diff --git a/spec/fixtures/file1.bin b/spec/fixtures/file1.bin
new file mode 100644
index 0000000..f76dd23
Binary files /dev/null and b/spec/fixtures/file1.bin differ
diff --git a/spec/fixtures/file2.bin b/spec/fixtures/file2.bin
new file mode 100644
index 0000000..ba18e3d
Binary files /dev/null and b/spec/fixtures/file2.bin differ
diff --git a/spec/fixtures/ldiff/output.diff.bin1 b/spec/fixtures/ldiff/output.diff.bin1
new file mode 100644
index 0000000..e69de29
diff --git a/spec/fixtures/ldiff/output.diff.bin1-c b/spec/fixtures/ldiff/output.diff.bin1-c
new file mode 100644
index 0000000..e69de29
diff --git a/spec/fixtures/ldiff/output.diff.bin1-e b/spec/fixtures/ldiff/output.diff.bin1-e
new file mode 100644
index 0000000..e69de29
diff --git a/spec/fixtures/ldiff/output.diff.bin1-f b/spec/fixtures/ldiff/output.diff.bin1-f
new file mode 100644
index 0000000..e69de29
diff --git a/spec/fixtures/ldiff/output.diff.bin1-u b/spec/fixtures/ldiff/output.diff.bin1-u
new file mode 100644
index 0000000..e69de29
diff --git a/spec/fixtures/ldiff/output.diff.bin2 b/spec/fixtures/ldiff/output.diff.bin2
new file mode 100644
index 0000000..41b625c
--- /dev/null
+++ b/spec/fixtures/ldiff/output.diff.bin2
@@ -0,0 +1 @@
+Binary files spec/fixtures/file1.bin and spec/fixtures/file2.bin differ
diff --git a/spec/fixtures/ldiff/output.diff.bin2-c b/spec/fixtures/ldiff/output.diff.bin2-c
new file mode 100644
index 0000000..41b625c
--- /dev/null
+++ b/spec/fixtures/ldiff/output.diff.bin2-c
@@ -0,0 +1 @@
+Binary files spec/fixtures/file1.bin and spec/fixtures/file2.bin differ
diff --git a/spec/fixtures/ldiff/output.diff.bin2-e b/spec/fixtures/ldiff/output.diff.bin2-e
new file mode 100644
index 0000000..41b625c
--- /dev/null
+++ b/spec/fixtures/ldiff/output.diff.bin2-e
@@ -0,0 +1 @@
+Binary files spec/fixtures/file1.bin and spec/fixtures/file2.bin differ
diff --git a/spec/fixtures/ldiff/output.diff.bin2-f b/spec/fixtures/ldiff/output.diff.bin2-f
new file mode 100644
index 0000000..41b625c
--- /dev/null
+++ b/spec/fixtures/ldiff/output.diff.bin2-f
@@ -0,0 +1 @@
+Binary files spec/fixtures/file1.bin and spec/fixtures/file2.bin differ
diff --git a/spec/fixtures/ldiff/output.diff.bin2-u b/spec/fixtures/ldiff/output.diff.bin2-u
new file mode 100644
index 0000000..41b625c
--- /dev/null
+++ b/spec/fixtures/ldiff/output.diff.bin2-u
@@ -0,0 +1 @@
+Binary files spec/fixtures/file1.bin and spec/fixtures/file2.bin differ
diff --git a/spec/ldiff_spec.rb b/spec/ldiff_spec.rb
index d91d2c2..069818d 100644
--- a/spec/ldiff_spec.rb
+++ b/spec/ldiff_spec.rb
@@ -8,6 +8,8 @@
   # standard:disable Style/HashSyntax
   fixtures = [
     {:name => "output.diff", :left => "aX", :right => "bXaX", :diff => 1},
+    {:name => "output.diff.bin1", :left => "file1.bin", :right => "file1.bin", :diff => 0},
+    {:name => "output.diff.bin2", :left => "file1.bin", :right => "file2.bin", :diff => 1},
     {:name => "output.diff.chef", :left => "old-chef", :right => "new-chef", :diff => 1},
     {:name => "output.diff.chef2", :left => "old-chef2", :right => "new-chef2", :diff => 1}
   ].product([nil, "-e", "-f", "-c", "-u"]).map { |(fixture, flag)|