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Expand swprintf tests. 

Test: bionic unit tests
Bug: None
Change-Id: I36924c4bdd2fa2c25e50ef7fef5500a365721a05
This commit is contained in:
Dan Albert 2017-08-09 14:59:06 -07:00
parent 6805c2db39
commit 9601f162f4
1 changed files with 39 additions and 0 deletions
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39
tests/stdio_test.cpp
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@ -556,6 +556,45 @@ TEST(STDIO_TEST, swprintf_swscanf_inf_nan) {
L"[-NAN]", L"[NAN]", L"[+NAN]");
}
TEST(STDIO_TEST, swprintf) {
constexpr size_t nchars = 32;
wchar_t buf[nchars];
ASSERT_EQ(2, swprintf(buf, nchars, L"ab")) << strerror(errno);
ASSERT_EQ(std::wstring(L"ab"), buf);
ASSERT_EQ(5, swprintf(buf, nchars, L"%s", "abcde"));
ASSERT_EQ(std::wstring(L"abcde"), buf);
// Unlike swprintf(), swprintf() returns -1 in case of truncation
// and doesn't necessarily zero-terminate the output!
ASSERT_EQ(-1, swprintf(buf, 4, L"%s", "abcde"));
const char kString[] = "Hello, World";
ASSERT_EQ(12, swprintf(buf, nchars, L"%s", kString));
ASSERT_EQ(std::wstring(L"Hello, World"), buf);
ASSERT_EQ(12, swprintf(buf, 13, L"%s", kString));
ASSERT_EQ(std::wstring(L"Hello, World"), buf);
}
TEST(STDIO_TEST, swprintf_a) {
constexpr size_t nchars = 32;
wchar_t buf[nchars];
ASSERT_EQ(20, swprintf(buf, nchars, L"%a", 3.1415926535));
ASSERT_EQ(std::wstring(L"0x1.921fb54411744p+1"), buf);
}
TEST(STDIO_TEST, swprintf_ls) {
constexpr size_t nchars = 32;
wchar_t buf[nchars];
static const wchar_t kWideString[] = L"Hello\uff41 World";
ASSERT_EQ(12, swprintf(buf, nchars, L"%ls", kWideString));
ASSERT_EQ(std::wstring(kWideString), buf);
ASSERT_EQ(12, swprintf(buf, 13, L"%ls", kWideString));
ASSERT_EQ(std::wstring(kWideString), buf);
}
TEST(STDIO_TEST, snprintf_d_INT_MAX) {
char buf[BUFSIZ];
snprintf(buf, sizeof(buf), "%d", INT_MAX);