIZE(n7)), 7, "%d"); |
| TEST_EQ(binary_first_base3_from_bits(n8, ARRAY_SIZE(n8)), 8, "%d"); |
| TEST_EQ(binary_first_base3_from_bits(n9, ARRAY_SIZE(n9)), 9, "%d"); |
| TEST_EQ(binary_first_base3_from_bits(n10, ARRAY_SIZE(n10)), 10, "%d"); |
| TEST_EQ(binary_first_base3_from_bits(n11, ARRAY_SIZE(n11)), 11, "%d"); |
| TEST_EQ(binary_first_base3_from_bits(n18, ARRAY_SIZE(n18)), 18, "%d"); |
| TEST_EQ(binary_first_base3_from_bits(n26, ARRAY_SIZE(n26)), 26, "%d"); |
| TEST_EQ(binary_first_base3_from_bits(n38, ARRAY_SIZE(n38)), 38, "%d"); |
| return EC_SUCCESS; |
| } |
| |
| test_static int test_parse_bool(void) |
| { |
| int bool_val; |
| int rv; |
| |
| /* False cases. */ |
| |
| bool_val = 1; |
| rv = parse_bool("off", &bool_val); |
| TEST_EQ(rv, 1, "%d"); |
| TEST_EQ(bool_val, 0, "%d"); |
| |
| bool_val = 1; |
| rv = parse_bool("dis", &bool_val); |
| TEST_EQ(rv, 1, "%d"); |
| TEST_EQ(bool_val, 0, "%d"); |
| |
| bool_val = 1; |
| rv = parse_bool("f", &bool_val); |
| TEST_EQ(rv, 1, "%d"); |
| TEST_EQ(bool_val, 0, "%d"); |
| |
| bool_val = 1; |
| rv = parse_bool("n", &bool_val); |
| TEST_EQ(rv, 1, "%d"); |
| TEST_EQ(bool_val, 0, "%d"); |
| |
| /* True cases. */ |
| |
| bool_val = 0; |
| rv = parse_bool("on", &bool_val); |
| TEST_EQ(rv, 1, "%d"); |
| TEST_EQ(bool_val, 1, "%d"); |
| |
| bool_val = 0; |
| rv = parse_bool("ena", &bool_val); |
| TEST_EQ(rv, 1, "%d"); |
| TEST_EQ(bool_val, 1, "%d"); |
| |
| bool_val = 0; |
| rv = parse_bool("t", &bool_val); |
| TEST_EQ(rv, 1, "%d"); |
| TEST_EQ(bool_val, 1, "%d"); |
| |
| bool_val = 0; |
| rv = parse_bool("y", &bool_val); |
| TEST_EQ(rv, 1, "%d"); |
| TEST_EQ(bool_val, 1, "%d"); |
| |
| /* Error case. */ |
| bool_val = -1; |
| rv = parse_bool("a", &bool_val); |
| TEST_EQ(rv, 0, "%d"); |
| TEST_EQ(bool_val, -1, "%d"); |
| |
| return EC_SUCCESS; |
| } |
| |
| void run_test(int argc, const char **argv) |
| { |
| test_reset(); |
| |
| RUN_TEST(test_uint64divmod_0); |
| RUN_TEST(test_uint64divmod_1); |
| RUN_TEST(test_uint64divmod_2); |
| RUN_TEST(test_get_next_bit); |
| RUN_TEST(test_shared_mem); |
| RUN_TEST(test_scratchpad); |
| RUN_TEST(test_cond_t); |
| RUN_TEST(test_mula32); |
| RUN_TEST(test_bytes_are_trivial); |
| RUN_TEST(test_is_aligned); |
| RUN_TEST(test_safe_memcmp); |
| RUN_TEST(test_alignment_log2); |
| RUN_TEST(test_binary_first_base3_from_bits); |
| RUN_TEST(test_parse_bool); |
| |
| test_print_result(); |
| } |