base: Make TimeDurationFormat* report failures.

base/i18n/time_formatting_unittest.cc

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "base/i18n/time_formatting.h"
 
 #include <memory>
 
 #include "base/i18n/rtl.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/test/icu_test_util.h"
 #include "base/time/time.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "third_party/icu/source/common/unicode/uversion.h"
 #include "third_party/icu/source/i18n/unicode/calendar.h"
 #include "third_party/icu/source/i18n/unicode/timezone.h"
 #include "third_party/icu/source/i18n/unicode/tzfmt.h"
 
 namespace base {
 namespace {
 
 const Time::Exploded kTestDateTimeExploded = {
   2011, 4, 6, 30, // Sat, Apr 30, 2011
   15, 42, 7, 0    // 15:42:07.000
 };
 
 // Returns difference between the local time and GMT formatted as string.
 // This function gets |time| because the difference depends on time,
 // see https://en.wikipedia.org/wiki/Daylight_saving_time for details.
-base::string16 GetShortTimeZone(const Time& time) {
+string16 GetShortTimeZone(const Time& time) {
   UErrorCode status = U_ZERO_ERROR;
   std::unique_ptr<icu::TimeZone> zone(icu::TimeZone::createDefault());
   std::unique_ptr<icu::TimeZoneFormat> zone_formatter(
       icu::TimeZoneFormat::createInstance(icu::Locale::getDefault(), status));
   EXPECT_TRUE(U_SUCCESS(status));
   icu::UnicodeString name;
   zone_formatter->format(UTZFMT_STYLE_SPECIFIC_SHORT, *zone,
                          static_cast<UDate>(time.ToDoubleT() * 1000),
                          name, nullptr);
-  return base::string16(name.getBuffer(), name.length());
+  return string16(name.getBuffer(), name.length());
+}
+
+// Calls TimeDurationFormat() with |delta| and |width| and returns the resulting
+// string. On failure, adds a failed expectation and returns an empty string.
+string16 TimeDurationFormatString(const TimeDelta& delta,
+                                  DurationFormatWidth width) {
+  string16 str;
+  EXPECT_TRUE(TimeDurationFormat(delta, width, &str))
+      << "Failed to format " << delta.ToInternalValue() << " with width "
+      << width;
+  return str;
+}
+
+// Calls TimeDurationFormatWithSeconds() with |delta| and |width| and returns
+// the resulting string. On failure, adds a failed expectation and returns an
+// empty string.
+string16 TimeDurationFormatWithSecondsString(const TimeDelta& delta,
+                                             DurationFormatWidth width) {
+  string16 str;
+  EXPECT_TRUE(TimeDurationFormatWithSeconds(delta, width, &str))
+      << "Failed to format " << delta.ToInternalValue() << " with width "
+      << width;
+  return str;
 }
 
 #if defined(OS_ANDROID)
 #define MAYBE_TimeFormatTimeOfDayDefault12h \
   DISABLED_TimeFormatTimeOfDayDefault12h
 #else
 #define MAYBE_TimeFormatTimeOfDayDefault12h TimeFormatTimeOfDayDefault12h
 #endif
 TEST(TimeFormattingTest, MAYBE_TimeFormatTimeOfDayDefault12h) {
   // Test for a locale defaulted to 12h clock.
@@ skipping 196 matching lines @@
             TimeFormatWithPattern(time, "MMMMdjmmss"));
 }
 
 TEST(TimeFormattingTest, TimeDurationFormat) {
   test::ScopedRestoreICUDefaultLocale restore_locale;
   TimeDelta delta = TimeDelta::FromMinutes(15 * 60 + 42);
 
   // US English.
   i18n::SetICUDefaultLocale("en_US");
   EXPECT_EQ(ASCIIToUTF16("15 hours, 42 minutes"),
-            TimeDurationFormat(delta, DURATION_WIDTH_WIDE));
+            TimeDurationFormatString(delta, DURATION_WIDTH_WIDE));
   EXPECT_EQ(ASCIIToUTF16("15 hr, 42 min"),
-            TimeDurationFormat(delta, DURATION_WIDTH_SHORT));
+            TimeDurationFormatString(delta, DURATION_WIDTH_SHORT));
   EXPECT_EQ(ASCIIToUTF16("15h 42m"),
-            TimeDurationFormat(delta, DURATION_WIDTH_NARROW));
+            TimeDurationFormatString(delta, DURATION_WIDTH_NARROW));
   EXPECT_EQ(ASCIIToUTF16("15:42"),
-            TimeDurationFormat(delta, DURATION_WIDTH_NUMERIC));
+            TimeDurationFormatString(delta, DURATION_WIDTH_NUMERIC));
 
   // Danish, with Latin alphabet but different abbreviations and punctuation.
   i18n::SetICUDefaultLocale("da");
   EXPECT_EQ(ASCIIToUTF16("15 timer og 42 minutter"),
-            TimeDurationFormat(delta, DURATION_WIDTH_WIDE));
+            TimeDurationFormatString(delta, DURATION_WIDTH_WIDE));
   EXPECT_EQ(ASCIIToUTF16("15 t og 42 min."),
-            TimeDurationFormat(delta, DURATION_WIDTH_SHORT));
+            TimeDurationFormatString(delta, DURATION_WIDTH_SHORT));
   EXPECT_EQ(ASCIIToUTF16("15 t og 42 min"),
-            TimeDurationFormat(delta, DURATION_WIDTH_NARROW));
+            TimeDurationFormatString(delta, DURATION_WIDTH_NARROW));
   EXPECT_EQ(ASCIIToUTF16("15.42"),
-            TimeDurationFormat(delta, DURATION_WIDTH_NUMERIC));
+            TimeDurationFormatString(delta, DURATION_WIDTH_NUMERIC));
 
   // Persian, with non-Arabic numbers.
   i18n::SetICUDefaultLocale("fa");
   string16 fa_wide = WideToUTF16(
       L"\x6f1\x6f5\x20\x633\x627\x639\x62a\x20\x648\x20\x6f4\x6f2\x20\x62f\x642"
       L"\x6cc\x642\x647");
   string16 fa_short = WideToUTF16(
       L"\x6f1\x6f5\x20\x633\x627\x639\x62a\x60c\x200f\x20\x6f4\x6f2\x20\x62f"
       L"\x642\x6cc\x642\x647");
   string16 fa_narrow = WideToUTF16(
       L"\x6f1\x6f5\x20\x633\x627\x639\x62a\x20\x6f4\x6f2\x20\x62f\x642\x6cc"
       L"\x642\x647");
   string16 fa_numeric = WideToUTF16(L"\x6f1\x6f5\x3a\x6f4\x6f2");
-  EXPECT_EQ(fa_wide, TimeDurationFormat(delta, DURATION_WIDTH_WIDE));
-  EXPECT_EQ(fa_short, TimeDurationFormat(delta, DURATION_WIDTH_SHORT));
-  EXPECT_EQ(fa_narrow, TimeDurationFormat(delta, DURATION_WIDTH_NARROW));
-  EXPECT_EQ(fa_numeric, TimeDurationFormat(delta, DURATION_WIDTH_NUMERIC));
+  EXPECT_EQ(fa_wide, TimeDurationFormatString(delta, DURATION_WIDTH_WIDE));
+  EXPECT_EQ(fa_short, TimeDurationFormatString(delta, DURATION_WIDTH_SHORT));
+  EXPECT_EQ(fa_narrow, TimeDurationFormatString(delta, DURATION_WIDTH_NARROW));
+  EXPECT_EQ(fa_numeric,
+            TimeDurationFormatString(delta, DURATION_WIDTH_NUMERIC));
 }
 
 TEST(TimeFormattingTest, TimeDurationFormatWithSeconds) {
   test::ScopedRestoreICUDefaultLocale restore_locale;
 
   // US English.
   i18n::SetICUDefaultLocale("en_US");
 
   // Test different formats.
   TimeDelta delta = TimeDelta::FromSeconds(15 * 3600 + 42 * 60 + 30);
   EXPECT_EQ(ASCIIToUTF16("15 hours, 42 minutes, 30 seconds"),
-            TimeDurationFormatWithSeconds(delta, DURATION_WIDTH_WIDE));
+            TimeDurationFormatWithSecondsString(delta, DURATION_WIDTH_WIDE));
   EXPECT_EQ(ASCIIToUTF16("15 hr, 42 min, 30 sec"),
-            TimeDurationFormatWithSeconds(delta, DURATION_WIDTH_SHORT));
+            TimeDurationFormatWithSecondsString(delta, DURATION_WIDTH_SHORT));
   EXPECT_EQ(ASCIIToUTF16("15h 42m 30s"),
-            TimeDurationFormatWithSeconds(delta, DURATION_WIDTH_NARROW));
+            TimeDurationFormatWithSecondsString(delta, DURATION_WIDTH_NARROW));
   EXPECT_EQ(ASCIIToUTF16("15:42:30"),
-            TimeDurationFormatWithSeconds(delta, DURATION_WIDTH_NUMERIC));
+            TimeDurationFormatWithSecondsString(delta, DURATION_WIDTH_NUMERIC));
 
   // Test edge case when hour >= 100.
   delta = TimeDelta::FromSeconds(125 * 3600 + 42 * 60 + 30);
   EXPECT_EQ(ASCIIToUTF16("125 hours, 42 minutes, 30 seconds"),
-            TimeDurationFormatWithSeconds(delta, DURATION_WIDTH_WIDE));
+            TimeDurationFormatWithSecondsString(delta, DURATION_WIDTH_WIDE));
   EXPECT_EQ(ASCIIToUTF16("125 hr, 42 min, 30 sec"),
-            TimeDurationFormatWithSeconds(delta, DURATION_WIDTH_SHORT));
+            TimeDurationFormatWithSecondsString(delta, DURATION_WIDTH_SHORT));
   EXPECT_EQ(ASCIIToUTF16("125h 42m 30s"),
-            TimeDurationFormatWithSeconds(delta, DURATION_WIDTH_NARROW));
+            TimeDurationFormatWithSecondsString(delta, DURATION_WIDTH_NARROW));
 
   // Test edge case when minute = 0.
   delta = TimeDelta::FromSeconds(15 * 3600 + 0 * 60 + 30);
   EXPECT_EQ(ASCIIToUTF16("15 hours, 0 minutes, 30 seconds"),
-            TimeDurationFormatWithSeconds(delta, DURATION_WIDTH_WIDE));
+            TimeDurationFormatWithSecondsString(delta, DURATION_WIDTH_WIDE));
   EXPECT_EQ(ASCIIToUTF16("15 hr, 0 min, 30 sec"),
-            TimeDurationFormatWithSeconds(delta, DURATION_WIDTH_SHORT));
+            TimeDurationFormatWithSecondsString(delta, DURATION_WIDTH_SHORT));
   EXPECT_EQ(ASCIIToUTF16("15h 0m 30s"),
-            TimeDurationFormatWithSeconds(delta, DURATION_WIDTH_NARROW));
+            TimeDurationFormatWithSecondsString(delta, DURATION_WIDTH_NARROW));
   EXPECT_EQ(ASCIIToUTF16("15:00:30"),
-            TimeDurationFormatWithSeconds(delta, DURATION_WIDTH_NUMERIC));
+            TimeDurationFormatWithSecondsString(delta, DURATION_WIDTH_NUMERIC));
 
   // Test edge case when second = 0.
   delta = TimeDelta::FromSeconds(15 * 3600 + 42 * 60 + 0);
   EXPECT_EQ(ASCIIToUTF16("15 hours, 42 minutes, 0 seconds"),
-            TimeDurationFormatWithSeconds(delta, DURATION_WIDTH_WIDE));
+            TimeDurationFormatWithSecondsString(delta, DURATION_WIDTH_WIDE));
   EXPECT_EQ(ASCIIToUTF16("15 hr, 42 min, 0 sec"),
-            TimeDurationFormatWithSeconds(delta, DURATION_WIDTH_SHORT));
+            TimeDurationFormatWithSecondsString(delta, DURATION_WIDTH_SHORT));
   EXPECT_EQ(ASCIIToUTF16("15h 42m 0s"),
-            TimeDurationFormatWithSeconds(delta, DURATION_WIDTH_NARROW));
+            TimeDurationFormatWithSecondsString(delta, DURATION_WIDTH_NARROW));
   EXPECT_EQ(ASCIIToUTF16("15:42:00"),
-            TimeDurationFormatWithSeconds(delta, DURATION_WIDTH_NUMERIC));
+            TimeDurationFormatWithSecondsString(delta, DURATION_WIDTH_NUMERIC));
 }
 
 TEST(TimeFormattingTest, TimeIntervalFormat) {
   test::ScopedRestoreICUDefaultLocale restore_locale;
   i18n::SetICUDefaultLocale("en_US");
 
   const Time::Exploded kTestIntervalEndTimeExploded = {
       2011, 5,  6, 28,  // Sat, Apr 30, 2012
       15,   42, 7, 0    // 15:42:07.000
   };
 
   Time begin_time;
   EXPECT_TRUE(Time::FromLocalExploded(kTestDateTimeExploded, &begin_time));
   Time end_time;
   EXPECT_TRUE(Time::FromLocalExploded(kTestIntervalEndTimeExploded, &end_time));
 
   EXPECT_EQ(
       WideToUTF16(L"Saturday, April 30 – Saturday, May 28"),
       DateIntervalFormat(begin_time, end_time, DATE_FORMAT_MONTH_WEEKDAY_DAY));
 }
 
 }  // namespace
 }  // namespace base