1 files changed, 121 insertions, 0 deletions
diff --git a/tools/product_config/test/com/android/build/config/ErrorReporterTest.java b/tools/product_config/test/com/android/build/config/ErrorReporterTest.java
new file mode 100644
index 0000000000..b9b25b4071
--- /dev/null
+++ b/tools/product_config/test/com/android/build/config/ErrorReporterTest.java
@@ -0,0 +1,121 @@
+/*
+ * Copyright (C) 2020 The Android Open Source Project
+ *
+ * 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.android.build.config;
+
+import org.junit.Assert;
+import org.junit.Test;
+
+import java.util.HashSet;
+import java.util.List;
+
+public class ErrorReporterTest {
+    /**
+     * Test that errors can be recorded and retrieved.
+     */
+    @Test
+    public void testAdding() {
+        TestErrors errors = new TestErrors();
+
+        errors.ERROR.add(new Position("a", 12), "Errrororrrr");
+
+        Assert.assertTrue(errors.hadWarningOrError());
+        Assert.assertTrue(errors.hadError());
+
+        List<TestErrors.Entry> entries = errors.getEntries();
+        Assert.assertEquals(1, entries.size());
+
+        TestErrors.Entry entry = entries.get(0);
+        Assert.assertEquals(errors.ERROR, entry.getCategory());
+        Assert.assertEquals("a", entry.getPosition().getFile());
+        Assert.assertEquals(12, entry.getPosition().getLine());
+        Assert.assertEquals("Errrororrrr", entry.getMessage());
+
+        Assert.assertNotEquals("", errors.getErrorMessages());
+    }
+
+    /**
+     * Test that not adding an error doesn't record errors.
+     */
+    @Test
+    public void testNoError() {
+        TestErrors errors = new TestErrors();
+
+        Assert.assertFalse(errors.hadWarningOrError());
+        Assert.assertFalse(errors.hadError());
+        Assert.assertEquals("", errors.getErrorMessages());
+    }
+
+    /**
+     * Test that not adding a warning doesn't record errors.
+     */
+    @Test
+    public void testWarning() {
+        TestErrors errors = new TestErrors();
+
+        errors.WARNING.add("Waaaaarninggggg");
+
+        Assert.assertTrue(errors.hadWarningOrError());
+        Assert.assertFalse(errors.hadError());
+        Assert.assertNotEquals("", errors.getErrorMessages());
+    }
+
+    /**
+     * Test that hidden warnings don't report.
+     */
+    @Test
+    public void testHidden() {
+        TestErrors errors = new TestErrors();
+
+        errors.HIDDEN.add("Hidddeennn");
+
+        Assert.assertFalse(errors.hadWarningOrError());
+        Assert.assertFalse(errors.hadError());
+        Assert.assertEquals("", errors.getErrorMessages());
+    }
+
+    /**
+     * Test changing an error level.
+     */
+    @Test
+    public void testSetLevel() {
+        TestErrors errors = new TestErrors();
+        Assert.assertEquals(TestErrors.Level.ERROR, errors.ERROR.getLevel());
+
+        errors.ERROR.setLevel(TestErrors.Level.WARNING);
+
+        Assert.assertEquals(TestErrors.Level.WARNING, errors.ERROR.getLevel());
+    }
+
+    /**
+     * Test that changing a fixed error fails.
+     */
+    @Test
+    public void testSetLevelFails() {
+        TestErrors errors = new TestErrors();
+        Assert.assertEquals(TestErrors.Level.ERROR, errors.ERROR_FIXED.getLevel());
+
+        boolean exceptionThrown = false;
+        try {
+            errors.ERROR_FIXED.setLevel(TestErrors.Level.WARNING);
+        } catch (RuntimeException ex) {
+            exceptionThrown = true;
+        }
+
+        Assert.assertTrue(exceptionThrown);
+        Assert.assertEquals(TestErrors.Level.ERROR, errors.ERROR_FIXED.getLevel());
+    }
+}