diff options
Diffstat (limited to 'test/cmd/setexpr.c')
| -rw-r--r-- | test/cmd/setexpr.c | 493 |
1 files changed, 493 insertions, 0 deletions
diff --git a/test/cmd/setexpr.c b/test/cmd/setexpr.c new file mode 100644 index 00000000000..d50ce5803c3 --- /dev/null +++ b/test/cmd/setexpr.c @@ -0,0 +1,493 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Tests for setexpr command + * + * Copyright 2020 Google LLC + * Written by Simon Glass <sjg@chromium.org> + */ + +#include <console.h> +#include <mapmem.h> +#include <dm/test.h> +#include <test/suites.h> +#include <test/ut.h> + +#define BUF_SIZE 0x100 + +/* Declare a new setexpr test */ +#define SETEXPR_TEST(_name, _flags) UNIT_TEST(_name, _flags, setexpr_test) + +/* Test 'setexpr' command with simply setting integers */ +static int setexpr_test_int(struct unit_test_state *uts) +{ + u8 *buf; + + buf = map_sysmem(0, BUF_SIZE); + memset(buf, '\xff', BUF_SIZE); + + /* byte */ + buf[0x0] = 0x12; + ut_assertok(run_command("setexpr.b fred 0", 0)); + ut_asserteq_str("0", env_get("fred")); + ut_assertok(run_command("setexpr.b fred *0", 0)); + ut_asserteq_str("12", env_get("fred")); + + /* 16-bit */ + *(short *)buf = 0x2345; + ut_assertok(run_command("setexpr.w fred 0", 0)); + ut_asserteq_str("0", env_get("fred")); + ut_assertok(run_command("setexpr.w fred *0", 0)); + ut_asserteq_str("2345", env_get("fred")); + + /* 32-bit */ + *(u32 *)buf = 0x3456789a; + ut_assertok(run_command("setexpr.l fred 0", 0)); + ut_asserteq_str("0", env_get("fred")); + ut_assertok(run_command("setexpr.l fred *0", 0)); + ut_asserteq_str("3456789a", env_get("fred")); + + /* 64-bit */ + *(u64 *)buf = 0x456789abcdef0123; + ut_assertok(run_command("setexpr.q fred 0", 0)); + ut_asserteq_str("0", env_get("fred")); + ut_assertok(run_command("setexpr.q fred *0", 0)); + ut_asserteq_str("456789abcdef0123", env_get("fred")); + + /* default */ + ut_assertok(run_command("setexpr fred 0", 0)); + ut_asserteq_str("0", env_get("fred")); + ut_assertok(run_command("setexpr fred *0", 0)); + ut_asserteq_str("cdef0123", env_get("fred")); + + unmap_sysmem(buf); + + return 0; +} +SETEXPR_TEST(setexpr_test_int, UT_TESTF_CONSOLE_REC); + +/* Test 'setexpr' command with + operator */ +static int setexpr_test_plus(struct unit_test_state *uts) +{ + char *buf; + + buf = map_sysmem(0, BUF_SIZE); + memset(buf, '\xff', BUF_SIZE); + + /* byte */ + buf[0x0] = 0x12; + buf[0x10] = 0x34; + ut_assertok(run_command("setexpr.b fred *0 + *10", 0)); + ut_asserteq_str("46", env_get("fred")); + + /* 16-bit */ + *(short *)buf = 0x2345; + *(short *)(buf + 0x10) = 0xf012; + ut_assertok(run_command("setexpr.w fred *0 + *10", 0)); + ut_asserteq_str("11357", env_get("fred")); + + /* 32-bit */ + *(u32 *)buf = 0x3456789a; + *(u32 *)(buf + 0x10) = 0xc3384235; + ut_assertok(run_command("setexpr.l fred *0 + *10", 0)); + ut_asserteq_str("f78ebacf", env_get("fred")); + + /* 64-bit */ + *(u64 *)buf = 0x456789abcdef0123; + *(u64 *)(buf + 0x10) = 0x4987328372849283; + ut_assertok(run_command("setexpr.q fred *0 + *10", 0)); + ut_asserteq_str("8eeebc2f407393a6", env_get("fred")); + + /* default */ + ut_assertok(run_command("setexpr fred *0 + *10", 0)); + ut_asserteq_str("1407393a6", env_get("fred")); + + unmap_sysmem(buf); + + return 0; +} +SETEXPR_TEST(setexpr_test_plus, UT_TESTF_CONSOLE_REC); + +/* Test 'setexpr' command with other operators */ +static int setexpr_test_oper(struct unit_test_state *uts) +{ + char *buf; + + buf = map_sysmem(0, BUF_SIZE); + memset(buf, '\xff', BUF_SIZE); + + *(u32 *)buf = 0x1234; + *(u32 *)(buf + 0x10) = 0x560000; + + /* Quote | to avoid confusing hush */ + ut_assertok(run_command("setexpr fred *0 \"|\" *10", 0)); + ut_asserteq_str("561234", env_get("fred")); + + *(u32 *)buf = 0x561200; + *(u32 *)(buf + 0x10) = 0x1234; + + /* Quote & to avoid confusing hush */ + ut_assertok(run_command("setexpr.l fred *0 \"&\" *10", 0)); + ut_asserteq_str("1200", env_get("fred")); + + ut_assertok(run_command("setexpr.l fred *0 ^ *10", 0)); + ut_asserteq_str("560034", env_get("fred")); + + ut_assertok(run_command("setexpr.l fred *0 - *10", 0)); + ut_asserteq_str("55ffcc", env_get("fred")); + + ut_assertok(run_command("setexpr.l fred *0 * *10", 0)); + ut_asserteq_str("61ebfa800", env_get("fred")); + + ut_assertok(run_command("setexpr.l fred *0 / *10", 0)); + ut_asserteq_str("4ba", env_get("fred")); + + ut_assertok(run_command("setexpr.l fred *0 % *10", 0)); + ut_asserteq_str("838", env_get("fred")); + + unmap_sysmem(buf); + + return 0; +} +SETEXPR_TEST(setexpr_test_oper, UT_TESTF_CONSOLE_REC); + +/* Test 'setexpr' command with regex */ +static int setexpr_test_regex(struct unit_test_state *uts) +{ + char *buf, *val; + + buf = map_sysmem(0, BUF_SIZE); + + /* Single substitution */ + ut_assertok(run_command("setenv fred 'this is a test'", 0)); + ut_assertok(run_command("setexpr fred sub is us", 0)); + val = env_get("fred"); + ut_asserteq_str("thus is a test", val); + + /* Global substitution */ + ut_assertok(run_command("setenv fred 'this is a test'", 0)); + ut_assertok(run_command("setexpr fred gsub is us", 0)); + val = env_get("fred"); + ut_asserteq_str("thus us a test", val); + + /* Global substitution */ + ut_assertok(run_command("setenv fred 'this is a test'", 0)); + ut_assertok(run_command("setenv mary 'this is a test'", 0)); + ut_assertok(run_command("setexpr fred gsub is us \"${mary}\"", 0)); + val = env_get("fred"); + ut_asserteq_str("thus us a test", val); + val = env_get("mary"); + ut_asserteq_str("this is a test", val); + + /* No match */ + ut_assertok(run_command("setenv fred 'this is a test'", 0)); + ut_assertok(run_command("setenv mary ''", 0)); + ut_assertok(run_command("setexpr fred gsub us is \"${fred}\"", 0)); + ut_assertok(run_command("setexpr mary gsub us is \"${fred}\"", 0)); + val = env_get("fred"); + ut_asserteq_str("this is a test", val); + val = env_get("mary"); + ut_asserteq_str("this is a test", val); + + unmap_sysmem(buf); + + return 0; +} +SETEXPR_TEST(setexpr_test_regex, UT_TESTF_CONSOLE_REC); + +/* Test 'setexpr' command with regex replacement that expands the string */ +static int setexpr_test_regex_inc(struct unit_test_state *uts) +{ + char *buf, *val; + + buf = map_sysmem(0, BUF_SIZE); + + ut_assertok(run_command("setenv fred 'this is a test'", 0)); + ut_assertok(run_command("setexpr fred gsub is much_longer_string", 0)); + val = env_get("fred"); + ut_asserteq_str("thmuch_longer_string much_longer_string a test", val); + unmap_sysmem(buf); + + return 0; +} +SETEXPR_TEST(setexpr_test_regex_inc, UT_TESTF_CONSOLE_REC); + +/* Test setexpr_regex_sub() directly to check buffer usage */ +static int setexpr_test_sub(struct unit_test_state *uts) +{ + char *buf, *nbuf; + int i; + + buf = map_sysmem(0, BUF_SIZE); + nbuf = map_sysmem(0x1000, BUF_SIZE); + + /* Add a pattern so we can check the buffer limits */ + memset(buf, '\xff', BUF_SIZE); + memset(nbuf, '\xff', BUF_SIZE); + for (i = BUF_SIZE; i < 0x1000; i++) { + buf[i] = i & 0xff; + nbuf[i] = i & 0xff; + } + strcpy(buf, "this is a test"); + + /* + * This is a regression test, since a bug was found in the use of + * memmove() in setexpr + */ + ut_assertok(setexpr_regex_sub(buf, BUF_SIZE, nbuf, BUF_SIZE, "is", + "us it is longer", true)); + ut_asserteq_str("thus it is longer us it is longer a test", buf); + for (i = BUF_SIZE; i < 0x1000; i++) { + ut_assertf(buf[i] == (char)i, + "buf byte at %x should be %02x, got %02x)\n", + i, i & 0xff, (u8)buf[i]); + ut_assertf(nbuf[i] == (char)i, + "nbuf byte at %x should be %02x, got %02x)\n", + i, i & 0xff, (u8)nbuf[i]); + } + + unmap_sysmem(buf); + + return 0; +} +SETEXPR_TEST(setexpr_test_sub, UT_TESTF_CONSOLE_REC); + +/* Test setexpr_regex_sub() with back references */ +static int setexpr_test_backref(struct unit_test_state *uts) +{ + char *buf, *nbuf; + int i; + + buf = map_sysmem(0, BUF_SIZE); + nbuf = map_sysmem(0x1000, BUF_SIZE); + + /* Add a pattern so we can check the buffer limits */ + memset(buf, '\xff', BUF_SIZE); + memset(nbuf, '\xff', BUF_SIZE); + for (i = BUF_SIZE; i < 0x1000; i++) { + buf[i] = i & 0xff; + nbuf[i] = i & 0xff; + } + strcpy(buf, "this is surely a test is it? yes this is indeed a test"); + + /* + * This is a regression test, since a bug was found in the use of + * memmove() in setexpr + */ + ut_assertok(setexpr_regex_sub(buf, BUF_SIZE, nbuf, BUF_SIZE, + "(this) (is) (surely|indeed)", + "us \\1 \\2 \\3!", true)); + ut_asserteq_str("us this is surely! a test is it? yes us this is indeed! a test", + buf); + + for (i = BUF_SIZE; i < 0x1000; i++) { + ut_assertf(buf[i] == (char)i, + "buf byte at %x should be %02x, got %02x)\n", + i, i & 0xff, (u8)buf[i]); + ut_assertf(nbuf[i] == (char)i, + "nbuf byte at %x should be %02x, got %02x)\n", + i, i & 0xff, (u8)nbuf[i]); + } + + unmap_sysmem(buf); + + return 0; +} +SETEXPR_TEST(setexpr_test_backref, UT_TESTF_CONSOLE_REC); + +/* Test 'setexpr' command with setting strings */ +static int setexpr_test_str(struct unit_test_state *uts) +{ + ulong start_mem; + char *buf; + + buf = map_sysmem(0, BUF_SIZE); + memset(buf, '\xff', BUF_SIZE); + + /* + * Set 'fred' to the same length as we expect to get below, to avoid a + * new allocation in 'setexpr'. That way we can check for memory leaks. + */ + ut_assertok(env_set("fred", "x")); + start_mem = ut_check_free(); + strcpy(buf, "hello"); + ut_asserteq(1, run_command("setexpr.s fred 0", 0)); + ut_assertok(ut_check_delta(start_mem)); + + ut_assertok(env_set("fred", "12345")); + start_mem = ut_check_free(); + ut_assertok(run_command("setexpr.s fred *0", 0)); + ut_asserteq_str("hello", env_get("fred")); + /* + * This fails in CI at present. + * + * ut_assertok(ut_check_delta(start_mem)); + */ + + unmap_sysmem(buf); + + return 0; +} +SETEXPR_TEST(setexpr_test_str, UT_TESTF_CONSOLE_REC); + + +/* Test 'setexpr' command with concatenating strings */ +static int setexpr_test_str_oper(struct unit_test_state *uts) +{ + ulong start_mem; + char *buf; + + buf = map_sysmem(0, BUF_SIZE); + memset(buf, '\xff', BUF_SIZE); + strcpy(buf, "hello"); + strcpy(buf + 0x10, " there"); + + ut_assertok(console_record_reset_enable()); + start_mem = ut_check_free(); + ut_asserteq(1, run_command("setexpr.s fred *0 * *10", 0)); + ut_assertok(ut_check_delta(start_mem)); + ut_assert_nextline("invalid op"); + ut_assert_console_end(); + + /* + * Set 'fred' to the same length as we expect to get below, to avoid a + * new allocation in 'setexpr'. That way we can check for memory leaks. + */ + ut_assertok(env_set("fred", "12345012345")); + start_mem = ut_check_free(); + ut_assertok(run_command("setexpr.s fred *0 + *10", 0)); + ut_asserteq_str("hello there", env_get("fred")); + + /* + * This check does not work with sandbox_flattree, apparently due to + * memory allocations in env_set(). + * + * The truetype console produces lots of memory allocations even though + * the LCD display is not visible. But even without these, it does not + * work. + * + * A better test would be for dlmalloc to record the allocs and frees + * for a particular caller, but that is not supported. + * + * For now, drop this test. + * + * ut_assertok(ut_check_delta(start_mem)); + */ + + unmap_sysmem(buf); + + return 0; +} +SETEXPR_TEST(setexpr_test_str_oper, UT_TESTF_CONSOLE_REC); + +/* Test 'setexpr' command with a string that is too long */ +static int setexpr_test_str_long(struct unit_test_state *uts) +{ + const int size = 128 << 10; /* setexpr strings are a max of 64KB */ + char *buf, *val; + + buf = map_sysmem(0, size); + memset(buf, 'a', size); + + /* String should be truncated to 64KB */ + ut_assertok(run_command("setexpr.s fred *0", 0)); + val = env_get("fred"); + ut_asserteq(64 << 10, strlen(val)); + + unmap_sysmem(buf); + + return 0; +} +SETEXPR_TEST(setexpr_test_str_long, UT_TESTF_CONSOLE_REC); + +#ifdef CONFIG_CMD_SETEXPR_FMT +/* Test 'setexpr' command with simply setting integers */ +static int setexpr_test_fmt(struct unit_test_state *uts) +{ + u8 *buf; + + buf = map_sysmem(0, BUF_SIZE); + memset(buf, '\xff', BUF_SIZE); + + /* Test decimal conversion */ + ut_assertok(run_command("setexpr fred fmt %d 0xff", 0)); + ut_asserteq_str("255", env_get("fred")); + /* Test hexadecimal conversion with 0x prefix and 4 digits */ + ut_assertok(run_command("setexpr fred fmt 0x%04x 257", 0)); + ut_asserteq_str("0x0257", env_get("fred")); + /* Test octal conversion with % prefix */ + ut_assertok(run_command("setexpr fred fmt %%%o 8", 0)); + ut_asserteq_str("%10", env_get("fred")); + /* Test argument surrounded by %% */ + ut_assertok(run_command("setexpr fred fmt %%%x%% 0xff", 0)); + ut_asserteq_str("%ff%", env_get("fred")); + /* Test escape sequence */ + ut_assertok(run_command("setexpr fred fmt \"hello\\040world\"", 0)); + ut_asserteq_str("hello world", env_get("fred")); + /* Test %b with string containing octal escape sequence */ + ut_assertok(run_command("setexpr fred fmt oh%bno \137", 0)); + ut_asserteq_str("oh_no", env_get("fred")); + /* Test %b with string containing \c escape sequence */ + ut_assertok(run_command("setexpr fred fmt hello%bworld \"\\c\"", 0)); + ut_asserteq_str("hello", env_get("fred")); + /* Test multiple arguments referencing environment varialbes */ + ut_assertok(run_command("setenv a eff", 0)); + ut_assertok(run_command("setenv b hello", 0)); + ut_assertok(run_command("setenv c 0x63", 0)); + ut_assertok(run_command("setenv d world", 0)); + ut_assertok(run_command("setexpr fred fmt \"0x%08x-%s-%d-%s\" $a $b $c $d", 0)); + ut_asserteq_str("0x00000eff-hello-99-world", env_get("fred")); + /* Test with two format specifiers, but only one argument */ + ut_assertok(run_command("setexpr fred fmt %d_%x 100", 0)); + ut_asserteq_str("256_0", env_get("fred")); + /* Test maximum string length */ + ut_assertok(run_command("setexpr fred fmt \"%0127d\" 7b", 0)); + ut_asserteq_str("0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000123", env_get("fred")); + /* Test maximum unsigned integer size */ + ut_assertok(run_command("setexpr fred fmt %u ffffffffffffffff", 0)); + ut_asserteq_str("18446744073709551615", env_get("fred")); + /* Test maximum positive integer size */ + ut_assertok(run_command("setexpr fred fmt %d 7fffffffffffffff", 0)); + ut_asserteq_str("9223372036854775807", env_get("fred")); + /* Test maximum negative integer size */ + ut_assertok(run_command("setexpr fred fmt %d 8000000000000000", 0)); + ut_asserteq_str("-9223372036854775808", env_get("fred")); + /* Test minimum negative integer size */ + ut_assertok(run_command("setexpr fred fmt %d ffffffffffffffff", 0)); + ut_asserteq_str("-1", env_get("fred")); + /* Test signed value with + sign */ + ut_assertok(run_command("setexpr fred fmt %d +5", 0)); + ut_asserteq_str("5", env_get("fred")); + /* Test signed value with - sign */ + ut_assertok(run_command("setexpr fred fmt %d -4", 0)); + ut_asserteq_str("-4", env_get("fred")); + /* Test unsigned value with + sign */ + ut_assertok(run_command("setexpr fred fmt %u +3", 0)); + ut_asserteq_str("3", env_get("fred")); + /* Test unsigned value with - sign */ + ut_assertok(run_command("setexpr fred fmt %x -2", 0)); + ut_asserteq_str("fffffffffffffffe", env_get("fred")); + /* Error test with missing format specifier */ + ut_asserteq(1, run_command("setexpr fred fmd hello 0xff", 0)); + /* Error test with invalid format type */ + ut_asserteq(1, run_command("setexpr fred fmt %a 0xff", 0)); + /* Error test with incomplete format specifier */ + ut_asserteq(1, run_command("setexpr fred fmt hello% bf", 0)); + /* Error exceeding maximum string length */ + ut_asserteq(1, run_command("setexpr fred fmt \"%0128d\" 456", 0)); + + unmap_sysmem(buf); + + return 0; +} + +SETEXPR_TEST(setexpr_test_fmt, UT_TESTF_CONSOLE_REC); +#endif + +int do_ut_setexpr(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[]) +{ + struct unit_test *tests = UNIT_TEST_SUITE_START(setexpr_test); + const int n_ents = UNIT_TEST_SUITE_COUNT(setexpr_test); + + return cmd_ut_category("cmd_setexpr", "setexpr_test_", tests, n_ents, + argc, argv); +} |