Merge pull request #4898 from soc/SI-8700

SI-8700 Exhaustiveness warning for enums from Java source

10 files changed, 72 insertions, 0 deletions

diff --git a/test/files/neg/t8700a.check b/test/files/neg/t8700a.check
new file mode 100644
index 0000000000..ce7945a3fc
--- /dev/null
+++ b/test/files/neg/t8700a.check
@@ -0,0 +1,11 @@
+Bar.scala:2: warning: match may not be exhaustive.
+It would fail on the following input: B
+  def bar1(foo: Foo) = foo match {
+                       ^
+Bar.scala:6: warning: match may not be exhaustive.
+It would fail on the following input: B
+  def bar2(foo: Baz) = foo match {
+                       ^
+error: No warnings can be incurred under -Xfatal-warnings.
+two warnings found
+one error found
diff --git a/test/files/neg/t8700a.flags b/test/files/neg/t8700a.flags
new file mode 100644
index 0000000000..85d8eb2ba2
--- /dev/null
+++ b/test/files/neg/t8700a.flags
@@ -0,0 +1 @@
+-Xfatal-warnings
diff --git a/test/files/neg/t8700a/Bar.scala b/test/files/neg/t8700a/Bar.scala
new file mode 100644
index 0000000000..33ad8e9877
--- /dev/null
+++ b/test/files/neg/t8700a/Bar.scala
@@ -0,0 +1,9 @@
+object Bar {
+  def bar1(foo: Foo) = foo match {
+    case Foo.A => 1
+  }
+
+  def bar2(foo: Baz) = foo match {
+    case Baz.A => 1
+    }
+}
diff --git a/test/files/neg/t8700a/Baz.java b/test/files/neg/t8700a/Baz.java
new file mode 100644
index 0000000000..f85ad40802
--- /dev/null
+++ b/test/files/neg/t8700a/Baz.java
@@ -0,0 +1,11 @@
+public enum Baz {
+    A {
+    	public void baz1() {}
+    },
+    B {
+        public void baz1() {}
+    };
+
+    public abstract void baz1();
+    public void baz2() {}
+}
diff --git a/test/files/neg/t8700a/Foo.java b/test/files/neg/t8700a/Foo.java
new file mode 100644
index 0000000000..cc8e9daf1f
--- /dev/null
+++ b/test/files/neg/t8700a/Foo.java
@@ -0,0 +1,4 @@
+public enum Foo {
+    A,
+    B
+}
diff --git a/test/files/neg/t8700b.check b/test/files/neg/t8700b.check
new file mode 100644
index 0000000000..3bff78dd29
--- /dev/null
+++ b/test/files/neg/t8700b.check
@@ -0,0 +1,11 @@
+Bar_2.scala:2: warning: match may not be exhaustive.
+It would fail on the following input: B
+  def bar1(foo: Foo_1) = foo match {
+                         ^
+Bar_2.scala:6: warning: match may not be exhaustive.
+It would fail on the following input: B
+  def bar2(foo: Baz_1) = foo match {
+                         ^
+error: No warnings can be incurred under -Xfatal-warnings.
+two warnings found
+one error found
diff --git a/test/files/neg/t8700b.flags b/test/files/neg/t8700b.flags
new file mode 100644
index 0000000000..85d8eb2ba2
--- /dev/null
+++ b/test/files/neg/t8700b.flags
@@ -0,0 +1 @@
+-Xfatal-warnings
diff --git a/test/files/neg/t8700b/Bar_2.scala b/test/files/neg/t8700b/Bar_2.scala
new file mode 100644
index 0000000000..97ba16df27
--- /dev/null
+++ b/test/files/neg/t8700b/Bar_2.scala
@@ -0,0 +1,9 @@
+object Bar {
+  def bar1(foo: Foo_1) = foo match {
+    case Foo_1.A => 1
+  }
+
+  def bar2(foo: Baz_1) = foo match {
+    case Baz_1.A => 1
+    }
+}
diff --git a/test/files/neg/t8700b/Baz_1.java b/test/files/neg/t8700b/Baz_1.java
new file mode 100644
index 0000000000..6a057c2c9c
--- /dev/null
+++ b/test/files/neg/t8700b/Baz_1.java
@@ -0,0 +1,11 @@
+public enum Baz_1 {
+    A {
+    	public void baz1() {}
+    },
+    B {
+        public void baz1() {}
+    };
+
+    public abstract void baz1();
+    public void baz2() {}
+}
diff --git a/test/files/neg/t8700b/Foo_1.java b/test/files/neg/t8700b/Foo_1.java
new file mode 100644
index 0000000000..22656bdedd
--- /dev/null
+++ b/test/files/neg/t8700b/Foo_1.java
@@ -0,0 +1,4 @@
+public enum Foo_1 {
+    A,
+    B
+}