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| author | Tim Schumacher <timschumi@gmx.de> | 2022-04-09 03:29:56 +0200 |
|---|---|---|
| committer | Ali Mohammad Pur <Ali.mpfard@gmail.com> | 2022-04-14 03:12:56 +0430 |
| commit | 66170ff632c58f7c8689e08eda218037b63632c3 (patch) | |
| tree | ed5a732d680e4124f575524897adc5d73b6e17d9 /Tests | |
| parent | 3651da6a964412193f085061015d6da5590f80e5 (diff) | |
| download | serenity-66170ff632c58f7c8689e08eda218037b63632c3.zip | |
Tests: Add a test for printf truncation
Diffstat (limited to 'Tests')
| -rw-r--r-- | Tests/LibC/TestSnprintf.cpp | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/Tests/LibC/TestSnprintf.cpp b/Tests/LibC/TestSnprintf.cpp index 0ab31f79d1..1fba55947d 100644 --- a/Tests/LibC/TestSnprintf.cpp +++ b/Tests/LibC/TestSnprintf.cpp @@ -11,6 +11,7 @@ #include <AK/StringBuilder.h> #include <ctype.h> #include <inttypes.h> +#include <limits.h> #include <stdint.h> #include <stdio.h> @@ -289,3 +290,38 @@ TEST_CASE(float_values) EXPECT(test_single<double>({ LITERAL("xxxxxxx"), "|%4f|", v.f, 6, LITERAL("| inf|\0") })); EXPECT(test_single<double>({ LITERAL("xxxxxxx"), "|%4f|", -v.f, 6, LITERAL("|-inf|\0") })); } + +TEST_CASE(truncation) +{ + EXPECT(test_single<int>({ LITERAL("xxxxxxxxxxxxx"), "|%d|", INT_MAX, 12, LITERAL("|2147483647|\0") })); + EXPECT(test_single<int>({ LITERAL("xxxxxxxxxxxxxx"), "|%d|", INT_MIN, 13, LITERAL("|-2147483648|\0") })); + + if constexpr (sizeof(long int) == 8) { + EXPECT(test_single<long int>({ LITERAL("xxxxxxxxxxxxxxxxxxxxxx"), "|%ld|", LONG_MAX, 21, LITERAL("|9223372036854775807|\0") })); + EXPECT(test_single<long int>({ LITERAL("xxxxxxxxxxxxxxxxxxxxxxx"), "|%ld|", LONG_MIN + 1, 22, LITERAL("|-9223372036854775807|\0") })); + } else { + EXPECT(test_single<long int>({ LITERAL("xxxxxxxxxxxxx"), "|%ld|", LONG_MAX, 12, LITERAL("|2147483647|\0") })); + EXPECT(test_single<long int>({ LITERAL("xxxxxxxxxxxxxx"), "|%ld|", LONG_MIN, 13, LITERAL("|-2147483648|\0") })); + } + + EXPECT(test_single<long long int>({ LITERAL("xxxxxxxxxxxxxxxxxxxxxx"), "|%lld|", LLONG_MAX, 21, LITERAL("|9223372036854775807|\0") })); + EXPECT(test_single<long long int>({ LITERAL("xxxxxxxxxxxxxxxxxxxxxxx"), "|%lld|", LLONG_MIN + 1, 22, LITERAL("|-9223372036854775807|\0") })); + + EXPECT(test_single<unsigned int>({ LITERAL("xxxxxxxxxxxxx"), "|%u|", UINT_MAX, 12, LITERAL("|4294967295|\0") })); + EXPECT(test_single<unsigned int>({ LITERAL("xxxxxxxxxxx"), "|%x|", UINT_MAX, 10, LITERAL("|ffffffff|\0") })); + EXPECT(test_single<unsigned int>({ LITERAL("xxxxxxxxxxx"), "|%X|", UINT_MAX, 10, LITERAL("|FFFFFFFF|\0") })); + + if constexpr (sizeof(unsigned long int) == 8) { + EXPECT(test_single<unsigned long int>({ LITERAL("xxxxxxxxxxxxxxxxxxxxxxx"), "|%lu|", ULONG_MAX, 22, LITERAL("|18446744073709551615|\0") })); + EXPECT(test_single<unsigned long int>({ LITERAL("xxxxxxxxxxxxxxxxxxx"), "|%lx|", ULONG_MAX, 18, LITERAL("|ffffffffffffffff|\0") })); + EXPECT(test_single<unsigned long int>({ LITERAL("xxxxxxxxxxxxxxxxxxx"), "|%lX|", ULONG_MAX, 18, LITERAL("|FFFFFFFFFFFFFFFF|\0") })); + } else { + EXPECT(test_single<unsigned long int>({ LITERAL("xxxxxxxxxxxxx"), "|%lu|", ULONG_MAX, 12, LITERAL("|4294967295|\0") })); + EXPECT(test_single<unsigned long int>({ LITERAL("xxxxxxxxxxx"), "|%lx|", ULONG_MAX, 10, LITERAL("|ffffffff|\0") })); + EXPECT(test_single<unsigned long int>({ LITERAL("xxxxxxxxxxx"), "|%lX|", ULONG_MAX, 10, LITERAL("|FFFFFFFF|\0") })); + } + + EXPECT(test_single<unsigned long long int>({ LITERAL("xxxxxxxxxxxxxxxxxxxxxxx"), "|%llu|", ULLONG_MAX, 22, LITERAL("|18446744073709551615|\0") })); + EXPECT(test_single<unsigned long long int>({ LITERAL("xxxxxxxxxxxxxxxxxxx"), "|%llx|", ULLONG_MAX, 18, LITERAL("|ffffffffffffffff|\0") })); + EXPECT(test_single<unsigned long long int>({ LITERAL("xxxxxxxxxxxxxxxxxxx"), "|%llX|", ULLONG_MAX, 18, LITERAL("|FFFFFFFFFFFFFFFF|\0") })); +} |