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// this was something of a misfeature for these formatters..
#[test]
#[allow(deprecated)]
fn formatters_are_not_feature_gated() {
use yaxpeax_arch::display::{
u8_hex, u16_hex, u32_hex, u64_hex,
signed_i8_hex, signed_i16_hex, signed_i32_hex, signed_i64_hex
};
let _ = u8_hex(10);
let _ = u16_hex(10);
let _ = u32_hex(10);
let _ = u64_hex(10);
let _ = signed_i8_hex(10);
let _ = signed_i16_hex(10);
let _ = signed_i32_hex(10);
let _ = signed_i64_hex(10);
}
#[cfg(feature="alloc")]
#[test]
fn instruction_text_sink_write_char_requires_ascii() {
use core::fmt::Write;
let mut text = String::with_capacity(512);
let mut sink = unsafe {
yaxpeax_arch::display::InstructionTextSink::new(&mut text)
};
let expected = "`1234567890-=+_)(*&^%$#@!~\\][poiuytrewq |}{POIUYTREWQ';lkjhgfdsa\":LKJHGFDSA/.,mnbvcxz?><MNBVCXZ \r\n";
for c in expected.as_bytes().iter() {
sink.write_char(*c as char).expect("write works");
}
assert_eq!(text, expected);
}
#[cfg(feature="alloc")]
#[test]
#[should_panic]
fn instruction_text_sink_write_char_rejects_not_ascii() {
use core::fmt::Write;
let mut text = String::with_capacity(512);
let mut sink = unsafe {
yaxpeax_arch::display::InstructionTextSink::new(&mut text)
};
sink.write_char('\u{80}').expect("write works");
}
#[cfg(feature="alloc")]
#[test]
fn display_sink_write_hex_helpers() {
use yaxpeax_arch::display::{DisplaySink};
// for u8/i8/u16/i16 we can exhaustively test. we'll leave the rest for fuzzers.
let mut buf = String::new();
for i in 0..=u8::MAX {
buf.clear();
buf.write_u8(i).expect("write succeeds");
assert_eq!(buf, format!("{:x}", i));
buf.clear();
buf.write_prefixed_u8(i).expect("write succeeds");
assert_eq!(buf, format!("0x{:x}", i));
let expected = if (i as i8) < 0 {
format!("-0x{:x}", (i as i8).unsigned_abs())
} else {
format!("0x{:x}", i)
};
buf.clear();
buf.write_prefixed_i8(i as i8).expect("write succeeds");
assert_eq!(buf, expected);
}
for i in 0..=u16::MAX {
buf.clear();
buf.write_u16(i).expect("write succeeds");
assert_eq!(buf, format!("{:x}", i));
buf.clear();
buf.write_prefixed_u16(i).expect("write succeeds");
assert_eq!(buf, format!("0x{:x}", i));
let expected = if (i as i16) < 0 {
format!("-0x{:x}", (i as i16).unsigned_abs())
} else {
format!("0x{:x}", i)
};
buf.clear();
buf.write_prefixed_i16(i as i16).expect("write succeeds");
assert_eq!(buf, expected);
}
}
#[cfg(feature="alloc")]
#[test]
fn sinks_are_equivalent() {
use yaxpeax_arch::display::{DisplaySink, FmtSink};
use yaxpeax_arch::testkit::DisplaySinkWriteComparator;
let mut bare = String::new();
let mut through_sink = String::new();
for i in 0..u16::MAX {
bare.clear();
through_sink.clear();
let mut out = FmtSink::new(&mut through_sink);
let mut comparator = DisplaySinkWriteComparator::new(
&mut out,
|sink| { sink.inner_ref().as_str() },
&mut bare,
|sink| { sink.as_str() },
);
comparator.write_u16(i).expect("write succeeds");
comparator.write_prefixed_u16(i).expect("write succeeds");
comparator.write_prefixed_i16(i as i16).expect("write succeeds");
}
}
#[cfg(all(feature="alloc", feature="color-new"))]
#[test]
fn ansi_sink_works() {
use yaxpeax_arch::color_new::ansi::AnsiDisplaySink;
use yaxpeax_arch::display::DisplaySink;
let mut buf = String::new();
let mut ansi_sink = AnsiDisplaySink::new(&mut buf, yaxpeax_arch::color_new::DefaultColors);
ansi_sink.span_start_immediate();
ansi_sink.write_prefixed_u8(0x80).expect("write succeeds");
ansi_sink.span_end_immediate();
ansi_sink.write_fixed_size("(").expect("write succeeds");
ansi_sink.span_start_register();
ansi_sink.write_fixed_size("rbp").expect("write succeeds");
ansi_sink.span_end_register();
ansi_sink.write_fixed_size(")").expect("write succeeds");
drop(ansi_sink);
assert_eq!(buf, "\x1b[37m0x80\x1b[39m(\x1b[38;5;6mrbp\x1b[39m)");
}
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