auto merge of #17868 : nick29581/rust/valgrind, r=alexcrichton

r? @alexcrichton

src/compiletest/common.rs

@@ -17,6 +17,7 @@ pub enum Mode {
     CompileFail,
     RunFail,
     RunPass,
+    RunPassValgrind,
     Pretty,
     DebugInfoGdb,
     DebugInfoLldb,
@@ -29,6 +30,7 @@ impl FromStr for Mode {
           "compile-fail" => Some(CompileFail),
           "run-fail" => Some(RunFail),
           "run-pass" => Some(RunPass),
+          "run-pass-valgrind" => Some(RunPassValgrind),
           "pretty" => Some(Pretty),
           "debuginfo-lldb" => Some(DebugInfoLldb),
           "debuginfo-gdb" => Some(DebugInfoGdb),
@@ -44,6 +46,7 @@ impl fmt::Show for Mode {
             CompileFail => "compile-fail",
             RunFail => "run-fail",
             RunPass => "run-pass",
+            RunPassValgrind => "run-pass-valgrind",
             Pretty => "pretty",
             DebugInfoGdb => "debuginfo-gdb",
             DebugInfoLldb => "debuginfo-lldb",
@@ -70,6 +73,13 @@ pub struct Config {
     // The llvm binaries path
     pub llvm_bin_path: Option<Path>,
 
+    // The valgrind path
+    pub valgrind_path: Option<String>,
+
+    // Whether to fail if we can't run run-pass-valgrind tests under valgrind
+    // (or, alternatively, to silently run them like regular run-pass tests).
+    pub force_valgrind: bool,
+
     // The directory containing the tests to run
     pub src_base: Path,
 

src/compiletest/compiletest.rs

@@ -39,6 +39,11 @@ pub mod errors;
 pub fn main() {
     let args = os::args();
     let config = parse_config(args);
+
+    if config.valgrind_path.is_none() && config.force_valgrind {
+        fail!("Can't find Valgrind to run Valgrind tests");
+    }
+
     log_config(&config);
     run_tests(&config);
 }
@@ -50,13 +55,15 @@ pub fn parse_config(args: Vec<String> ) -> Config {
           reqopt("", "run-lib-path", "path to target shared libraries", "PATH"),
           reqopt("", "rustc-path", "path to rustc to use for compiling", "PATH"),
           optopt("", "clang-path", "path to  executable for codegen tests", "PATH"),
+          optopt("", "valgrind-path", "path to Valgrind executable for Valgrind tests", "PROGRAM"),
+          optflag("", "force-valgrind", "fail if Valgrind tests cannot be run under Valgrind"),
           optopt("", "llvm-bin-path", "path to directory holding llvm binaries", "DIR"),
           reqopt("", "src-base", "directory to scan for test files", "PATH"),
           reqopt("", "build-base", "directory to deposit test outputs", "PATH"),
           reqopt("", "aux-base", "directory to find auxiliary test files", "PATH"),
           reqopt("", "stage-id", "the target-stage identifier", "stageN-TARGET"),
           reqopt("", "mode", "which sort of compile tests to run",
-                 "(compile-fail|run-fail|run-pass|pretty|debug-info)"),
+                 "(compile-fail|run-fail|run-pass|run-pass-valgrind|pretty|debug-info)"),
           optflag("", "ignored", "run tests marked as ignored"),
           optopt("", "runtool", "supervisor program to run tests under \
                                  (eg. emulator, valgrind)", "PROGRAM"),
@@ -125,6 +132,8 @@ pub fn parse_config(args: Vec<String> ) -> Config {
         run_lib_path: matches.opt_str("run-lib-path").unwrap(),
         rustc_path: opt_path(matches, "rustc-path"),
         clang_path: matches.opt_str("clang-path").map(|s| Path::new(s)),
+        valgrind_path: matches.opt_str("valgrind-path"),
+        force_valgrind: matches.opt_present("force-valgrind"),
         llvm_bin_path: matches.opt_str("llvm-bin-path").map(|s| Path::new(s)),
         src_base: opt_path(matches, "src-base"),
         build_base: opt_path(matches, "build-base"),
@@ -162,7 +171,7 @@ pub fn parse_config(args: Vec<String> ) -> Config {
             !opt_str2(matches.opt_str("adb-test-dir")).is_empty(),
         lldb_python_dir: matches.opt_str("lldb-python-dir"),
         test_shard: test::opt_shard(matches.opt_str("test-shard")),
-        verbose: matches.opt_present("verbose")
+        verbose: matches.opt_present("verbose"),
     }
 }
 

src/compiletest/runtest.rs

@@ -9,7 +9,7 @@
 // except according to those terms.
 
 use common::Config;
-use common::{CompileFail, Pretty, RunFail, RunPass, DebugInfoGdb};
+use common::{CompileFail, Pretty, RunFail, RunPass, RunPassValgrind, DebugInfoGdb};
 use common::{Codegen, DebugInfoLldb};
 use errors;
 use header::TestProps;
@@ -35,7 +35,6 @@ use std::time::Duration;
 use test::MetricMap;
 
 pub fn run(config: Config, testfile: String) {
-
     match config.target.as_slice() {
 
         "arm-linux-androideabi" => {
@@ -64,6 +63,7 @@ pub fn run_metrics(config: Config, testfile: String, mm: &mut MetricMap) {
       CompileFail => run_cfail_test(&config, &props, &testfile),
       RunFail => run_rfail_test(&config, &props, &testfile),
       RunPass => run_rpass_test(&config, &props, &testfile),
+      RunPassValgrind => run_valgrind_test(&config, &props, &testfile),
       Pretty => run_pretty_test(&config, &props, &testfile),
       DebugInfoGdb => run_debuginfo_gdb_test(&config, &props, &testfile),
       DebugInfoLldb => run_debuginfo_lldb_test(&config, &props, &testfile),
@@ -164,6 +164,27 @@ fn run_rpass_test(config: &Config, props: &TestProps, testfile: &Path) {
     }
 }
 
+fn run_valgrind_test(config: &Config, props: &TestProps, testfile: &Path) {
+    if config.valgrind_path.is_none() {
+        assert!(!config.force_valgrind);
+        return run_rpass_test(config, props, testfile);
+    }
+
+    let mut proc_res = compile_test(config, props, testfile);
+
+    if !proc_res.status.success() {
+        fatal_proc_rec("compilation failed!", &proc_res);
+    }
+
+    let mut new_config = config.clone();
+    new_config.runtool = new_config.valgrind_path.clone();
+    proc_res = exec_compiled_test(&new_config, props, testfile);
+
+    if !proc_res.status.success() {
+        fatal_proc_rec("test run failed!", &proc_res);
+    }
+}
+
 fn run_pretty_test(config: &Config, props: &TestProps, testfile: &Path) {
     if props.pp_exact.is_some() {
         logv(config, "testing for exact pretty-printing".to_string());

src/libgetopts/lib.rs

@@ -804,7 +804,7 @@ pub fn short_usage(program_name: &str, opts: &[OptGroup]) -> String {
 /// whitespace removed, and are only cut at whitespace boundaries.
 ///
 /// Note: Function was moved here from `std::str` because this module is the only place that
-/// uses it, and because it was to specific for a general string function.
+/// uses it, and because it was too specific for a general string function.
 ///
 /// #Failure:
 ///