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Implement integer precision.

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This commit is contained in:
Victor Zverovich
2014-06-20 07:34:02 -07:00
parent cb743c0249
commit 879838a539
3 changed files with 94 additions and 87 deletions
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48
test/printf-test.cc
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@@ -133,27 +133,6 @@ TEST(PrintfTest, DefaultAlignRight) {
EXPECT_PRINTF(" abc", "%5s", "abc");
}
TEST(PrintfTest, Width) {
EXPECT_PRINTF(" abc", "%5s", "abc");
// Width cannot be specified twice.
EXPECT_THROW_MSG(fmt::sprintf("%5-5d", 42), FormatError,
"unknown format code '-' for integer");
EXPECT_THROW_MSG(fmt::sprintf(str(Format("%{}d", BIG_NUM)), 42),
FormatError, "number is too big in format");
EXPECT_THROW_MSG(fmt::sprintf(str(Format("%1${}d", BIG_NUM)), 42),
FormatError, "number is too big in format");
}
TEST(PrintfTest, DynamicWidth) {
EXPECT_EQ(" 42", str(fmt::sprintf("%*d", 5, 42)));
EXPECT_THROW_MSG(fmt::sprintf("%*d", 5.0, 42), FormatError,
"width is not integer");
EXPECT_THROW_MSG(fmt::sprintf("%*d"), FormatError,
"argument index is out of range in format");
}
TEST(PrintfTest, ZeroFlag) {
EXPECT_PRINTF("00042", "%05d", 42);
EXPECT_PRINTF("-0042", "%05d", -42);
@@ -227,6 +206,31 @@ TEST(PrintfTest, HashFlag) {
EXPECT_PRINTF("x", "%#c", 'x');
}
// TODO: test '*' width, precision, length and type specifier
TEST(PrintfTest, Width) {
EXPECT_PRINTF(" abc", "%5s", "abc");
// Width cannot be specified twice.
EXPECT_THROW_MSG(fmt::sprintf("%5-5d", 42), FormatError,
"unknown format code '-' for integer");
EXPECT_THROW_MSG(fmt::sprintf(str(Format("%{}d", BIG_NUM)), 42),
FormatError, "number is too big in format");
EXPECT_THROW_MSG(fmt::sprintf(str(Format("%1${}d", BIG_NUM)), 42),
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, Precision) {
EXPECT_PRINTF("00042", "%.5d", 42);
}
// TODO: test precision, length and type specifier
#endif