Fix "deno test" on windows

.ci/check_source_file_changes.ts

@@ -1,6 +1,7 @@
 // Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
 import { xrun } from "../prettier/util.ts";
 import { red, green } from "../fmt/colors.ts";
+import { EOL } from "../fs/path/constants.ts";
 
 /**
  * Checks whether any source file is changed since the given start time.
@@ -11,7 +12,7 @@ async function main(startTime: number): Promise<void> {
   const changed = new TextDecoder()
     .decode(await xrun({ args: ["git", "ls-files"], stdout: "piped" }).output())
     .trim()
-    .split("\n")
+    .split(EOL)
     .filter(file => {
       const stat = Deno.lstatSync(file);
       if (stat != null) {

testing/runner.ts

@@ -3,13 +3,14 @@
 import { parse } from "../flags/mod.ts";
 import { glob, isGlob, walk } from "../fs/mod.ts";
 import { runTests } from "./mod.ts";
+import { join } from "../fs/path/mod.ts";
 const { args, cwd } = Deno;
 
 const DEFAULT_GLOBS = [
-  "**/*_test.ts",
-  "**/*_test.js",
-  "**/test.ts",
-  "**/test.js"
+  join("**", "*_test.ts"),
+  join("**", "*_test.js"),
+  join("**", "test.ts"),
+  join("**", "test.js")
 ];
 
 /* eslint-disable max-len */

testing/runner_test.ts

@@ -22,7 +22,7 @@ test(async function getMatchingUrlsRemote(): Promise<void> {
 
 test(async function getMatchingUrlsLocal(): Promise<void> {
   const urls = await getMatchingUrls(
-    ["fmt/*_test.ts"],
+    [join("fmt", "*_test.ts")],
     ["colors*"],
     TEST_ROOT_PATH
   );

xeval/test.ts

@@ -1,6 +1,7 @@
 import { xeval } from "./mod.ts";
 import { stringsReader } from "../io/util.ts";
 import { decode, encode } from "../strings/mod.ts";
+import { EOL } from "../fs/path/constants.ts";
 import { assertEquals, assertStrContains } from "../testing/asserts.ts";
 import { test } from "../testing/mod.ts";
 const { execPath, run } = Deno;
@@ -33,7 +34,7 @@ test(async function xevalCliReplvar(): Promise<void> {
   await p.stdin!.write(encode("hello"));
   await p.stdin!.close();
   assertEquals(await p.status(), { code: 0, success: true });
-  assertEquals(decode(await p.output()), "hello\n");
+  assertEquals(decode(await p.output()), "hello" + EOL);
 });
 
 test(async function xevalCliSyntaxError(): Promise<void> {