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Parse printf format specs.

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This commit is contained in:
Victor Zverovich
2014-06-19 07:40:35 -07:00
parent 7d5da66db9
commit cb743c0249
3 changed files with 99 additions and 92 deletions
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test/printf-test.cc
+11 -4
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@@ -96,7 +96,7 @@ TEST(PrintfTest, SwitchArgIndexing) {
EXPECT_THROW_MSG(fmt::sprintf("%1$d%", 1, 2),
FormatError, "invalid format string");
EXPECT_THROW_MSG(fmt::sprintf(str(Format("%1$d%{}d", BIG_NUM)), 1, 2),
FormatError, "cannot switch from manual to automatic argument indexing");
FormatError, "number is too big in format");
EXPECT_THROW_MSG(fmt::sprintf("%1$d%d", 1, 2),
FormatError, "cannot switch from manual to automatic argument indexing");
@@ -109,9 +109,9 @@ TEST(PrintfTest, SwitchArgIndexing) {
// Indexing errors override width errors.
EXPECT_THROW_MSG(fmt::sprintf(str(Format("%d%1${}d", BIG_NUM)), 1, 2),
FormatError, "cannot switch from automatic to manual argument indexing");
FormatError, "number is too big in format");
EXPECT_THROW_MSG(fmt::sprintf(str(Format("%1$d%{}d", BIG_NUM)), 1, 2),
FormatError, "cannot switch from manual to automatic argument indexing");
FormatError, "number is too big in format");
}
TEST(PrintfTest, InvalidArgIndex) {
@@ -135,7 +135,6 @@ TEST(PrintfTest, DefaultAlignRight) {
TEST(PrintfTest, Width) {
EXPECT_PRINTF(" abc", "%5s", "abc");
EXPECT_EQ(" 42", str(fmt::sprintf("%*d", 5, 42)));
// Width cannot be specified twice.
EXPECT_THROW_MSG(fmt::sprintf("%5-5d", 42), FormatError,
@@ -147,6 +146,14 @@ TEST(PrintfTest, Width) {
FormatError, "number is too big in format");
}
TEST(PrintfTest, DynamicWidth) {
EXPECT_EQ(" 42", str(fmt::sprintf("%*d", 5, 42)));
EXPECT_THROW_MSG(fmt::sprintf("%*d", 5.0, 42), FormatError,
"width is not integer");
EXPECT_THROW_MSG(fmt::sprintf("%*d"), FormatError,
"argument index is out of range in format");
}
TEST(PrintfTest, ZeroFlag) {
EXPECT_PRINTF("00042", "%05d", 42);
EXPECT_PRINTF("-0042", "%05d", -42);