Add more tests to print_ and write_literal
Also, move precision, width, and debug fmt tests to 'should pass'
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@ -9,16 +9,23 @@ fn main() {
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let world = "world";
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let world = "world";
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println!("Hello {}", world);
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println!("Hello {}", world);
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println!("3 in hex is {:X}", 3);
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println!("3 in hex is {:X}", 3);
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println!("2 + 1 = {:.4}", 3);
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println!("2 + 1 = {:5.4}", 3);
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println!("Debug test {:?}", "hello, world");
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println!("{0:8} {1:>8}", "hello", "world");
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println!("{1:8} {0:>8}", "hello", "world");
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println!("{foo:8} {bar:>8}", foo="hello", bar="world");
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println!("{bar:8} {foo:>8}", foo="hello", bar="world");
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println!("{number:>width$}", number=1, width=6);
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println!("{number:>0width$}", number=1, width=6);
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// these should throw warnings
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// these should throw warnings
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println!("{} of {:b} people know binary, the other half doesn't", 1, 2);
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print!("Hello {}", "world");
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print!("Hello {}", "world");
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println!("Hello {} {}", world, "world");
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println!("Hello {} {}", world, "world");
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println!("Hello {}", "world");
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println!("Hello {}", "world");
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println!("10 / 4 is {}", 2.5);
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println!("10 / 4 is {}", 2.5);
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println!("2 + 1 = {}", 3);
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println!("2 + 1 = {}", 3);
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println!("2 + 1 = {:.4}", 3);
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println!("2 + 1 = {:5.4}", 3);
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println!("Debug test {:?}", "hello, world");
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// positional args don't change the fact
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// positional args don't change the fact
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// that we're using a literal -- this should
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// that we're using a literal -- this should
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@ -6,22 +6,29 @@ use std::io::Write;
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fn main() {
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fn main() {
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let mut v = Vec::new();
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let mut v = Vec::new();
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// These should be fine
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// these should be fine
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write!(&mut v, "Hello");
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write!(&mut v, "Hello");
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writeln!(&mut v, "Hello");
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writeln!(&mut v, "Hello");
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let world = "world";
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let world = "world";
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writeln!(&mut v, "Hello {}", world);
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writeln!(&mut v, "Hello {}", world);
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writeln!(&mut v, "3 in hex is {:X}", 3);
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writeln!(&mut v, "3 in hex is {:X}", 3);
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writeln!(&mut v, "2 + 1 = {:.4}", 3);
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writeln!(&mut v, "2 + 1 = {:5.4}", 3);
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writeln!(&mut v, "Debug test {:?}", "hello, world");
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writeln!(&mut v, "{0:8} {1:>8}", "hello", "world");
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writeln!(&mut v, "{1:8} {0:>8}", "hello", "world");
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writeln!(&mut v, "{foo:8} {bar:>8}", foo="hello", bar="world");
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writeln!(&mut v, "{bar:8} {foo:>8}", foo="hello", bar="world");
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writeln!(&mut v, "{number:>width$}", number=1, width=6);
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writeln!(&mut v, "{number:>0width$}", number=1, width=6);
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// These should throw warnings
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// these should throw warnings
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writeln!(&mut v, "{} of {:b} people know binary, the other half doesn't", 1, 2);
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write!(&mut v, "Hello {}", "world");
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write!(&mut v, "Hello {}", "world");
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writeln!(&mut v, "Hello {} {}", world, "world");
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writeln!(&mut v, "Hello {} {}", world, "world");
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writeln!(&mut v, "Hello {}", "world");
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writeln!(&mut v, "Hello {}", "world");
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writeln!(&mut v, "10 / 4 is {}", 2.5);
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writeln!(&mut v, "10 / 4 is {}", 2.5);
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writeln!(&mut v, "2 + 1 = {}", 3);
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writeln!(&mut v, "2 + 1 = {}", 3);
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writeln!(&mut v, "2 + 1 = {:.4}", 3);
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writeln!(&mut v, "2 + 1 = {:5.4}", 3);
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writeln!(&mut v, "Debug test {:?}", "hello, world");
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// positional args don't change the fact
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// positional args don't change the fact
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// that we're using a literal -- this should
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// that we're using a literal -- this should
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@ -30,6 +37,6 @@ fn main() {
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writeln!(&mut v, "{1} {0}", "hello", "world");
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writeln!(&mut v, "{1} {0}", "hello", "world");
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// named args shouldn't change anything either
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// named args shouldn't change anything either
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writeln!(&mut v, "{foo} {bar}", foo = "hello", bar = "world");
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writeln!(&mut v, "{foo} {bar}", foo="hello", bar="world");
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writeln!(&mut v, "{bar} {foo}", foo = "hello", bar = "world");
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writeln!(&mut v, "{bar} {foo}", foo="hello", bar="world");
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}
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}
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