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|
use super::*;
fn same(fmt: &'static str, p: &[Piece<'static>]) {
let parser = Parser::new(fmt, None, None, false, ParseMode::Format);
assert_eq!(parser.collect::<Vec<Piece<'static>>>(), p);
}
fn fmtdflt() -> FormatSpec<'static> {
return FormatSpec {
fill: None,
align: AlignUnknown,
flags: 0,
precision: CountImplied,
width: CountImplied,
precision_span: None,
width_span: None,
ty: "",
ty_span: None,
};
}
fn musterr(s: &str) {
let mut p = Parser::new(s, None, None, false, ParseMode::Format);
p.next();
assert!(!p.errors.is_empty());
}
#[test]
fn simple() {
same("asdf", &[String("asdf")]);
same("a{{b", &[String("a"), String("{b")]);
same("a}}b", &[String("a"), String("}b")]);
same("a}}", &[String("a"), String("}")]);
same("}}", &[String("}")]);
same("\\}}", &[String("\\"), String("}")]);
}
#[test]
fn invalid01() {
musterr("{")
}
#[test]
fn invalid02() {
musterr("}")
}
#[test]
fn invalid04() {
musterr("{3a}")
}
#[test]
fn invalid05() {
musterr("{:|}")
}
#[test]
fn invalid06() {
musterr("{:>>>}")
}
#[test]
fn format_nothing() {
same("{}", &[NextArgument(Argument { position: ArgumentImplicitlyIs(0), format: fmtdflt() })]);
}
#[test]
fn format_position() {
same("{3}", &[NextArgument(Argument { position: ArgumentIs(3), format: fmtdflt() })]);
}
#[test]
fn format_position_nothing_else() {
same("{3:}", &[NextArgument(Argument { position: ArgumentIs(3), format: fmtdflt() })]);
}
#[test]
fn format_type() {
same(
"{3:x}",
&[NextArgument(Argument {
position: ArgumentIs(3),
format: FormatSpec {
fill: None,
align: AlignUnknown,
flags: 0,
precision: CountImplied,
width: CountImplied,
precision_span: None,
width_span: None,
ty: "x",
ty_span: None,
},
})],
);
}
#[test]
fn format_align_fill() {
same(
"{3:>}",
&[NextArgument(Argument {
position: ArgumentIs(3),
format: FormatSpec {
fill: None,
align: AlignRight,
flags: 0,
precision: CountImplied,
width: CountImplied,
precision_span: None,
width_span: None,
ty: "",
ty_span: None,
},
})],
);
same(
"{3:0<}",
&[NextArgument(Argument {
position: ArgumentIs(3),
format: FormatSpec {
fill: Some('0'),
align: AlignLeft,
flags: 0,
precision: CountImplied,
width: CountImplied,
precision_span: None,
width_span: None,
ty: "",
ty_span: None,
},
})],
);
same(
"{3:*<abcd}",
&[NextArgument(Argument {
position: ArgumentIs(3),
format: FormatSpec {
fill: Some('*'),
align: AlignLeft,
flags: 0,
precision: CountImplied,
width: CountImplied,
precision_span: None,
width_span: None,
ty: "abcd",
ty_span: Some(InnerSpan::new(6, 10)),
},
})],
);
}
#[test]
fn format_counts() {
use rustc_span::{edition, SessionGlobals, SESSION_GLOBALS};
SESSION_GLOBALS.set(&SessionGlobals::new(edition::DEFAULT_EDITION), || {
same(
"{:10x}",
&[NextArgument(Argument {
position: ArgumentImplicitlyIs(0),
format: FormatSpec {
fill: None,
align: AlignUnknown,
flags: 0,
precision: CountImplied,
width: CountIs(10),
precision_span: None,
width_span: None,
ty: "x",
ty_span: None,
},
})],
);
same(
"{:10$.10x}",
&[NextArgument(Argument {
position: ArgumentImplicitlyIs(0),
format: FormatSpec {
fill: None,
align: AlignUnknown,
flags: 0,
precision: CountIs(10),
width: CountIsParam(10),
precision_span: None,
width_span: Some(InnerSpan::new(3, 6)),
ty: "x",
ty_span: None,
},
})],
);
same(
"{:.*x}",
&[NextArgument(Argument {
position: ArgumentImplicitlyIs(1),
format: FormatSpec {
fill: None,
align: AlignUnknown,
flags: 0,
precision: CountIsParam(0),
width: CountImplied,
precision_span: Some(InnerSpan::new(3, 5)),
width_span: None,
ty: "x",
ty_span: None,
},
})],
);
same(
"{:.10$x}",
&[NextArgument(Argument {
position: ArgumentImplicitlyIs(0),
format: FormatSpec {
fill: None,
align: AlignUnknown,
flags: 0,
precision: CountIsParam(10),
width: CountImplied,
precision_span: Some(InnerSpan::new(3, 7)),
width_span: None,
ty: "x",
ty_span: None,
},
})],
);
same(
"{:a$.b$?}",
&[NextArgument(Argument {
position: ArgumentImplicitlyIs(0),
format: FormatSpec {
fill: None,
align: AlignUnknown,
flags: 0,
precision: CountIsName(Symbol::intern("b")),
width: CountIsName(Symbol::intern("a")),
precision_span: None,
width_span: None,
ty: "?",
ty_span: None,
},
})],
);
});
}
#[test]
fn format_flags() {
same(
"{:-}",
&[NextArgument(Argument {
position: ArgumentImplicitlyIs(0),
format: FormatSpec {
fill: None,
align: AlignUnknown,
flags: (1 << FlagSignMinus as u32),
precision: CountImplied,
width: CountImplied,
precision_span: None,
width_span: None,
ty: "",
ty_span: None,
},
})],
);
same(
"{:+#}",
&[NextArgument(Argument {
position: ArgumentImplicitlyIs(0),
format: FormatSpec {
fill: None,
align: AlignUnknown,
flags: (1 << FlagSignPlus as u32) | (1 << FlagAlternate as u32),
precision: CountImplied,
width: CountImplied,
precision_span: None,
width_span: None,
ty: "",
ty_span: None,
},
})],
);
}
#[test]
fn format_mixture() {
same(
"abcd {3:x} efg",
&[
String("abcd "),
NextArgument(Argument {
position: ArgumentIs(3),
format: FormatSpec {
fill: None,
align: AlignUnknown,
flags: 0,
precision: CountImplied,
width: CountImplied,
precision_span: None,
width_span: None,
ty: "x",
ty_span: None,
},
}),
String(" efg"),
],
);
}
|
