Allow the workspace to be /

Fixes #367.

--
MOS_MIGRATED_REVID=100281134

1 files changed, 43 insertions, 0 deletions

diff --git a/src/test/java/com/google/devtools/build/lib/analysis/BlazeDirectoriesTest.java b/src/test/java/com/google/devtools/build/lib/analysis/BlazeDirectoriesTest.java
new file mode 100644
index 0000000000..422a5354d0
--- /dev/null
+++ b/src/test/java/com/google/devtools/build/lib/analysis/BlazeDirectoriesTest.java
@@ -0,0 +1,43 @@
+// Copyright 2015 Google Inc. All rights reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//    http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+package com.google.devtools.build.lib.analysis;
+
+import com.google.devtools.build.lib.testutil.FoundationTestCase;
+import com.google.devtools.build.lib.vfs.FileSystem;
+import com.google.devtools.build.lib.vfs.Path;
+
+/**
+ * Unit tests for {@link BlazeDirectories}.
+ */
+public class BlazeDirectoriesTest extends FoundationTestCase {
+  public void testCreatingDirectories() {
+    FileSystem fs = scratch.getFileSystem();
+    Path installBase = fs.getPath("/my/install");
+    Path outputBase = fs.getPath("/my/output");
+    Path workspace = fs.getPath("/my/ws");
+    BlazeDirectories directories = new BlazeDirectories(installBase, outputBase, workspace);
+    assertEquals(directories.getExecRoot(), outputBase.getChild("ws"));
+
+    workspace = null;
+    directories = new BlazeDirectories(installBase, outputBase, workspace);
+    assertEquals(directories.getExecRoot(),
+        outputBase.getChild(BlazeDirectories.DEFAULT_EXEC_ROOT));
+
+    workspace = fs.getPath("/");
+    directories = new BlazeDirectories(installBase, outputBase, workspace);
+    assertEquals(directories.getExecRoot(),
+        outputBase.getChild(BlazeDirectories.DEFAULT_EXEC_ROOT));
+  }
+
+}