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// Copyright 2012-2013 The Rust Project Developers. See the
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// COPYRIGHT file at the top-level directory of this distribution and at
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2012-12-03 18:48:01 -06:00
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// http://rust-lang.org/COPYRIGHT.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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2012-09-07 20:08:21 -05:00
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use common::config;
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use common;
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use util;
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pub struct TestProps {
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// Lines that should be expected, in order, on standard out
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error_patterns: ~[~str],
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// Extra flags to pass to the compiler
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compile_flags: Option<~str>,
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// If present, the name of a file that this test should match when
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// pretty-printed
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pp_exact: Option<Path>,
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// Modules from aux directory that should be compiled
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aux_builds: ~[~str],
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// Environment settings to use during execution
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exec_env: ~[(~str,~str)],
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// Commands to be given to the debugger, when testing debug info
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debugger_cmds: ~[~str],
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// Lines to check if they appear in the expected debugger output
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check_lines: ~[~str],
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}
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// Load any test directives embedded in the file
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pub fn load_props(testfile: &Path) -> TestProps {
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let mut error_patterns = ~[];
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let mut aux_builds = ~[];
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let mut exec_env = ~[];
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let mut compile_flags = None;
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let mut pp_exact = None;
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let mut debugger_cmds = ~[];
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let mut check_lines = ~[];
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do iter_header(testfile) |ln| {
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match parse_error_pattern(ln) {
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Some(ep) => error_patterns.push(ep),
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None => ()
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};
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if compile_flags.is_none() {
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compile_flags = parse_compile_flags(ln);
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}
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if pp_exact.is_none() {
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pp_exact = parse_pp_exact(ln, testfile);
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}
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match parse_aux_build(ln) {
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Some(ab) => { aux_builds.push(ab); }
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None => {}
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}
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match parse_exec_env(ln) {
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Some(ee) => { exec_env.push(ee); }
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None => {}
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}
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match parse_debugger_cmd(ln) {
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Some(dc) => debugger_cmds.push(dc),
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None => ()
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};
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match parse_check_line(ln) {
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Some(cl) => check_lines.push(cl),
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None => ()
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};
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true
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};
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return TestProps {
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error_patterns: error_patterns,
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compile_flags: compile_flags,
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pp_exact: pp_exact,
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aux_builds: aux_builds,
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exec_env: exec_env,
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debugger_cmds: debugger_cmds,
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check_lines: check_lines
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};
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}
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pub fn is_test_ignored(config: &config, testfile: &Path) -> bool {
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fn xfail_target(config: &config) -> ~str {
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~"xfail-" + util::get_os(config.target)
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}
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let val = do iter_header(testfile) |ln| {
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if parse_name_directive(ln, "xfail-test") { false }
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else if parse_name_directive(ln, xfail_target(config)) { false }
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else if config.mode == common::mode_pretty &&
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parse_name_directive(ln, "xfail-pretty") { false }
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else { true }
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};
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!val
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}
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fn iter_header(testfile: &Path, it: &fn(&str) -> bool) -> bool {
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use std::rt::io::Open;
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use std::rt::io::file::FileInfo;
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use std::rt::io::buffered::BufferedReader;
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let mut rdr = BufferedReader::new(testfile.open_reader(Open).unwrap());
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loop {
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let ln = match rdr.read_line() {
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Some(ln) => ln, None => break
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};
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// Assume that any directives will be found before the first
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// module or function. This doesn't seem to be an optimization
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// with a warm page cache. Maybe with a cold one.
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if ln.starts_with("fn") || ln.starts_with("mod") {
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return true;
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} else { if !(it(ln.trim())) { return false; } }
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}
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return true;
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}
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fn parse_error_pattern(line: &str) -> Option<~str> {
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parse_name_value_directive(line, ~"error-pattern")
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}
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fn parse_aux_build(line: &str) -> Option<~str> {
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parse_name_value_directive(line, ~"aux-build")
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}
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fn parse_compile_flags(line: &str) -> Option<~str> {
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parse_name_value_directive(line, ~"compile-flags")
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}
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fn parse_debugger_cmd(line: &str) -> Option<~str> {
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parse_name_value_directive(line, ~"debugger")
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}
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fn parse_check_line(line: &str) -> Option<~str> {
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parse_name_value_directive(line, ~"check")
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}
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fn parse_exec_env(line: &str) -> Option<(~str, ~str)> {
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do parse_name_value_directive(line, ~"exec-env").map |nv| {
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// nv is either FOO or FOO=BAR
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let mut strs: ~[~str] = nv.splitn_iter('=', 1).map(|s| s.to_owned()).collect();
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match strs.len() {
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1u => (strs.pop(), ~""),
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2u => {
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let end = strs.pop();
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(strs.pop(), end)
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}
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n => fail2!("Expected 1 or 2 strings, not {}", n)
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}
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}
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}
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fn parse_pp_exact(line: &str, testfile: &Path) -> Option<Path> {
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match parse_name_value_directive(line, ~"pp-exact") {
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Some(s) => Some(Path::new(s)),
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None => {
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if parse_name_directive(line, "pp-exact") {
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testfile.filename().map(|s| Path::new(s))
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} else {
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None
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}
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}
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}
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}
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fn parse_name_directive(line: &str, directive: &str) -> bool {
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line.contains(directive)
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}
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fn parse_name_value_directive(line: &str,
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directive: ~str) -> Option<~str> {
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let keycolon = directive + ":";
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match line.find_str(keycolon) {
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Some(colon) => {
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let value = line.slice(colon + keycolon.len(),
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line.len()).to_owned();
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debug2!("{}: {}", directive, value);
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Some(value)
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}
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None => None
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}
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}
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