// Copyright 2013 The Rust Project Developers. See the COPYRIGHT // file at the top-level directory of this distribution and at // http://rust-lang.org/COPYRIGHT. // // Licensed under the Apache License, Version 2.0 or the MIT license // , at your // option. This file may not be copied, modified, or distributed // except according to those terms. use std::fmt; struct A; struct B; #[fmt="foo"] impl fmt::Signed for A { fn fmt(_: &A, f: &mut fmt::Formatter) { f.buf.write("aloha".as_bytes()); } } impl fmt::Signed for B { fn fmt(_: &B, f: &mut fmt::Formatter) { f.buf.write("adios".as_bytes()); } } pub fn main() { macro_rules! t(($a:expr, $b:expr) => { assert_eq!($a, $b.to_owned()) }) // Make sure there's a poly formatter that takes anything t!(ifmt!("{}", 1), "1"); t!(ifmt!("{}", A), "{}"); t!(ifmt!("{}", ()), "()"); t!(ifmt!("{}", @(~1, "foo")), "@(~1, \"foo\")"); // Various edge cases without formats t!(ifmt!(""), ""); t!(ifmt!("hello"), "hello"); t!(ifmt!("hello \\{"), "hello {"); // At least exercise all the formats t!(ifmt!("{:b}", true), "true"); t!(ifmt!("{:c}", '☃'), "☃"); t!(ifmt!("{:d}", 10), "10"); t!(ifmt!("{:i}", 10), "10"); t!(ifmt!("{:u}", 10u), "10"); t!(ifmt!("{:o}", 10u), "12"); t!(ifmt!("{:x}", 10u), "a"); t!(ifmt!("{:X}", 10u), "A"); t!(ifmt!("{:s}", "foo"), "foo"); t!(ifmt!("{:p}", 0x1234 as *int), "0x1234"); t!(ifmt!("{:p}", 0x1234 as *mut int), "0x1234"); t!(ifmt!("{:d}", A), "aloha"); t!(ifmt!("{:d}", B), "adios"); t!(ifmt!("foo {:s} ☃☃☃☃☃☃", "bar"), "foo bar ☃☃☃☃☃☃"); t!(ifmt!("{1} {0}", 0, 1), "1 0"); t!(ifmt!("{foo} {bar}", foo=0, bar=1), "0 1"); t!(ifmt!("{foo} {1} {bar} {0}", 0, 1, foo=2, bar=3), "2 1 3 0"); t!(ifmt!("{} {0:s}", "a"), "a a"); t!(ifmt!("{} {0}", "a"), "\"a\" \"a\""); // Methods should probably work t!(ifmt!("{0, plural, =1{a#} =2{b#} zero{c#} other{d#}}", 0u), "c0"); t!(ifmt!("{0, plural, =1{a#} =2{b#} zero{c#} other{d#}}", 1u), "a1"); t!(ifmt!("{0, plural, =1{a#} =2{b#} zero{c#} other{d#}}", 2u), "b2"); t!(ifmt!("{0, plural, =1{a#} =2{b#} zero{c#} other{d#}}", 3u), "d3"); t!(ifmt!("{0, select, a{a#} b{b#} c{c#} other{d#}}", "a"), "aa"); t!(ifmt!("{0, select, a{a#} b{b#} c{c#} other{d#}}", "b"), "bb"); t!(ifmt!("{0, select, a{a#} b{b#} c{c#} other{d#}}", "c"), "cc"); t!(ifmt!("{0, select, a{a#} b{b#} c{c#} other{d#}}", "d"), "dd"); t!(ifmt!("{1, select, a{#{0:s}} other{#{1}}}", "b", "a"), "ab"); t!(ifmt!("{1, select, a{#{0}} other{#{1}}}", "c", "b"), "bb"); // Formatting strings and their arguments t!(ifmt!("{:s}", "a"), "a"); t!(ifmt!("{:4s}", "a"), "a "); t!(ifmt!("{:>4s}", "a"), " a"); t!(ifmt!("{:<4s}", "a"), "a "); t!(ifmt!("{:.4s}", "a"), "a"); t!(ifmt!("{:4.4s}", "a"), "a "); t!(ifmt!("{:4.4s}", "aaaaaaaaaaaaaaaaaa"), "aaaa"); t!(ifmt!("{:<4.4s}", "aaaaaaaaaaaaaaaaaa"), "aaaa"); t!(ifmt!("{:>4.4s}", "aaaaaaaaaaaaaaaaaa"), "aaaa"); t!(ifmt!("{:>10.4s}", "aaaaaaaaaaaaaaaaaa"), "aaaa"); t!(ifmt!("{:2.4s}", "aaaaa"), "aaaa"); t!(ifmt!("{:2.4s}", "aaaa"), "aaaa"); t!(ifmt!("{:2.4s}", "aaa"), "aaa"); t!(ifmt!("{:2.4s}", "aa"), "aa"); t!(ifmt!("{:2.4s}", "a"), "a "); t!(ifmt!("{:0>2s}", "a"), "0a"); t!(ifmt!("{:.*s}", 4, "aaaaaaaaaaaaaaaaaa"), "aaaa"); t!(ifmt!("{:.1$s}", "aaaaaaaaaaaaaaaaaa", 4), "aaaa"); t!(ifmt!("{:1$s}", "a", 4), "a "); t!(ifmt!("{:-#s}", "a"), "a"); t!(ifmt!("{:+#s}", "a"), "a"); // Formatting integers should select the right implementation based off the // type of the argument. Also, hex/octal/binary should be defined for // integers, but they shouldn't emit the negative sign. t!(ifmt!("{:d}", -1i), "-1"); t!(ifmt!("{:d}", -1i8), "1"); t!(ifmt!("{:d}", -1i16), "1"); t!(ifmt!("{:d}", -1i32), "1"); t!(ifmt!("{:d}", -1i64), "1"); t!(ifmt!("{:t}", -1i), "1"); t!(ifmt!("{:t}", -1i8), "1"); t!(ifmt!("{:t}", -1i16), "1"); t!(ifmt!("{:t}", -1i32), "1"); t!(ifmt!("{:t}", -1i64), "1"); t!(ifmt!("{:x}", -1i), "1"); t!(ifmt!("{:x}", -1i8), "1"); t!(ifmt!("{:x}", -1i16), "1"); t!(ifmt!("{:x}", -1i32), "1"); t!(ifmt!("{:x}", -1i64), "1"); t!(ifmt!("{:X}", -1i), "1"); t!(ifmt!("{:X}", -1i8), "1"); t!(ifmt!("{:X}", -1i16), "1"); t!(ifmt!("{:X}", -1i32), "1"); t!(ifmt!("{:X}", -1i64), "1"); t!(ifmt!("{:o}", -1i), "1"); t!(ifmt!("{:o}", -1i8), "1"); t!(ifmt!("{:o}", -1i16), "1"); t!(ifmt!("{:o}", -1i32), "1"); t!(ifmt!("{:o}", -1i64), "1"); t!(ifmt!("{:d}", 1u), "1"); t!(ifmt!("{:d}", 1u8), "1"); t!(ifmt!("{:d}", 1u16), "1"); t!(ifmt!("{:d}", 1u32), "1"); t!(ifmt!("{:d}", 1u64), "1"); t!(ifmt!("{:t}", 1u), "1"); t!(ifmt!("{:t}", 1u8), "1"); t!(ifmt!("{:t}", 1u16), "1"); t!(ifmt!("{:t}", 1u32), "1"); t!(ifmt!("{:t}", 1u64), "1"); t!(ifmt!("{:x}", 1u), "1"); t!(ifmt!("{:x}", 1u8), "1"); t!(ifmt!("{:x}", 1u16), "1"); t!(ifmt!("{:x}", 1u32), "1"); t!(ifmt!("{:x}", 1u64), "1"); t!(ifmt!("{:X}", 1u), "1"); t!(ifmt!("{:X}", 1u8), "1"); t!(ifmt!("{:X}", 1u16), "1"); t!(ifmt!("{:X}", 1u32), "1"); t!(ifmt!("{:X}", 1u64), "1"); t!(ifmt!("{:o}", 1u), "1"); t!(ifmt!("{:o}", 1u8), "1"); t!(ifmt!("{:o}", 1u16), "1"); t!(ifmt!("{:o}", 1u32), "1"); t!(ifmt!("{:o}", 1u64), "1"); // Test the flags for formatting integers t!(ifmt!("{:3d}", 1), "1 "); t!(ifmt!("{:>3d}", 1), " 1"); t!(ifmt!("{:#d}", 1), "1"); t!(ifmt!("{:#x}", 10u), "0xa"); t!(ifmt!("{:#X}", 10u), "0xA"); t!(ifmt!("{:#5x}", 10u), "0xa "); t!(ifmt!("{:#o}", 10u), "0o12"); // Precision overrides 0-padding // FIXME #2481: Recent gcc's report some of these as warnings /*t!(ifmt!("{:0>6.5d}", 0), ~" 00000");*/ /*t!(ifmt!("{:0>6.5u}", 0u), ~" 00000");*/ /*t!(ifmt!("{:0>6.5x}", 0u), ~" 00000");*/ /*t!(ifmt!("{:0>6.5d}", 10), ~" 00010");*/ /*t!(ifmt!("{:0>6.5d}", -10), ~"-00010");*/ /*t!(ifmt!("{:0>6.5u}", 10u), ~" 00010");*/ /*t!(ifmt!("{:0>6.5s}", ~"t!"), ~" t!");*/ /*t!(ifmt!("{:0>6.5c}", 'A'), ~" A");*/ /*t!(ifmt!("{:0>6.5x}", 127u), ~" 0007f");*/ /*t!(ifmt!("{:0>6.5X}", 127u), ~" 0007F");*/ /*t!(ifmt!("{:0>6.5o}", 10u), ~" 00012");*/ // Signed combinations /*t!(ifmt!("{:5d}", 1), ~" 1");*/ /*t!(ifmt!("{: >5d}", -1), ~" -1");*/ /*t!(ifmt!("{:+5d}", 1), ~" +1");*/ /*t!(ifmt!("{:+5d}", -1), ~" -1");*/ /*t!(ifmt!("{:0>5d}", 1), ~" 0001");*/ /*t!(ifmt!("{:0>5d}", -1), ~"-0001");*/ /*t!(ifmt!("{:0>+5d}", 1), ~"+0001");*/ /*t!(ifmt!("{:0>+5d}", -1), ~"-0001");*/ /*t!(ifmt!("%- 5d", 1), ~" 1 ");*/ /*t!(ifmt!("%- 5d", -1), ~"-1 ");*/ /*t!(ifmt!("%-+5d", 1), ~"+1 ");*/ /*t!(ifmt!("%-+5d", -1), ~"-1 ");*/ /*t!(ifmt!("%- 05d", 1), ~" 1 ");*/ /*t!(ifmt!("%- 05d", -1), ~"-1 ");*/ /*t!(ifmt!("%-+05d", 1), ~"+1 ");*/ /*t!(ifmt!("%-+05d", -1), ~"-1 ");*/ }