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-rw-r--r--tests/src/com/android/inputmethod/latin/utils/Base64ReaderTests.java225
1 files changed, 225 insertions, 0 deletions
diff --git a/tests/src/com/android/inputmethod/latin/utils/Base64ReaderTests.java b/tests/src/com/android/inputmethod/latin/utils/Base64ReaderTests.java
new file mode 100644
index 000000000..b311f5d37
--- /dev/null
+++ b/tests/src/com/android/inputmethod/latin/utils/Base64ReaderTests.java
@@ -0,0 +1,225 @@
+/*
+ * Copyright (C) 2013 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.inputmethod.latin.utils;
+
+import android.test.AndroidTestCase;
+import android.test.suitebuilder.annotation.SmallTest;
+
+import java.io.EOFException;
+import java.io.IOException;
+import java.io.LineNumberReader;
+import java.io.StringReader;
+
+@SmallTest
+public class Base64ReaderTests extends AndroidTestCase {
+ private static final String EMPTY_STRING = "";
+ private static final String INCOMPLETE_CHAR1 = "Q";
+ // Encode 'A'.
+ private static final String INCOMPLETE_CHAR2 = "QQ";
+ // Encode 'A', 'B'
+ private static final String INCOMPLETE_CHAR3 = "QUI";
+ // Encode 'A', 'B', 'C'
+ private static final String COMPLETE_CHAR4 = "QUJD";
+ private static final String ALL_BYTE_PATTERN =
+ "AAECAwQFBgcICQoLDA0ODxAREhMUFRYXGBkaGxwdHh8gISIj\n"
+ + "JCUmJygpKissLS4vMDEyMzQ1Njc4OTo7PD0+P0BBQkNERUZH\n"
+ + "SElKS0xNTk9QUVJTVFVWV1hZWltcXV5fYGFiY2RlZmdoaWpr\n"
+ + "bG1ub3BxcnN0dXZ3eHl6e3x9fn+AgYKDhIWGh4iJiouMjY6P\n"
+ + "kJGSk5SVlpeYmZqbnJ2en6ChoqOkpaanqKmqq6ytrq+wsbKz\n"
+ + "tLW2t7i5uru8vb6/wMHCw8TFxsfIycrLzM3Oz9DR0tPU1dbX\n"
+ + "2Nna29zd3t/g4eLj5OXm5+jp6uvs7e7v8PHy8/T19vf4+fr7\n"
+ + "/P3+/w==";
+
+ public void test0CharInt8() {
+ final Base64Reader reader = new Base64Reader(
+ new LineNumberReader(new StringReader(EMPTY_STRING)));
+ try {
+ reader.readUint8();
+ fail("0 char");
+ } catch (final EOFException e) {
+ assertEquals("0 char", 0, reader.getByteCount());
+ } catch (final IOException e) {
+ fail("IOException: " + e);
+ }
+ }
+
+ public void test1CharInt8() {
+ final Base64Reader reader = new Base64Reader(
+ new LineNumberReader(new StringReader(INCOMPLETE_CHAR1)));
+ try {
+ reader.readUint8();
+ fail("1 char");
+ } catch (final EOFException e) {
+ assertEquals("1 char", 0, reader.getByteCount());
+ } catch (final IOException e) {
+ fail("IOException: " + e);
+ }
+ }
+
+ public void test2CharsInt8() {
+ final Base64Reader reader = new Base64Reader(
+ new LineNumberReader(new StringReader(INCOMPLETE_CHAR2)));
+ try {
+ final int v1 = reader.readUint8();
+ assertEquals("2 chars pos 0", 'A', v1);
+ reader.readUint8();
+ fail("2 chars");
+ } catch (final EOFException e) {
+ assertEquals("2 chars", 1, reader.getByteCount());
+ } catch (final IOException e) {
+ fail("IOException: " + e);
+ }
+ }
+
+ public void test3CharsInt8() {
+ final Base64Reader reader = new Base64Reader(
+ new LineNumberReader(new StringReader(INCOMPLETE_CHAR3)));
+ try {
+ final int v1 = reader.readUint8();
+ assertEquals("3 chars pos 0", 'A', v1);
+ final int v2 = reader.readUint8();
+ assertEquals("3 chars pos 1", 'B', v2);
+ reader.readUint8();
+ fail("3 chars");
+ } catch (final EOFException e) {
+ assertEquals("3 chars", 2, reader.getByteCount());
+ } catch (final IOException e) {
+ fail("IOException: " + e);
+ }
+ }
+
+ public void test4CharsInt8() {
+ final Base64Reader reader = new Base64Reader(
+ new LineNumberReader(new StringReader(COMPLETE_CHAR4)));
+ try {
+ final int v1 = reader.readUint8();
+ assertEquals("4 chars pos 0", 'A', v1);
+ final int v2 = reader.readUint8();
+ assertEquals("4 chars pos 1", 'B', v2);
+ final int v3 = reader.readUint8();
+ assertEquals("4 chars pos 2", 'C', v3);
+ reader.readUint8();
+ fail("4 chars");
+ } catch (final EOFException e) {
+ assertEquals("4 chars", 3, reader.getByteCount());
+ } catch (final IOException e) {
+ fail("IOException: " + e);
+ }
+ }
+
+ public void testAllBytePatternInt8() {
+ final Base64Reader reader = new Base64Reader(
+ new LineNumberReader(new StringReader(ALL_BYTE_PATTERN)));
+ try {
+ for (int i = 0; i <= 0xff; i++) {
+ final int v = reader.readUint8();
+ assertEquals("value: all byte pattern: pos " + i, i, v);
+ assertEquals("count: all byte pattern: pos " + i, i + 1, reader.getByteCount());
+ }
+ } catch (final EOFException e) {
+ assertEquals("all byte pattern", 256, reader.getByteCount());
+ } catch (final IOException e) {
+ fail("IOException: " + e);
+ }
+ }
+
+ public void test0CharInt16() {
+ final Base64Reader reader = new Base64Reader(
+ new LineNumberReader(new StringReader(EMPTY_STRING)));
+ try {
+ reader.readInt16();
+ fail("0 char");
+ } catch (final EOFException e) {
+ assertEquals("0 char", 0, reader.getByteCount());
+ } catch (final IOException e) {
+ fail("IOException: " + e);
+ }
+ }
+
+ public void test1CharInt16() {
+ final Base64Reader reader = new Base64Reader(
+ new LineNumberReader(new StringReader(INCOMPLETE_CHAR1)));
+ try {
+ reader.readInt16();
+ fail("1 char");
+ } catch (final EOFException e) {
+ assertEquals("1 char", 0, reader.getByteCount());
+ } catch (final IOException e) {
+ fail("IOException: " + e);
+ }
+ }
+
+ public void test2CharsInt16() {
+ final Base64Reader reader = new Base64Reader(
+ new LineNumberReader(new StringReader(INCOMPLETE_CHAR2)));
+ try {
+ reader.readInt16();
+ fail("2 chars");
+ } catch (final EOFException e) {
+ assertEquals("2 chars", 1, reader.getByteCount());
+ } catch (final IOException e) {
+ fail("IOException: " + e);
+ }
+ }
+
+ public void test3CharsInt16() {
+ final Base64Reader reader = new Base64Reader(
+ new LineNumberReader(new StringReader(INCOMPLETE_CHAR3)));
+ try {
+ final short v1 = reader.readInt16();
+ assertEquals("3 chars pos 0", 'A' << 8 | 'B', v1);
+ reader.readInt16();
+ fail("3 chars");
+ } catch (final EOFException e) {
+ assertEquals("3 chars", 2, reader.getByteCount());
+ } catch (final IOException e) {
+ fail("IOException: " + e);
+ }
+ }
+
+ public void test4CharsInt16() {
+ final Base64Reader reader = new Base64Reader(
+ new LineNumberReader(new StringReader(COMPLETE_CHAR4)));
+ try {
+ final short v1 = reader.readInt16();
+ assertEquals("4 chars pos 0", 'A' << 8 | 'B', v1);
+ reader.readInt16();
+ fail("4 chars");
+ } catch (final EOFException e) {
+ assertEquals("4 chars", 3, reader.getByteCount());
+ } catch (final IOException e) {
+ fail("IOException: " + e);
+ }
+ }
+
+ public void testAllBytePatternInt16() {
+ final Base64Reader reader = new Base64Reader(
+ new LineNumberReader(new StringReader(ALL_BYTE_PATTERN)));
+ try {
+ for (int i = 0; i <= 0xff; i += 2) {
+ final short v = reader.readInt16();
+ final short expected = (short)(i << 8 | (i + 1));
+ assertEquals("value: all byte pattern: pos " + i, expected, v);
+ assertEquals("count: all byte pattern: pos " + i, i + 2, reader.getByteCount());
+ }
+ } catch (final EOFException e) {
+ assertEquals("all byte pattern", 256, reader.getByteCount());
+ } catch (final IOException e) {
+ fail("IOException: " + e);
+ }
+ }
+}
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