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-rw-r--r--test/lib/str.c369
1 files changed, 369 insertions, 0 deletions
diff --git a/test/lib/str.c b/test/lib/str.c
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+++ b/test/lib/str.c
@@ -0,0 +1,369 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright 2020 Google LLC
+ */
+
+#include <vsprintf.h>
+#include <test/lib.h>
+#include <test/test.h>
+#include <test/ut.h>
+
+/* This is large enough for any of the test strings */
+#define TEST_STR_SIZE 200
+
+static const char str1[] = "I'm sorry I'm late.";
+static const char str2[] = "1099abNo, don't bother apologising.";
+static const char str3[] = "0xbI'm sorry you're alive.";
+static const char str4[] = "1234567890123 I lost closer friends";
+static const char str5[] = "0x9876543210the last time I was deloused";
+static const char str6[] = "0778octal is seldom used";
+static const char str7[] = "707it is a piece of computing history";
+static const char str8[] = "0x887e2561352d80fa";
+static const char str9[] = "614FF7EAA63009DA";
+
+static int str_upper(struct unit_test_state *uts)
+{
+ char out[TEST_STR_SIZE];
+
+ /* Make sure it adds a terminator */
+ out[strlen(str1)] = 'a';
+ str_to_upper(str1, out, SIZE_MAX);
+ ut_asserteq_str("I'M SORRY I'M LATE.", out);
+
+ /* In-place operation */
+ strcpy(out, str2);
+ str_to_upper(out, out, SIZE_MAX);
+ ut_asserteq_str("1099ABNO, DON'T BOTHER APOLOGISING.", out);
+
+ /* Limited length */
+ str_to_upper(str1, out, 7);
+ ut_asserteq_str("I'M SORO, DON'T BOTHER APOLOGISING.", out);
+
+ /* In-place with limited length */
+ strcpy(out, str2);
+ str_to_upper(out, out, 7);
+ ut_asserteq_str("1099ABNo, don't bother apologising.", out);
+
+ /* Copy an empty string to a buffer with space*/
+ out[1] = 0x7f;
+ str_to_upper("", out, SIZE_MAX);
+ ut_asserteq('\0', *out);
+ ut_asserteq(0x7f, out[1]);
+
+ /* Copy an empty string to a buffer with no space*/
+ out[0] = 0x7f;
+ str_to_upper("", out, 0);
+ ut_asserteq(0x7f, out[0]);
+
+ return 0;
+}
+LIB_TEST(str_upper, 0);
+
+static int run_strtoul(struct unit_test_state *uts, const char *str, int base,
+ ulong expect_val, int expect_endp_offset, bool upper)
+{
+ char out[TEST_STR_SIZE];
+ char *endp;
+ ulong val;
+
+ strcpy(out, str);
+ if (upper)
+ str_to_upper(out, out, -1);
+
+ val = simple_strtoul(out, &endp, base);
+ ut_asserteq(expect_val, val);
+ ut_asserteq(expect_endp_offset, endp - out);
+
+ return 0;
+}
+
+static int str_simple_strtoul(struct unit_test_state *uts)
+{
+ int upper;
+
+ /* Check that it is case-insentive */
+ for (upper = 0; upper < 2; upper++) {
+ /* Base 10 and base 16 */
+ ut_assertok(run_strtoul(uts, str2, 10, 1099, 4, upper));
+ ut_assertok(run_strtoul(uts, str2, 16, 0x1099ab, 6, upper));
+ ut_assertok(run_strtoul(uts, str3, 16, 0xb, 3, upper));
+ ut_assertok(run_strtoul(uts, str3, 10, 0xb, 3, upper));
+
+ /* Octal */
+ ut_assertok(run_strtoul(uts, str6, 0, 63, 3, upper));
+ ut_assertok(run_strtoul(uts, str7, 8, 0x1c7, 3, upper));
+
+ /* Invalid string */
+ ut_assertok(run_strtoul(uts, str1, 10, 0, 0, upper));
+
+ /* Base 0 */
+ ut_assertok(run_strtoul(uts, str1, 0, 0, 0, upper));
+ ut_assertok(run_strtoul(uts, str2, 0, 1099, 4, upper));
+ ut_assertok(run_strtoul(uts, str3, 0, 0xb, 3, upper));
+
+ /* Base 2 */
+ ut_assertok(run_strtoul(uts, str1, 2, 0, 0, upper));
+ ut_assertok(run_strtoul(uts, str2, 2, 2, 2, upper));
+ }
+
+ /* Check endp being NULL */
+ ut_asserteq(1099, simple_strtoul(str2, NULL, 0));
+
+ return 0;
+}
+LIB_TEST(str_simple_strtoul, 0);
+
+static int run_strtoull(struct unit_test_state *uts, const char *str, int base,
+ unsigned long long expect_val, int expect_endp_offset,
+ bool upper)
+{
+ char out[TEST_STR_SIZE];
+ char *endp;
+ unsigned long long val;
+
+ strcpy(out, str);
+ if (upper)
+ str_to_upper(out, out, -1);
+
+ val = simple_strtoull(out, &endp, base);
+ ut_asserteq(expect_val, val);
+ ut_asserteq(expect_endp_offset, endp - out);
+
+ return 0;
+}
+
+static int str_simple_strtoull(struct unit_test_state *uts)
+{
+ int upper;
+
+ /* Check that it is case-insentive */
+ for (upper = 0; upper < 2; upper++) {
+ /* Base 10 and base 16 */
+ ut_assertok(run_strtoull(uts, str2, 10, 1099, 4, upper));
+ ut_assertok(run_strtoull(uts, str2, 16, 0x1099ab, 6, upper));
+ ut_assertok(run_strtoull(uts, str3, 16, 0xb, 3, upper));
+ ut_assertok(run_strtoull(uts, str3, 10, 0xb, 3, upper));
+
+ /* Octal */
+ ut_assertok(run_strtoull(uts, str6, 0, 63, 3, upper));
+ ut_assertok(run_strtoull(uts, str7, 8, 0x1c7, 3, upper));
+
+ /* Large values */
+ ut_assertok(run_strtoull(uts, str4, 10, 1234567890123, 13,
+ upper));
+ ut_assertok(run_strtoull(uts, str4, 16, 0x1234567890123, 13,
+ upper));
+ ut_assertok(run_strtoull(uts, str5, 0, 0x9876543210, 12,
+ upper));
+
+ /* Invalid string */
+ ut_assertok(run_strtoull(uts, str1, 10, 0, 0, upper));
+
+ /* Base 0 */
+ ut_assertok(run_strtoull(uts, str1, 0, 0, 0, upper));
+ ut_assertok(run_strtoull(uts, str2, 0, 1099, 4, upper));
+ ut_assertok(run_strtoull(uts, str3, 0, 0xb, 3, upper));
+
+ /* Base 2 */
+ ut_assertok(run_strtoull(uts, str1, 2, 0, 0, upper));
+ ut_assertok(run_strtoull(uts, str2, 2, 2, 2, upper));
+ }
+
+ /* Check endp being NULL */
+ ut_asserteq(1099, simple_strtoull(str2, NULL, 0));
+
+ return 0;
+}
+LIB_TEST(str_simple_strtoull, 0);
+
+static int str_hextoul(struct unit_test_state *uts)
+{
+ char *endp;
+
+ /* Just a simple test, since we know this uses simple_strtoul() */
+ ut_asserteq(0x1099ab, hextoul(str2, &endp));
+ ut_asserteq(6, endp - str2);
+
+ return 0;
+}
+LIB_TEST(str_hextoul, 0);
+
+static int str_hextoull(struct unit_test_state *uts)
+{
+ char *endp;
+
+ /* Just a simple test, since we know this uses simple_strtoull() */
+ ut_asserteq_64(0x887e2561352d80faULL, hextoull(str8, &endp));
+ ut_asserteq_64(0x12, endp - str8);
+ ut_asserteq_64(0x614ff7eaa63009daULL, hextoull(str9, &endp));
+ ut_asserteq_64(0x10, endp - str9);
+ ut_asserteq_64(0x887e2561352d80faULL, hextoull(str8, NULL));
+ ut_asserteq_64(0x614ff7eaa63009daULL, hextoull(str9, NULL));
+
+ return 0;
+}
+LIB_TEST(str_hextoull, 0);
+
+static int str_dectoul(struct unit_test_state *uts)
+{
+ char *endp;
+
+ /* Just a simple test, since we know this uses simple_strtoul() */
+ ut_asserteq(1099, dectoul(str2, &endp));
+ ut_asserteq(4, endp - str2);
+
+ return 0;
+}
+LIB_TEST(str_dectoul, 0);
+
+static int str_itoa(struct unit_test_state *uts)
+{
+ ut_asserteq_str("123", simple_itoa(123));
+ ut_asserteq_str("0", simple_itoa(0));
+ ut_asserteq_str("2147483647", simple_itoa(0x7fffffff));
+ ut_asserteq_str("4294967295", simple_itoa(0xffffffff));
+
+ /* Use #ifdef here to avoid a compiler warning on 32-bit machines */
+#ifdef CONFIG_PHYS_64BIT
+ if (sizeof(ulong) == 8) {
+ ut_asserteq_str("9223372036854775807",
+ simple_itoa((1UL << 63) - 1));
+ ut_asserteq_str("18446744073709551615", simple_itoa(-1));
+ }
+#endif /* CONFIG_PHYS_64BIT */
+
+ return 0;
+}
+LIB_TEST(str_itoa, 0);
+
+static int str_xtoa(struct unit_test_state *uts)
+{
+ ut_asserteq_str("7f", simple_xtoa(127));
+ ut_asserteq_str("00", simple_xtoa(0));
+ ut_asserteq_str("7fffffff", simple_xtoa(0x7fffffff));
+ ut_asserteq_str("ffffffff", simple_xtoa(0xffffffff));
+
+ /* Use #ifdef here to avoid a compiler warning on 32-bit machines */
+#ifdef CONFIG_PHYS_64BIT
+ if (sizeof(ulong) == 8) {
+ ut_asserteq_str("7fffffffffffffff",
+ simple_xtoa((1UL << 63) - 1));
+ ut_asserteq_str("ffffffffffffffff", simple_xtoa(-1));
+ }
+#endif /* CONFIG_PHYS_64BIT */
+
+ return 0;
+}
+LIB_TEST(str_xtoa, 0);
+
+static int str_trailing(struct unit_test_state *uts)
+{
+ const char str1[] = "abc123def";
+ const char str2[] = "abc123def456";
+ const char *end;
+
+ ut_asserteq(-1, trailing_strtol(""));
+ ut_asserteq(-1, trailing_strtol("123"));
+ ut_asserteq(123, trailing_strtol("abc123"));
+ ut_asserteq(4, trailing_strtol("12c4"));
+ ut_asserteq(-1, trailing_strtol("abd"));
+ ut_asserteq(-1, trailing_strtol("abc123def"));
+
+ ut_asserteq(-1, trailing_strtoln(str1, NULL));
+ ut_asserteq(123, trailing_strtoln(str1, str1 + 6));
+ ut_asserteq(-1, trailing_strtoln(str1, str1 + 9));
+
+ ut_asserteq(3, trailing_strtol("a3"));
+
+ ut_asserteq(123, trailing_strtoln_end(str1, str1 + 6, &end));
+ ut_asserteq(3, end - str1);
+
+ ut_asserteq(-1, trailing_strtoln_end(str1, str1 + 7, &end));
+ ut_asserteq(7, end - str1);
+
+ ut_asserteq(456, trailing_strtoln_end(str2, NULL, &end));
+ ut_asserteq(9, end - str2);
+
+ return 0;
+}
+LIB_TEST(str_trailing, 0);
+
+static int test_str_to_list(struct unit_test_state *uts)
+{
+ const char **ptr;
+ ulong start;
+
+ /* check out of memory */
+ start = ut_check_delta(0);
+ malloc_enable_testing(0);
+ ut_assertnull(str_to_list(""));
+ ut_assertok(ut_check_delta(start));
+
+ ut_assertnull(str_to_list("this is a test"));
+ ut_assertok(ut_check_delta(start));
+
+ malloc_enable_testing(1);
+ ut_assertnull(str_to_list("this is a test"));
+ ut_assertok(ut_check_delta(start));
+
+ /* for an empty string, only one nalloc is needed */
+ malloc_enable_testing(1);
+ ptr = str_to_list("");
+ ut_assertnonnull(ptr);
+ ut_assertnull(ptr[0]);
+ str_free_list(ptr);
+ ut_assertok(ut_check_delta(start));
+
+ malloc_disable_testing();
+
+ /* test the same again, without any nalloc restrictions */
+ ptr = str_to_list("");
+ ut_assertnonnull(ptr);
+ ut_assertnull(ptr[0]);
+ str_free_list(ptr);
+ ut_assertok(ut_check_delta(start));
+
+ /* test a single string */
+ start = ut_check_delta(0);
+ ptr = str_to_list("hi");
+ ut_assertnonnull(ptr);
+ ut_assertnonnull(ptr[0]);
+ ut_asserteq_str("hi", ptr[0]);
+ ut_assertnull(ptr[1]);
+ str_free_list(ptr);
+ ut_assertok(ut_check_delta(start));
+
+ /* test two strings */
+ ptr = str_to_list("hi there");
+ ut_assertnonnull(ptr);
+ ut_assertnonnull(ptr[0]);
+ ut_asserteq_str("hi", ptr[0]);
+ ut_assertnonnull(ptr[1]);
+ ut_asserteq_str("there", ptr[1]);
+ ut_assertnull(ptr[2]);
+ str_free_list(ptr);
+ ut_assertok(ut_check_delta(start));
+
+ /* test leading, trailing and multiple spaces */
+ ptr = str_to_list(" more space ");
+ ut_assertnonnull(ptr);
+ ut_assertnonnull(ptr[0]);
+ ut_asserteq_str("", ptr[0]);
+ ut_assertnonnull(ptr[1]);
+ ut_asserteq_str("more", ptr[1]);
+ ut_assertnonnull(ptr[2]);
+ ut_asserteq_str("", ptr[2]);
+ ut_assertnonnull(ptr[3]);
+ ut_asserteq_str("space", ptr[3]);
+ ut_assertnonnull(ptr[4]);
+ ut_asserteq_str("", ptr[4]);
+ ut_assertnull(ptr[5]);
+ str_free_list(ptr);
+ ut_assertok(ut_check_delta(start));
+
+ /* test freeing a NULL pointer */
+ str_free_list(NULL);
+
+ return 0;
+}
+LIB_TEST(test_str_to_list, 0);
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