diff --git a/java/kotlin_test.go b/java/kotlin_test.go
new file mode 100644
index 0000000..08a3085
--- /dev/null
+++ b/java/kotlin_test.go
@@ -0,0 +1,82 @@
+// Copyright 2017 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 java
+
+import (
+	"strings"
+	"testing"
+)
+
+func TestKotlin(t *testing.T) {
+	ctx := testJava(t, `
+		java_library {
+			name: "foo",
+			srcs: ["a.java", "b.kt"],
+		}
+
+		java_library {
+			name: "bar",
+			srcs: ["b.kt"],
+			libs: ["foo"],
+			static_libs: ["baz"],
+		}
+
+		java_library {
+			name: "baz",
+			srcs: ["c.java"],
+		}
+		`)
+
+	fooKotlinc := ctx.ModuleForTests("foo", "android_common").Rule("kotlinc")
+	fooJavac := ctx.ModuleForTests("foo", "android_common").Rule("javac")
+	fooJar := ctx.ModuleForTests("foo", "android_common").Output("combined/foo.jar")
+
+	if len(fooKotlinc.Inputs) != 2 || fooKotlinc.Inputs[0].String() != "a.java" ||
+		fooKotlinc.Inputs[1].String() != "b.kt" {
+		t.Errorf(`foo kotlinc inputs %v != ["a.java", "b.kt"]`, fooKotlinc.Inputs)
+	}
+
+	if len(fooJavac.Inputs) != 1 || fooJavac.Inputs[0].String() != "a.java" {
+		t.Errorf(`foo inputs %v != ["a.java"]`, fooJavac.Inputs)
+	}
+
+	if !strings.Contains(fooJavac.Args["classpath"], fooKotlinc.Output.String()) {
+		t.Errorf("foo classpath %v does not contain %q",
+			fooJavac.Args["classpath"], fooKotlinc.Output.String())
+	}
+
+	if !inList(fooKotlinc.Output.String(), fooJar.Inputs.Strings()) {
+		t.Errorf("foo jar inputs %v does not contain %q",
+			fooJar.Inputs.Strings(), fooKotlinc.Output.String())
+	}
+
+	fooHeaderJar := ctx.ModuleForTests("foo", "android_common").Output("turbine-combined/foo.jar")
+	bazHeaderJar := ctx.ModuleForTests("baz", "android_common").Output("turbine-combined/baz.jar")
+	barKotlinc := ctx.ModuleForTests("bar", "android_common").Rule("kotlinc")
+
+	if len(barKotlinc.Inputs) != 1 || barKotlinc.Inputs[0].String() != "b.kt" {
+		t.Errorf(`bar kotlinc inputs %v != ["b.kt"]`, barKotlinc.Inputs)
+	}
+
+	if !inList(fooHeaderJar.Output.String(), barKotlinc.Implicits.Strings()) {
+		t.Errorf(`expected %q in bar implicits %v`,
+			fooHeaderJar.Output.String(), barKotlinc.Implicits.Strings())
+	}
+
+	if !inList(bazHeaderJar.Output.String(), barKotlinc.Implicits.Strings()) {
+		t.Errorf(`expected %q in bar implicits %v`,
+			bazHeaderJar.Output.String(), barKotlinc.Implicits.Strings())
+	}
+}