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Add the 'n' float format specifier

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This commit is contained in:
Victor Zverovich
2019-07-03 16:36:23 -07:00
parent f487ddbdfa
commit c9d5a08ed8
2 changed files with 18 additions and 2 deletions
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6
test/format-test.cc
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@@ -1424,7 +1424,7 @@ TEST(FormatterTest, FormatFloat) {
}
TEST(FormatterTest, FormatDouble) {
check_unknown_types(1.2, "eEfFgGaA%", "double");
check_unknown_types(1.2, "eEfFgGaAn%", "double");
EXPECT_EQ("0.0", format("{:}", 0.0));
EXPECT_EQ("0.000000", format("{:f}", 0.0));
EXPECT_EQ("0", format("{:g}", 0.0));
@@ -1447,6 +1447,10 @@ TEST(FormatterTest, FormatDouble) {
EXPECT_EQ(buffer, format("{:A}", -42.0));
}
TEST(FormatterTest, FormatDoubleLocale) {
EXPECT_EQ("1.23", format("{:n}", 1.23));
}
TEST(FormatterTest, PrecisionRounding) {
EXPECT_EQ("0", format("{:.0f}", 0.0));
EXPECT_EQ("0", format("{:.0f}", 0.01));