43 lines
955 B
Rust
43 lines
955 B
Rust
#![allow(plugin_as_library)]
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#![feature(rustc_private)]
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extern crate clippy;
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extern crate syntax;
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extern crate rustc;
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use clippy::consts::{constant, ConstantVariant};
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use clippy::consts::ConstantVariant::*;
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use syntax::ast::*;
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use syntax::ptr::P;
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use syntax::codemap::{Spanned, COMMAND_LINE_SP};
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use std::mem;
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use rustc::lint::Context;
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fn ctx() -> &'static Context<'static, 'static> {
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unsafe {
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let x : *const Context<'static, 'static> = std::ptr::null();
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mem::transmute(x)
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}
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}
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fn lit(l: Lit_) -> Expr {
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Expr{
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id: 1,
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node: ExprLit(P(Spanned{
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node: l,
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span: COMMAND_LINE_SP,
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})),
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span: COMMAND_LINE_SP,
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}
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}
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fn check(expect: ConstantVariant, expr: &Expr) {
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assert_eq!(Some(expect), constant(ctx(), expr).map(|x| x.constant))
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}
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#[test]
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fn test_lit() {
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check(ConstantBool(true), &lit(LitBool(true)));
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check(ConstantBool(false), &lit(LitBool(false)));
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}
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