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diff --git a/tools/aapt/tests/Pseudolocales_test.cpp b/tools/aapt/tests/Pseudolocales_test.cpp
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+++ b/tools/aapt/tests/Pseudolocales_test.cpp
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+/*
+ * Copyright (C) 2014 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.
+ */
+
+#include <androidfw/ResourceTypes.h>
+#include <utils/String8.h>
+#include <gtest/gtest.h>
+
+#include "Bundle.h"
+#include "pseudolocalize.h"
+
+using android::String8;
+
+// In this context, 'Axis' represents a particular field in the configuration,
+// such as language or density.
+
+static void simple_helper(const char* input, const char* expected, PseudolocalizationMethod method) {
+    Pseudolocalizer pseudo(method);
+    String16 result = pseudo.start() + pseudo.text(String16(String8(input))) + pseudo.end();
+    //std::cout << String8(result).string() << std::endl;
+    ASSERT_EQ(String8(expected), String8(result));
+}
+
+static void compound_helper(const char* in1, const char* in2, const char *in3,
+                            const char* expected, PseudolocalizationMethod method) {
+    Pseudolocalizer pseudo(method);
+    String16 result = pseudo.start() + \
+                      pseudo.text(String16(String8(in1))) + \
+                      pseudo.text(String16(String8(in2))) + \
+                      pseudo.text(String16(String8(in3))) + \
+                      pseudo.end();
+    ASSERT_EQ(String8(expected), String8(result));
+}
+
+TEST(Pseudolocales, NoPseudolocalization) {
+  simple_helper("", "", NO_PSEUDOLOCALIZATION);
+  simple_helper("Hello, world", "Hello, world", NO_PSEUDOLOCALIZATION);
+
+  compound_helper("Hello,", " world", "",
+                  "Hello, world", NO_PSEUDOLOCALIZATION);
+}
+
+TEST(Pseudolocales, PlaintextAccent) {
+  simple_helper("", "[]", PSEUDO_ACCENTED);
+  simple_helper("Hello, world",
+                "[Ĥéļļö, ŵöŕļð one two]", PSEUDO_ACCENTED);
+
+  simple_helper("Hello, %1d",
+                "[Ĥéļļö, »%1d« one two]", PSEUDO_ACCENTED);
+
+  simple_helper("Battery %1d%%",
+                "[βåţţéŕý »%1d«%% one two]", PSEUDO_ACCENTED);
+
+  compound_helper("", "", "", "[]", PSEUDO_ACCENTED);
+  compound_helper("Hello,", " world", "",
+                  "[Ĥéļļö, ŵöŕļð one two]", PSEUDO_ACCENTED);
+}
+
+TEST(Pseudolocales, PlaintextBidi) {
+  simple_helper("", "", PSEUDO_BIDI);
+  simple_helper("word",
+                "\xe2\x80\x8f\xE2\x80\xaeword\xE2\x80\xac\xe2\x80\x8f",
+                PSEUDO_BIDI);
+  simple_helper("  word  ",
+                "  \xe2\x80\x8f\xE2\x80\xaeword\xE2\x80\xac\xe2\x80\x8f  ",
+                PSEUDO_BIDI);
+  simple_helper("  word  ",
+                "  \xe2\x80\x8f\xE2\x80\xaeword\xE2\x80\xac\xe2\x80\x8f  ",
+                PSEUDO_BIDI);
+  simple_helper("hello\n  world\n",
+                "\xe2\x80\x8f\xE2\x80\xaehello\xE2\x80\xac\xe2\x80\x8f\n" \
+                "  \xe2\x80\x8f\xE2\x80\xaeworld\xE2\x80\xac\xe2\x80\x8f\n",
+                PSEUDO_BIDI);
+  compound_helper("hello", "\n ", " world\n",
+                "\xe2\x80\x8f\xE2\x80\xaehello\xE2\x80\xac\xe2\x80\x8f\n" \
+                "  \xe2\x80\x8f\xE2\x80\xaeworld\xE2\x80\xac\xe2\x80\x8f\n",
+                PSEUDO_BIDI);
+}
+
+TEST(Pseudolocales, SimpleICU) {
+  // Single-fragment messages
+  simple_helper("{placeholder}", "[»{placeholder}«]", PSEUDO_ACCENTED);
+  simple_helper("{USER} is offline",
+              "[»{USER}« îš öƒƒļîñé one two]", PSEUDO_ACCENTED);
+  simple_helper("Copy from {path1} to {path2}",
+              "[Çöþý ƒŕöḿ »{path1}« ţö »{path2}« one two three]", PSEUDO_ACCENTED);
+  simple_helper("Today is {1,date} {1,time}",
+              "[Ţöðåý îš »{1,date}« »{1,time}« one two]", PSEUDO_ACCENTED);
+
+  // Multi-fragment messages
+  compound_helper("{USER}", " ", "is offline",
+                  "[»{USER}« îš öƒƒļîñé one two]",
+                  PSEUDO_ACCENTED);
+  compound_helper("Copy from ", "{path1}", " to {path2}",
+                  "[Çöþý ƒŕöḿ »{path1}« ţö »{path2}« one two three]",
+                  PSEUDO_ACCENTED);
+}
+
+TEST(Pseudolocales, ICUBidi) {
+  // Single-fragment messages
+  simple_helper("{placeholder}",
+                "\xe2\x80\x8f\xE2\x80\xae{placeholder}\xE2\x80\xac\xe2\x80\x8f",
+                PSEUDO_BIDI);
+  simple_helper(
+      "{COUNT, plural, one {one} other {other}}",
+      "{COUNT, plural, " \
+          "one {\xe2\x80\x8f\xE2\x80\xaeone\xE2\x80\xac\xe2\x80\x8f} " \
+        "other {\xe2\x80\x8f\xE2\x80\xaeother\xE2\x80\xac\xe2\x80\x8f}}",
+      PSEUDO_BIDI
+  );
+}
+
+TEST(Pseudolocales, Escaping) {
+  // Single-fragment messages
+  simple_helper("'{USER'} is offline",
+                "['{ÛŠÉŔ'} îš öƒƒļîñé one two three]", PSEUDO_ACCENTED);
+
+  // Multi-fragment messages
+  compound_helper("'{USER}", " ", "''is offline",
+                  "['{ÛŠÉŔ} ''îš öƒƒļîñé one two three]", PSEUDO_ACCENTED);
+}
+
+TEST(Pseudolocales, PluralsAndSelects) {
+  simple_helper(
+      "{COUNT, plural, one {Delete a file} other {Delete {COUNT} files}}",
+      "[{COUNT, plural, one {Ðéļéţé å ƒîļé one two} " \
+                     "other {Ðéļéţé »{COUNT}« ƒîļéš one two}}]",
+      PSEUDO_ACCENTED
+  );
+  simple_helper(
+      "Distance is {COUNT, plural, one {# mile} other {# miles}}",
+      "[Ðîšţåñçé îš {COUNT, plural, one {# ḿîļé one two} " \
+                                 "other {# ḿîļéš one two}}]",
+      PSEUDO_ACCENTED
+  );
+  simple_helper(
+      "{1, select, female {{1} added you} " \
+        "male {{1} added you} other {{1} added you}}",
+      "[{1, select, female {»{1}« åððéð ýöû one two} " \
+        "male {»{1}« åððéð ýöû one two} other {»{1}« åððéð ýöû one two}}]",
+      PSEUDO_ACCENTED
+  );
+
+  compound_helper(
+      "{COUNT, plural, one {Delete a file} " \
+        "other {Delete ", "{COUNT}", " files}}",
+      "[{COUNT, plural, one {Ðéļéţé å ƒîļé one two} " \
+        "other {Ðéļéţé »{COUNT}« ƒîļéš one two}}]",
+      PSEUDO_ACCENTED
+  );
+}
+
+TEST(Pseudolocales, NestedICU) {
+  simple_helper(
+      "{person, select, " \
+        "female {" \
+          "{num_circles, plural," \
+            "=0{{person} didn't add you to any of her circles.}" \
+            "=1{{person} added you to one of her circles.}" \
+            "other{{person} added you to her # circles.}}}" \
+        "male {" \
+          "{num_circles, plural," \
+            "=0{{person} didn't add you to any of his circles.}" \
+            "=1{{person} added you to one of his circles.}" \
+            "other{{person} added you to his # circles.}}}" \
+        "other {" \
+          "{num_circles, plural," \
+            "=0{{person} didn't add you to any of their circles.}" \
+            "=1{{person} added you to one of their circles.}" \
+            "other{{person} added you to their # circles.}}}}",
+      "[{person, select, " \
+        "female {" \
+          "{num_circles, plural," \
+            "=0{»{person}« ðîðñ'ţ åðð ýöû ţö åñý öƒ ĥéŕ çîŕçļéš." \
+              " one two three four five}" \
+            "=1{»{person}« åððéð ýöû ţö öñé öƒ ĥéŕ çîŕçļéš." \
+              " one two three four}" \
+            "other{»{person}« åððéð ýöû ţö ĥéŕ # çîŕçļéš." \
+              " one two three four}}}" \
+        "male {" \
+          "{num_circles, plural," \
+            "=0{»{person}« ðîðñ'ţ åðð ýöû ţö åñý öƒ ĥîš çîŕçļéš." \
+              " one two three four five}" \
+            "=1{»{person}« åððéð ýöû ţö öñé öƒ ĥîš çîŕçļéš." \
+              " one two three four}" \
+            "other{»{person}« åððéð ýöû ţö ĥîš # çîŕçļéš." \
+              " one two three four}}}" \
+        "other {{num_circles, plural," \
+          "=0{»{person}« ðîðñ'ţ åðð ýöû ţö åñý öƒ ţĥéîŕ çîŕçļéš." \
+            " one two three four five}" \
+          "=1{»{person}« åððéð ýöû ţö öñé öƒ ţĥéîŕ çîŕçļéš." \
+            " one two three four}" \
+          "other{»{person}« åððéð ýöû ţö ţĥéîŕ # çîŕçļéš." \
+            " one two three four}}}}]",
+      PSEUDO_ACCENTED
+  );
+}
+
+TEST(Pseudolocales, RedefineMethod) {
+  Pseudolocalizer pseudo(PSEUDO_ACCENTED);
+  String16 result = pseudo.text(String16(String8("Hello, ")));
+  pseudo.setMethod(NO_PSEUDOLOCALIZATION);
+  result.append(pseudo.text(String16(String8("world!"))));
+  ASSERT_EQ(String8("Ĥéļļö, world!"), String8(result));
+}