Always use GB as the unit in Storage Settings.

Bug: 36901322 Test: Settings unit tests Change-Id: I08c711db6a271522942a01d1adf3e8e5223010f7
2017-04-19 11:37:02 -07:00
parent 0cdade8a78
commit 63a11c56de
8 changed files with 327 additions and 37 deletions
--- a/tests/unit/src/com/android/settings/utils/FileSizeFormatterTest.java
+++ b/tests/unit/src/com/android/settings/utils/FileSizeFormatterTest.java
@@ -0,0 +1,109 @@
+/*
+ * Copyright (C) 2017 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.settings.utils;
+
+import static com.android.settings.utils.FileSizeFormatter.GIGABYTE_IN_BYTES;
+import static com.android.settings.utils.FileSizeFormatter.MEGABYTE_IN_BYTES;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import android.content.Context;
+import android.support.test.InstrumentationRegistry;
+import android.support.test.filters.SmallTest;
+import android.support.test.runner.AndroidJUnit4;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+@SmallTest
+@RunWith(AndroidJUnit4.class)
+public class FileSizeFormatterTest {
+    private Context mContext;
+
+    @Before
+    public void setUp() throws Exception {
+        mContext = InstrumentationRegistry.getTargetContext();
+    }
+
+    @Test
+    public void formatFileSize_zero() throws Exception {
+        assertThat(
+                        FileSizeFormatter.formatFileSize(
+                                mContext,
+                                0 /* size */,
+                                com.android.internal.R.string.gigabyteShort,
+                                GIGABYTE_IN_BYTES))
+                .isEqualTo("0.00 GB");
+    }
+
+    @Test
+    public void formatFileSize_smallSize() throws Exception {
+        assertThat(
+                        FileSizeFormatter.formatFileSize(
+                                mContext,
+                                MEGABYTE_IN_BYTES * 11 /* size */,
+                                com.android.internal.R.string.gigabyteShort,
+                                GIGABYTE_IN_BYTES))
+                .isEqualTo("0.01 GB");
+    }
+
+    @Test
+    public void formatFileSize_lessThanOneSize() throws Exception {
+        assertThat(
+                        FileSizeFormatter.formatFileSize(
+                                mContext,
+                                MEGABYTE_IN_BYTES * 155 /* size */,
+                                com.android.internal.R.string.gigabyteShort,
+                                GIGABYTE_IN_BYTES))
+                .isEqualTo("0.16 GB");
+    }
+
+    @Test
+    public void formatFileSize_greaterThanOneSize() throws Exception {
+        assertThat(
+                        FileSizeFormatter.formatFileSize(
+                                mContext,
+                                MEGABYTE_IN_BYTES * 1551 /* size */,
+                                com.android.internal.R.string.gigabyteShort,
+                                GIGABYTE_IN_BYTES))
+                .isEqualTo("1.6 GB");
+    }
+
+    @Test
+    public void formatFileSize_greaterThanTen() throws Exception {
+        // Should round down due to truncation
+        assertThat(
+                        FileSizeFormatter.formatFileSize(
+                                mContext,
+                                GIGABYTE_IN_BYTES * 15 + MEGABYTE_IN_BYTES * 50 /* size */,
+                                com.android.internal.R.string.gigabyteShort,
+                                GIGABYTE_IN_BYTES))
+                .isEqualTo("15 GB");
+    }
+
+    @Test
+    public void formatFileSize_handlesNegativeFileSizes() throws Exception {
+        assertThat(
+                        FileSizeFormatter.formatFileSize(
+                                mContext,
+                                MEGABYTE_IN_BYTES * -155 /* size */,
+                                com.android.internal.R.string.gigabyteShort,
+                                GIGABYTE_IN_BYTES))
+                .isEqualTo("-0.16 GB");
+    }
+}