mikros/rust
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity
423843e54b
rust/src/test/run-pass/syntax-extension-fmt.rs

263 lines
8.5 KiB
Rust
Raw Blame History

// Copyright 2012 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 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.
extern mod std;
fn test(actual: ~str, expected: ~str) {
log(debug, copy actual);
log(debug, copy expected);
assert (actual == expected);
}
pub fn main() {
test(fmt!("hello %d friends and %s things", 10, ~"formatted"),
~"hello 10 friends and formatted things");
test(fmt!("test"), ~"test");
// a quadratic optimization in LLVM (jump-threading) makes this test a
// bit slow to compile unless we break it up
part1();
part2();
part3();
part4();
part5();
part6();
percent();
more_floats();
}
fn part1() {
// Simple tests for types
test(fmt!("%d", 1), ~"1");
test(fmt!("%i", 2), ~"2");
test(fmt!("%i", -1), ~"-1");
test(fmt!("%u", 10u), ~"10");
test(fmt!("%s", ~"test"), ~"test");
test(fmt!("%b", true), ~"true");
test(fmt!("%b", false), ~"false");
test(fmt!("%c", 'A'), ~"A");
test(fmt!("%x", 0xff_u), ~"ff");
test(fmt!("%X", 0x12ab_u), ~"12AB");
test(fmt!("%o", 10u), ~"12");
test(fmt!("%t", 0b11010101_u), ~"11010101");
test(fmt!("%f", 5.82), ~"5.82");
// 32-bit limits
test(fmt!("%i", -2147483648), ~"-2147483648");
test(fmt!("%i", 2147483647), ~"2147483647");
test(fmt!("%u", 4294967295u), ~"4294967295");
test(fmt!("%x", 0xffffffff_u), ~"ffffffff");
test(fmt!("%o", 0xffffffff_u), ~"37777777777");
test(fmt!("%t", 0xffffffff_u), ~"11111111111111111111111111111111");
}
fn part2() {
// Widths
test(fmt!("%1d", 500), ~"500");
test(fmt!("%10d", 500), ~" 500");
test(fmt!("%10d", -500), ~" -500");
test(fmt!("%10u", 500u), ~" 500");
test(fmt!("%10s", ~"test"), ~" test");
test(fmt!("%10b", true), ~" true");
test(fmt!("%10x", 0xff_u), ~" ff");
test(fmt!("%10X", 0xff_u), ~" FF");
test(fmt!("%10o", 10u), ~" 12");
test(fmt!("%10t", 0xff_u), ~" 11111111");
test(fmt!("%10c", 'A'), ~" A");
test(fmt!("%10f", 5.82), ~" 5.82");
// Left justify
test(fmt!("%-10d", 500), ~"500 ");
test(fmt!("%-10d", -500), ~"-500 ");
test(fmt!("%-10u", 500u), ~"500 ");
test(fmt!("%-10s", ~"test"), ~"test ");
test(fmt!("%-10b", true), ~"true ");
test(fmt!("%-10x", 0xff_u), ~"ff ");
test(fmt!("%-10X", 0xff_u), ~"FF ");
test(fmt!("%-10o", 10u), ~"12 ");
test(fmt!("%-10t", 0xff_u), ~"11111111 ");
test(fmt!("%-10c", 'A'), ~"A ");
test(fmt!("%-10f", 5.82), ~"5.82 ");
}
fn part3() {
// Precision
test(fmt!("%.d", 0), ~"");
test(fmt!("%.u", 0u), ~"");
test(fmt!("%.x", 0u), ~"");
test(fmt!("%.t", 0u), ~"");
test(fmt!("%.d", 10), ~"10");
test(fmt!("%.d", -10), ~"-10");
test(fmt!("%.u", 10u), ~"10");
test(fmt!("%.s", ~"test"), ~"");
test(fmt!("%.x", 127u), ~"7f");
test(fmt!("%.o", 10u), ~"12");
test(fmt!("%.t", 3u), ~"11");
test(fmt!("%.c", 'A'), ~"A");
test(fmt!("%.f", 5.82), ~"6");
test(fmt!("%.0d", 0), ~"");
test(fmt!("%.0u", 0u), ~"");
test(fmt!("%.0x", 0u), ~"");
test(fmt!("%.0t", 0u), ~"");
test(fmt!("%.0d", 10), ~"10");
test(fmt!("%.0d", -10), ~"-10");
test(fmt!("%.0u", 10u), ~"10");
test(fmt!("%.0s", ~"test"), ~"");
test(fmt!("%.0x", 127u), ~"7f");
test(fmt!("%.0o", 10u), ~"12");
test(fmt!("%.0t", 3u), ~"11");
test(fmt!("%.0c", 'A'), ~"A");
test(fmt!("%.0f", 5.892), ~"6");
test(fmt!("%.1d", 0), ~"0");
test(fmt!("%.1u", 0u), ~"0");
test(fmt!("%.1x", 0u), ~"0");
test(fmt!("%.1t", 0u), ~"0");
test(fmt!("%.1d", 10), ~"10");
test(fmt!("%.1d", -10), ~"-10");
test(fmt!("%.1u", 10u), ~"10");
test(fmt!("%.1s", ~"test"), ~"t");
test(fmt!("%.1x", 127u), ~"7f");
test(fmt!("%.1o", 10u), ~"12");
test(fmt!("%.1t", 3u), ~"11");
test(fmt!("%.1c", 'A'), ~"A");
test(fmt!("%.1f", 5.82), ~"5.8");
}
fn part4() {
test(fmt!("%.5d", 0), ~"00000");
test(fmt!("%.5u", 0u), ~"00000");
test(fmt!("%.5x", 0u), ~"00000");
test(fmt!("%.5t", 0u), ~"00000");
test(fmt!("%.5d", 10), ~"00010");
test(fmt!("%.5d", -10), ~"-00010");
test(fmt!("%.5u", 10u), ~"00010");
test(fmt!("%.5s", ~"test"), ~"test");
test(fmt!("%.5x", 127u), ~"0007f");
test(fmt!("%.5o", 10u), ~"00012");
test(fmt!("%.5t", 3u), ~"00011");
test(fmt!("%.5c", 'A'), ~"A");
test(fmt!("%.5f", 5.82), ~"5.82000");
test(fmt!("%.5f", 5.0), ~"5.00000");
test(fmt!("%.100f", 1.1), ~"1.1000000000000000888178419700125232338905334472656250000000000000000000000000000000000000000000000000");
// Bool precision. I'm not sure if it's good or bad to have bool
// conversions support precision - it's not standard printf so we
// can do whatever. For now I'm making it behave the same as string
// conversions.
test(fmt!("%.b", true), ~"");
test(fmt!("%.0b", true), ~"");
test(fmt!("%.1b", true), ~"t");
}
fn part5() {
// Explicit + sign. Only for signed conversions
test(fmt!("%+d", 0), ~"+0");
test(fmt!("%+d", 1), ~"+1");
test(fmt!("%+d", -1), ~"-1");
test(fmt!("%+f", 0.0), ~"+0");
// Leave space for sign
test(fmt!("% d", 0), ~" 0");
test(fmt!("% d", 1), ~" 1");
test(fmt!("% d", -1), ~"-1");
test(fmt!("% f", 0.0), ~" 0");
// Plus overrides space
test(fmt!("% +d", 0), ~"+0");
test(fmt!("%+ d", 0), ~"+0");
test(fmt!("% +f", 0.0), ~"+0");
test(fmt!("%+ f", 0.0), ~"+0");
// 0-padding
test(fmt!("%05d", 0), ~"00000");
test(fmt!("%05d", 1), ~"00001");
test(fmt!("%05d", -1), ~"-0001");
test(fmt!("%05u", 1u), ~"00001");
test(fmt!("%05x", 127u), ~"0007f");
test(fmt!("%05X", 127u), ~"0007F");
test(fmt!("%05o", 10u), ~"00012");
test(fmt!("%05t", 3u), ~"00011");
test(fmt!("%05f", 5.82), ~"05.82");
// 0-padding a string is undefined but glibc does this:
test(fmt!("%05s", ~"test"), ~" test");
test(fmt!("%05c", 'A'), ~" A");
test(fmt!("%05b", true), ~" true");
// Left-justify overrides 0-padding
test(fmt!("%-05d", 0), ~"0 ");
test(fmt!("%-05d", 1), ~"1 ");
test(fmt!("%-05d", -1), ~"-1 ");
test(fmt!("%-05u", 1u), ~"1 ");
test(fmt!("%-05x", 127u), ~"7f ");
test(fmt!("%-05X", 127u), ~"7F ");
test(fmt!("%-05o", 10u), ~"12 ");
test(fmt!("%-05t", 3u), ~"11 ");
test(fmt!("%-05s", ~"test"), ~"test ");
test(fmt!("%-05c", 'A'), ~"A ");
test(fmt!("%-05b", true), ~"true ");
test(fmt!("%-05f", 5.82), ~"5.82 ");
}
fn part6() {
// Precision overrides 0-padding
// FIXME #2481: Recent gcc's report some of these as warnings
test(fmt!("%06.5d", 0), ~" 00000");
test(fmt!("%06.5u", 0u), ~" 00000");
test(fmt!("%06.5x", 0u), ~" 00000");
test(fmt!("%06.5d", 10), ~" 00010");
test(fmt!("%06.5d", -10), ~"-00010");
test(fmt!("%06.5u", 10u), ~" 00010");
test(fmt!("%06.5s", ~"test"), ~" test");
test(fmt!("%06.5c", 'A'), ~" A");
test(fmt!("%06.5x", 127u), ~" 0007f");
test(fmt!("%06.5X", 127u), ~" 0007F");
test(fmt!("%06.5o", 10u), ~" 00012");
// Precision does not override zero-padding for floats
test(fmt!("%08.5f", 5.82), ~"05.82000");
// Signed combinations
test(fmt!("% 5d", 1), ~" 1");
test(fmt!("% 5d", -1), ~" -1");
test(fmt!("%+5d", 1), ~" +1");
test(fmt!("%+5d", -1), ~" -1");
test(fmt!("% 05d", 1), ~" 0001");
test(fmt!("% 05d", -1), ~"-0001");
test(fmt!("%+05d", 1), ~"+0001");
test(fmt!("%+05d", -1), ~"-0001");
test(fmt!("%- 5d", 1), ~" 1 ");
test(fmt!("%- 5d", -1), ~"-1 ");
test(fmt!("%-+5d", 1), ~"+1 ");
test(fmt!("%-+5d", -1), ~"-1 ");
test(fmt!("%- 05d", 1), ~" 1 ");
test(fmt!("%- 05d", -1), ~"-1 ");
test(fmt!("%-+05d", 1), ~"+1 ");
test(fmt!("%-+05d", -1), ~"-1 ");
}
fn percent() {
let s = fmt!("ab%%cd");
assert(s == ~"ab%cd");
}
fn more_floats() {
assert ~"3.1416" == fmt!("%.4f", 3.14159);
assert ~"3" == fmt!("%.0f", 3.14159);
assert ~"99" == fmt!("%.0f", 98.5);
assert ~"7.0000" == fmt!("%.4f", 6.999999999);
assert ~"3.141590000" == fmt!("%.9f", 3.14159);
}
Reference in New Issue View Git Blame Copy Permalink