diff --git a/src/test/bench/rt-messaging-ping-pong.rs b/src/test/bench/rt-messaging-ping-pong.rs
index 34e0742b632..b00adf4bdb1 100644
--- a/src/test/bench/rt-messaging-ping-pong.rs
+++ b/src/test/bench/rt-messaging-ping-pong.rs
@@ -22,7 +22,7 @@ use std::uint;
 
 // This is a simple bench that creates M pairs of tasks. These
 // tasks ping-pong back and forth over a pair of streams. This is a
-// cannonical message-passing benchmark as it heavily strains message
+// canonical message-passing benchmark as it heavily strains message
 // passing and almost nothing else.
 
 fn ping_pong_bench(n: uint, m: uint) {
diff --git a/src/test/bench/shootout-meteor.rs b/src/test/bench/shootout-meteor.rs
index 615dd1d69d5..9be111f55ae 100644
--- a/src/test/bench/shootout-meteor.rs
+++ b/src/test/bench/shootout-meteor.rs
@@ -101,7 +101,7 @@ impl<'a, T> Iterator<&'a T> for ListIterator<'a, T> {
 // every possible transformations (the 6 rotations with their
 // corresponding mirrored piece), with, as minimum coordinates, (0,
 // 0).  If all is false, only generate half of the possibilities (used
-// to break the symetry of the board).
+// to break the symmetry of the board).
 fn transform(piece: Vec<(int, int)> , all: bool) -> Vec<Vec<(int, int)>> {
     let mut res: Vec<Vec<(int, int)>> =
         // rotations
@@ -124,9 +124,9 @@ fn transform(piece: Vec<(int, int)> , all: bool) -> Vec<Vec<(int, int)>> {
     res
 }
 
-// A mask is a piece somewere on the board.  It is represented as a
+// A mask is a piece somewhere on the board.  It is represented as a
 // u64: for i in the first 50 bits, m[i] = 1 if the cell at (i/5, i%5)
-// is occuped.  m[50 + id] = 1 if the identifier of the piece is id.
+// is occupied.  m[50 + id] = 1 if the identifier of the piece is id.
 
 // Takes a piece with minimum coordinate (0, 0) (as generated by
 // transform).  Returns the corresponding mask if p translated by (dy,
@@ -159,7 +159,7 @@ fn make_masks() -> Vec<Vec<Vec<u64> > > {
         vec!((0i,0i),(0,1),(0,2),(1,2),(1,3)),
         vec!((0i,0i),(0,1),(0,2),(0,3),(1,2)));
 
-    // To break the central symetry of the problem, every
+    // To break the central symmetry of the problem, every
     // transformation must be taken except for one piece (piece 3
     // here).
     let transforms: Vec<Vec<Vec<(int, int)>>> =
@@ -263,7 +263,7 @@ impl Data {
 // Records a new found solution.  Returns false if the search must be
 // stopped.
 fn handle_sol(raw_sol: &List<u64>, data: &mut Data) {
-    // because we break the symetry, 2 solutions correspond to a call
+    // because we break the symmetry, 2 solutions correspond to a call
     // to this method: the normal solution, and the same solution in
     // reverse order, i.e. the board rotated by half a turn.
     data.nb += 2;
@@ -298,7 +298,7 @@ fn search(
     for id in range(0u, 10).filter(|id| board & (1 << (id + 50)) == 0) {
         // for each mask that fits on the board
         for m in masks_at.get(id).iter().filter(|&m| board & *m == 0) {
-            // This check is too costy.
+            // This check is too costly.
             //if is_board_unfeasible(board | m, masks) {continue;}
             search(masks, board | *m, i + 1, Cons(*m, &cur), data);
         }
diff --git a/src/test/bench/shootout-spectralnorm.rs b/src/test/bench/shootout-spectralnorm.rs
index 8cec135944f..2cbbfdb23fe 100644
--- a/src/test/bench/shootout-spectralnorm.rs
+++ b/src/test/bench/shootout-spectralnorm.rs
@@ -36,8 +36,8 @@ fn dot(v: &[f64], u: &[f64]) -> f64 {
 
 fn mult(v: Arc<RWLock<Vec<f64>>>, out: Arc<RWLock<Vec<f64>>>,
         f: fn(&Vec<f64>, uint) -> f64) {
-    // We lanch in different tasks the work to be done.  To finish
-    // this fuction, we need to wait for the completion of every
+    // We launch in different tasks the work to be done.  To finish
+    // this function, we need to wait for the completion of every
     // tasks.  To do that, we give to each tasks a wait_chan that we
     // drop at the end of the work.  At the end of this function, we
     // wait until the channel hang up.
diff --git a/src/test/compile-fail/borrowck-forbid-static-unsafe-interior.rs b/src/test/compile-fail/borrowck-forbid-static-unsafe-interior.rs
index 5928ded1e39..01a6e33467e 100644
--- a/src/test/compile-fail/borrowck-forbid-static-unsafe-interior.rs
+++ b/src/test/compile-fail/borrowck-forbid-static-unsafe-interior.rs
@@ -9,7 +9,7 @@
 // except according to those terms.
 
 // Verify that it is not possible to take the address of
-// static items with usnafe interior.
+// static items with unsafe interior.
 
 use std::kinds::marker;
 use std::cell::UnsafeCell;
diff --git a/src/test/compile-fail/borrowck-managed-pointer-deref-scope.rs b/src/test/compile-fail/borrowck-managed-pointer-deref-scope.rs
index f57edc193f3..a8a79056fb1 100644
--- a/src/test/compile-fail/borrowck-managed-pointer-deref-scope.rs
+++ b/src/test/compile-fail/borrowck-managed-pointer-deref-scope.rs
@@ -8,8 +8,8 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-// Verify that managed pointers scope is treated like ownoed pointers.
-// regresion test for #11586
+// Verify that managed pointers scope is treated like owned pointers.
+// regression test for #11586
 
 
 use std::gc::{GC, Gc};
diff --git a/src/test/compile-fail/check-static-values-constraints.rs b/src/test/compile-fail/check-static-values-constraints.rs
index 12bc23e9bdc..3e67419843c 100644
--- a/src/test/compile-fail/check-static-values-constraints.rs
+++ b/src/test/compile-fail/check-static-values-constraints.rs
@@ -72,7 +72,7 @@ static STATIC7: SafeStruct = SafeStruct{field1: Variant1, field2: Variant3(WithD
 //~^ ERROR static items are not allowed to have destructors
 
 // Test variadic constructor for structs. The base struct should be examined
-// as well as every field persent in the constructor.
+// as well as every field present in the constructor.
 // This example shouldn't fail because all the fields are safe.
 static STATIC8: SafeStruct = SafeStruct{field1: Variant1,
                                         ..SafeStruct{field1: Variant1, field2: Variant1}};
diff --git a/src/test/compile-fail/issue-5806.rs b/src/test/compile-fail/issue-5806.rs
index 715772b3114..702f02c721d 100644
--- a/src/test/compile-fail/issue-5806.rs
+++ b/src/test/compile-fail/issue-5806.rs
@@ -8,7 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-// opyright 2013 The Rust Project Developers. See the COPYRIGHT
+// Copyright 2013 The Rust Project Developers. See the COPYRIGHT
 // file at the top-level directory of this distribution and at
 // http://rust-lang.org/COPYRIGHT.
 //
diff --git a/src/test/compile-fail/privacy1.rs b/src/test/compile-fail/privacy1.rs
index 015d221e7ef..52be07b463d 100644
--- a/src/test/compile-fail/privacy1.rs
+++ b/src/test/compile-fail/privacy1.rs
@@ -15,7 +15,7 @@
 pub trait Sized {}
 
 mod bar {
-    // shouln't bring in too much
+    // shouldn't bring in too much
     pub use self::glob::*;
 
     // can't publicly re-export private items
diff --git a/src/test/compile-fail/typeck-unsafe-always-share.rs b/src/test/compile-fail/typeck-unsafe-always-share.rs
index 826fec27929..369bd0a15c4 100644
--- a/src/test/compile-fail/typeck-unsafe-always-share.rs
+++ b/src/test/compile-fail/typeck-unsafe-always-share.rs
@@ -8,7 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-// Verify that UnsafeCell is *always* sync regardles `T` is sync.
+// Verify that UnsafeCell is *always* sync regardless if `T` is sync.
 
 // ignore-tidy-linelength
 
diff --git a/src/test/compile-fail/variance-regions-indirect.rs b/src/test/compile-fail/variance-regions-indirect.rs
index 913335fa51b..0d20f652496 100644
--- a/src/test/compile-fail/variance-regions-indirect.rs
+++ b/src/test/compile-fail/variance-regions-indirect.rs
@@ -9,7 +9,7 @@
 // except according to those terms.
 
 // Test that we correctly infer variance for region parameters in
-// case that involve multiple intracrate types.
+// case that involve multiple intricate types.
 // Try enums too.
 
 #[rustc_variance]
diff --git a/src/test/run-make/unicode-input/multiple_files.rs b/src/test/run-make/unicode-input/multiple_files.rs
index c436958171d..295af0964b4 100644
--- a/src/test/run-make/unicode-input/multiple_files.rs
+++ b/src/test/run-make/unicode-input/multiple_files.rs
@@ -13,7 +13,7 @@ use std::io::{File, Command};
 use std::rand::{task_rng, Rng};
 
 // creates unicode_input_multiple_files_{main,chars}.rs, where the
-// former imports the latter. `_chars` just contains an indentifier
+// former imports the latter. `_chars` just contains an identifier
 // made up of random characters, because will emit an error message
 // about the ident being in the wrong place, with a span (and creating
 // this span used to upset the compiler).
diff --git a/src/test/run-pass/builtin-superkinds-phantom-typaram.rs b/src/test/run-pass/builtin-superkinds-phantom-typaram.rs
index 740b8c2016a..7e1b2821937 100644
--- a/src/test/run-pass/builtin-superkinds-phantom-typaram.rs
+++ b/src/test/run-pass/builtin-superkinds-phantom-typaram.rs
@@ -8,7 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-// Tests that even when a type paramenter doesn't implement a required
+// Tests that even when a type parameter doesn't implement a required
 // super-builtin-kind of a trait, if the type parameter is never used,
 // the type can implement the trait anyway.
 
diff --git a/src/test/run-pass/cleanup-shortcircuit.rs b/src/test/run-pass/cleanup-shortcircuit.rs
index 5597d5fa011..7dd46e7b017 100644
--- a/src/test/run-pass/cleanup-shortcircuit.rs
+++ b/src/test/run-pass/cleanup-shortcircuit.rs
@@ -18,7 +18,7 @@
 // option. this file may not be copied, modified, or distributed
 // except according to those terms.
 
-// Test that cleanups for the RHS of shorcircuiting operators work.
+// Test that cleanups for the RHS of shortcircuiting operators work.
 
 use std::os;
 
diff --git a/src/test/run-pass/close-over-big-then-small-data.rs b/src/test/run-pass/close-over-big-then-small-data.rs
index b5c42c453a7..59d532a40e7 100644
--- a/src/test/run-pass/close-over-big-then-small-data.rs
+++ b/src/test/run-pass/close-over-big-then-small-data.rs
@@ -8,7 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-// If we use GEPi rathern than GEP_tup_like when
+// If we use GEPi rather than GEP_tup_like when
 // storing closure data (as we used to do), the u64 would
 // overwrite the u16.
 
diff --git a/src/test/run-pass/core-run-destroy.rs b/src/test/run-pass/core-run-destroy.rs
index d187a6a8afe..34f1e681608 100644
--- a/src/test/run-pass/core-run-destroy.rs
+++ b/src/test/run-pass/core-run-destroy.rs
@@ -76,7 +76,7 @@ pub fn sleeper() -> Process {
 pub fn sleeper() -> Process {
     // There's a `timeout` command on windows, but it doesn't like having
     // its output piped, so instead just ping ourselves a few times with
-    // gaps inbetweeen so we're sure this process is alive for awhile
+    // gaps in between so we're sure this process is alive for awhile
     Command::new("ping").arg("127.0.0.1").arg("-n").arg("1000").spawn().unwrap()
 }
 
diff --git a/src/test/run-pass/deriving-encodable-decodable-cell-refcell.rs b/src/test/run-pass/deriving-encodable-decodable-cell-refcell.rs
index 9eef83184e1..7164547b6b8 100644
--- a/src/test/run-pass/deriving-encodable-decodable-cell-refcell.rs
+++ b/src/test/run-pass/deriving-encodable-decodable-cell-refcell.rs
@@ -8,7 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-// This briefuly tests the capability of `Cell` and `RefCell` to implement the
+// This briefly tests the capability of `Cell` and `RefCell` to implement the
 // `Encodable` and `Decodable` traits via `#[deriving(Encodable, Decodable)]`
 
 extern crate serialize;
diff --git a/src/test/run-pass/deriving-meta-multiple.rs b/src/test/run-pass/deriving-meta-multiple.rs
index 27e0b998882..1f2cd0425d3 100644
--- a/src/test/run-pass/deriving-meta-multiple.rs
+++ b/src/test/run-pass/deriving-meta-multiple.rs
@@ -11,7 +11,7 @@
 
 use std::hash::hash;
 
-// testing mulptiple separate deriving attributes
+// testing multiple separate deriving attributes
 #[deriving(PartialEq)]
 #[deriving(Clone)]
 #[deriving(Hash)]
diff --git a/src/test/run-pass/foreign-dupe.rs b/src/test/run-pass/foreign-dupe.rs
index 577efbd39e1..39c7d6dda0d 100644
--- a/src/test/run-pass/foreign-dupe.rs
+++ b/src/test/run-pass/foreign-dupe.rs
@@ -8,7 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-// calling pin_task and that's having wierd side-effects.
+// calling pin_task and that's having weird side-effects.
 
 mod rustrt1 {
     extern crate libc;
diff --git a/src/test/run-pass/issue-11709.rs b/src/test/run-pass/issue-11709.rs
index 33c17cedb1d..d299b853aee 100644
--- a/src/test/run-pass/issue-11709.rs
+++ b/src/test/run-pass/issue-11709.rs
@@ -12,7 +12,7 @@
 
 // Don't fail on blocks without results
 // There are several tests in this run-pass that raised
-// when this bug was oppened. The cases where the compiler
+// when this bug was opened. The cases where the compiler
 // failed before the fix have a comment.
 
 struct S {x:()}
diff --git a/src/test/run-pass/issue-2185.rs b/src/test/run-pass/issue-2185.rs
index 974905487fe..1bc1196c491 100644
--- a/src/test/run-pass/issue-2185.rs
+++ b/src/test/run-pass/issue-2185.rs
@@ -13,7 +13,7 @@
 
 // notes on this test case:
 // On Thu, Apr 18, 2013-2014 at 6:30 PM, John Clements <clements@brinckerhoff.org> wrote:
-// the "issue-2185.rs" test was ignoreed with a ref to #2263. Issue #2263 is now fixed,
+// the "issue-2185.rs" test was ignored with a ref to #2263. Issue #2263 is now fixed,
 // so I tried it again, and after adding some &self parameters, I got this error:
 //
 // Running /usr/local/bin/rustc:
diff --git a/src/test/run-pass/issue-9382.rs b/src/test/run-pass/issue-9382.rs
index 0682e559cf4..369f93222e1 100644
--- a/src/test/run-pass/issue-9382.rs
+++ b/src/test/run-pass/issue-9382.rs
@@ -10,7 +10,7 @@
 
 #![allow(unnecessary_allocation)]
 
-// Tests for a previous bug that occured due to an interaction
+// Tests for a previous bug that occurred due to an interaction
 // between struct field initialization and the auto-coercion
 // from a vector to a slice. The drop glue was being invoked on
 // the temporary slice with a wrong type, triggering an LLVM assert.
diff --git a/src/test/run-pass/linkage1.rs b/src/test/run-pass/linkage1.rs
index 2ab1e911180..852fe80fcc8 100644
--- a/src/test/run-pass/linkage1.rs
+++ b/src/test/run-pass/linkage1.rs
@@ -28,7 +28,7 @@ fn main() {
     // It appears that the --as-needed flag to linkers will not pull in a dynamic
     // library unless it satisfies a non weak undefined symbol. The 'other' crate
     // is compiled as a dynamic library where it would only be used for a
-    // weak-symbol as part of an executable, so the dynamic library woudl be
+    // weak-symbol as part of an executable, so the dynamic library would be
     // discarded. By adding and calling `other::bar`, we get around this problem.
     other::bar();
 
diff --git a/src/test/run-pass/regions-infer-borrow-scope-addr-of.rs b/src/test/run-pass/regions-infer-borrow-scope-addr-of.rs
index 18458aa2320..319e01172bb 100644
--- a/src/test/run-pass/regions-infer-borrow-scope-addr-of.rs
+++ b/src/test/run-pass/regions-infer-borrow-scope-addr-of.rs
@@ -15,7 +15,7 @@ pub fn main() {
 
     for i in range(0u, 3) {
         // ensure that the borrow in this alt
-        // does not inferfere with the swap
+        // does not interfere with the swap
         // below.  note that it would it you
         // naively borrowed &x for the lifetime
         // of the variable x, as we once did
diff --git a/src/test/run-pass/regions-lifetime-nonfree-late-bound.rs b/src/test/run-pass/regions-lifetime-nonfree-late-bound.rs
index 1c2e50a5f76..77ecb077fef 100644
--- a/src/test/run-pass/regions-lifetime-nonfree-late-bound.rs
+++ b/src/test/run-pass/regions-lifetime-nonfree-late-bound.rs
@@ -12,7 +12,7 @@
 //
 // The original issue causing the ICE: the LUB-computations during
 // type inference were encountering late-bound lifetimes, and
-// asserting that such lifetimes should have already been subsituted
+// asserting that such lifetimes should have already been substituted
 // with a concrete lifetime.
 //
 // However, those encounters were occurring within the lexical scope
diff --git a/src/test/run-pass/shebang.rs b/src/test/run-pass/shebang.rs
index bd3181842ec..87da814771b 100644
--- a/src/test/run-pass/shebang.rs
+++ b/src/test/run-pass/shebang.rs
@@ -9,7 +9,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-// ignore-pretty: `expand` addes some preludes before shebang
+// ignore-pretty: `expand` adds some preludes before shebang
 //
 // ignore-lexer-test FIXME #15878