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Add more tests to print_ and write_literal 

Also, move precision, width, and debug fmt tests to 'should pass'
This commit is contained in:
Michael Recachinas 2018-04-21 19:23:59 +01:00
parent c5b39a5917
commit 8ccaa83e90
2 changed files with 24 additions and 10 deletions
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13
tests/ui/print_literal.rs
View File

@ -9,16 +9,23 @@ fn main() {
let world = "world";
println!("Hello {}", world);
println!("3 in hex is {:X}", 3);
println!("2 + 1 = {:.4}", 3);
println!("2 + 1 = {:5.4}", 3);
println!("Debug test {:?}", "hello, world");
println!("{0:8} {1:>8}", "hello", "world");
println!("{1:8} {0:>8}", "hello", "world");
println!("{foo:8} {bar:>8}", foo="hello", bar="world");
println!("{bar:8} {foo:>8}", foo="hello", bar="world");
println!("{number:>width$}", number=1, width=6);
println!("{number:>0width$}", number=1, width=6);
// these should throw warnings
println!("{} of {:b} people know binary, the other half doesn't", 1, 2);
print!("Hello {}", "world");
println!("Hello {} {}", world, "world");
println!("Hello {}", "world");
println!("10 / 4 is {}", 2.5);
println!("2 + 1 = {}", 3);
println!("2 + 1 = {:.4}", 3);
println!("2 + 1 = {:5.4}", 3);
println!("Debug test {:?}", "hello, world");
// positional args don't change the fact
// that we're using a literal -- this should

21
tests/ui/write_literal.rs
View File

@ -6,22 +6,29 @@ use std::io::Write;
fn main() {
let mut v = Vec::new();
// These should be fine
// these should be fine
write!(&mut v, "Hello");
writeln!(&mut v, "Hello");
let world = "world";
writeln!(&mut v, "Hello {}", world);
writeln!(&mut v, "3 in hex is {:X}", 3);
writeln!(&mut v, "2 + 1 = {:.4}", 3);
writeln!(&mut v, "2 + 1 = {:5.4}", 3);
writeln!(&mut v, "Debug test {:?}", "hello, world");
writeln!(&mut v, "{0:8} {1:>8}", "hello", "world");
writeln!(&mut v, "{1:8} {0:>8}", "hello", "world");
writeln!(&mut v, "{foo:8} {bar:>8}", foo="hello", bar="world");
writeln!(&mut v, "{bar:8} {foo:>8}", foo="hello", bar="world");
writeln!(&mut v, "{number:>width$}", number=1, width=6);
writeln!(&mut v, "{number:>0width$}", number=1, width=6);
// These should throw warnings
// these should throw warnings
writeln!(&mut v, "{} of {:b} people know binary, the other half doesn't", 1, 2);
write!(&mut v, "Hello {}", "world");
writeln!(&mut v, "Hello {} {}", world, "world");
writeln!(&mut v, "Hello {}", "world");
writeln!(&mut v, "10 / 4 is {}", 2.5);
writeln!(&mut v, "2 + 1 = {}", 3);
writeln!(&mut v, "2 + 1 = {:.4}", 3);
writeln!(&mut v, "2 + 1 = {:5.4}", 3);
writeln!(&mut v, "Debug test {:?}", "hello, world");
// positional args don't change the fact
// that we're using a literal -- this should
@ -30,6 +37,6 @@ fn main() {
writeln!(&mut v, "{1} {0}", "hello", "world");
// named args shouldn't change anything either
writeln!(&mut v, "{foo} {bar}", foo = "hello", bar = "world");
writeln!(&mut v, "{bar} {foo}", foo = "hello", bar = "world");
writeln!(&mut v, "{foo} {bar}", foo="hello", bar="world");
writeln!(&mut v, "{bar} {foo}", foo="hello", bar="world");
}