MemFSTest.Mkdir_AlreadyExists

819d3ff7 · Aaron Jacobs · fcbc1f76 · 819d3ff7
Commit 819d3ff7 authored Mar 03, 2015 by Aaron Jacobs
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Showing with 12 additions and 1 deletion

samples/memfs/memfs_test.go samples/memfs/memfs_test.go +12 -1

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--- a/samples/memfs/memfs_test.go
+++ b/samples/memfs/memfs_test.go
@@ -125,7 +125,18 @@ func (t *MemFSTest) Mkdir() {
 }

 func (t *MemFSTest) Mkdir_AlreadyExists() {
-	AssertTrue(false, "TODO")
+	var err error
+	dirName := path.Join(t.mfs.Dir(), "dir")
+
+	// Create the directory once.
+	err = os.Mkdir(dirName, 0754)
+	AssertEq(nil, err)
+
+	// Attempt to create it again.
+	err = os.Mkdir(dirName, 0754)
+
+	AssertNe(nil, err)
+	ExpectThat(err, Error(HasSubstr("exists")))
 }

 func (t *MemFSTest) Mkdir_IntermediateIsFile() {