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35 * \brief sprintf() implementation based on _formatted_write()
37 * \author Bernie Innocenti <bernie@codewiz.org>
41 #include <cfg/compiler.h>
43 #include <cfg/debug.h>
49 #include <string.h> /* strcmp() */
52 int sprintf_testSetup(void)
58 int sprintf_testRun(void)
61 static const char test_string[] = "Hello, world!\n";
62 static const pgm_char test_string_pgm[] = "Hello, world!\n";
64 snprintf(buf, sizeof buf, "%s", test_string);
65 if (strcmp(buf, test_string) != 0)
68 snprintf(buf, sizeof buf, "%S", (const wchar_t *)test_string_pgm);
69 if (strcmp(buf, test_string_pgm) != 0)
72 #define TEST(FMT, VALUE, EXPECT) do { \
73 snprintf(buf, sizeof buf, FMT, VALUE); \
74 if (strcmp(buf, EXPECT) != 0) \
78 TEST("%d", 12345, "12345");
79 TEST("%ld", 123456789L, "123456789");
80 TEST("%ld", -12345678L, "-12345678");
81 TEST("%lu", 4294967295UL, "4294967295");
82 TEST("%hd", -12345, "-12345");
83 TEST("%hu", 65535U, "65535");
85 TEST("%8d", 123, " 123");
86 TEST("%8d", -123, " -123");
87 TEST("%-8d", -123, "-123 ");
88 TEST("%08d", -123, "-0000123");
90 TEST("%8.2f", -123.456, " -123.46");
91 TEST("%-8.2f", -123.456, "-123.46 ");
92 TEST("%8.0f", -123.456, " -123");
98 snprintf(buf, sizeof buf, "%s", (char *)(NULL));
99 if (strcmp(buf, "<NULL>") != 0)
101 snprintf(buf, sizeof buf, "%k");
102 if (strcmp(buf, "???") != 0)
104 sprintf(NULL, test_string); /* must not crash */
109 int sprintf_testTearDown(void)