| // Copyright 2023 The Chromium Authors |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| package org.chromium.base.test.metrics; |
| |
| import androidx.annotation.IntDef; |
| |
| import org.junit.Assert; |
| |
| import org.chromium.base.library_loader.LibraryLoader; |
| import org.chromium.base.metrics.RecordHistogram; |
| import org.chromium.base.test.util.HistogramWatcher; |
| |
| /** |
| * Tests the {@link HistogramWatcher} test util in the following contexts: |
| * - Before native load |
| * - Transitioning from CachingUmaRecorder (before native load) to NativeUmaRecorder (after). |
| * - After native load |
| * |
| * Tests are split into multiple classes so they can be batched by scenario. |
| */ |
| public class HistogramWatcherTestBase { |
| protected static final String TIMES_HISTOGRAM_1 = "TimesHistogram1"; |
| protected static final String BOOLEAN_HISTOGRAM = "BooleanHistogram"; |
| protected static final String EXACT_LINEAR_HISTOGRAM_1 = "ExactLinearHistogram"; // max 10 |
| protected static final String EXACT_LINEAR_HISTOGRAM_2 = "ExactLinearHistogram2"; // max 20 |
| protected static final String EXACT_LINEAR_HISTOGRAM_3 = "ExactLinearHistogram3"; // max 30 |
| protected static final String ENUM_HISTOGRAM = "EnumHistogram"; // max 10 |
| |
| @IntDef({ |
| TestScenario.WITHOUT_NATIVE, |
| TestScenario.TRANSITION_TO_NATIVE, |
| TestScenario.WITH_NATIVE |
| }) |
| protected @interface TestScenario { |
| int WITHOUT_NATIVE = 0; |
| int TRANSITION_TO_NATIVE = 1; |
| int WITH_NATIVE = 2; |
| } |
| |
| protected HistogramWatcher mWatcher; |
| |
| protected void doTestSingleRecordMissing_failure(@TestScenario int scenario) { |
| // Arrange |
| maybeLoadNativeFirst(scenario); |
| mWatcher = HistogramWatcher.newSingleRecordWatcher(TIMES_HISTOGRAM_1, 6000); |
| |
| // Act |
| maybeLoadNativeAfterRecord(scenario); |
| |
| // Assert |
| try { |
| mWatcher.assertExpected(); |
| } catch (AssertionError e) { |
| assertContains(TIMES_HISTOGRAM_1, e.getMessage()); |
| assertContains("1 record(s) expected: [6000]", e.getMessage()); |
| assertContains("0 record(s) seen: []", e.getMessage()); |
| return; |
| } |
| Assert.fail("Expected AssertionError"); |
| } |
| |
| protected void doTestFourTimesHistograms_success(@TestScenario int scenario) { |
| // Arrange |
| maybeLoadNativeFirst(scenario); |
| mWatcher = |
| HistogramWatcher.newBuilder() |
| .expectIntRecord(TIMES_HISTOGRAM_1, 6000) |
| .expectIntRecord(TIMES_HISTOGRAM_1, 7000) |
| .expectIntRecordTimes(TIMES_HISTOGRAM_1, 8000, 2) |
| .build(); |
| |
| // Act |
| RecordHistogram.recordTimesHistogram(TIMES_HISTOGRAM_1, 6000); |
| RecordHistogram.recordTimesHistogram(TIMES_HISTOGRAM_1, 7000); |
| RecordHistogram.recordTimesHistogram(TIMES_HISTOGRAM_1, 8000); |
| RecordHistogram.recordTimesHistogram(TIMES_HISTOGRAM_1, 8000); |
| maybeLoadNativeAfterRecord(scenario); |
| |
| // Assert |
| mWatcher.assertExpected(); |
| } |
| |
| protected void doTestExtraRecord_failure(@TestScenario int scenario) { |
| // Arrange |
| maybeLoadNativeFirst(scenario); |
| mWatcher = |
| HistogramWatcher.newBuilder() |
| .expectIntRecord(TIMES_HISTOGRAM_1, 6000) |
| .expectIntRecord(TIMES_HISTOGRAM_1, 7000) |
| .expectIntRecordTimes(TIMES_HISTOGRAM_1, 8000, 2) |
| .build(); |
| |
| // Act |
| RecordHistogram.recordTimesHistogram(TIMES_HISTOGRAM_1, 6000); |
| RecordHistogram.recordTimesHistogram(TIMES_HISTOGRAM_1, 7000); |
| RecordHistogram.recordTimesHistogram(TIMES_HISTOGRAM_1, 8000); |
| RecordHistogram.recordTimesHistogram(TIMES_HISTOGRAM_1, 8000); |
| // Extra record that should break the test |
| RecordHistogram.recordTimesHistogram(TIMES_HISTOGRAM_1, 8000); |
| maybeLoadNativeAfterRecord(scenario); |
| |
| // Assert |
| try { |
| mWatcher.assertExpected(); |
| } catch (AssertionError e) { |
| assertContains(TIMES_HISTOGRAM_1, e.getMessage()); |
| assertContains("4 record(s) expected: [6000, 7000, 8000 (2 times)]", e.getMessage()); |
| // Exact histogram buckets can be arbitrary |
| assertContains("5 record(s) seen: [", e.getMessage()); |
| return; |
| } |
| Assert.fail("Expected AssertionError"); |
| } |
| |
| protected void doTestExtraRecordAllowed_success(@TestScenario int scenario) { |
| // Arrange |
| maybeLoadNativeFirst(scenario); |
| mWatcher = |
| HistogramWatcher.newBuilder() |
| .expectIntRecord(ENUM_HISTOGRAM, 6) |
| .expectIntRecord(ENUM_HISTOGRAM, 7) |
| .expectIntRecordTimes(ENUM_HISTOGRAM, 8, 2) |
| .allowExtraRecordsForHistogramsAbove() |
| .build(); |
| |
| // Act |
| RecordHistogram.recordEnumeratedHistogram(ENUM_HISTOGRAM, 6, 10); |
| RecordHistogram.recordEnumeratedHistogram(ENUM_HISTOGRAM, 7, 10); |
| RecordHistogram.recordEnumeratedHistogram(ENUM_HISTOGRAM, 8, 10); |
| RecordHistogram.recordEnumeratedHistogram(ENUM_HISTOGRAM, 8, 10); |
| // Extra record that should not break the test |
| RecordHistogram.recordEnumeratedHistogram(ENUM_HISTOGRAM, 8, 10); |
| maybeLoadNativeAfterRecord(scenario); |
| |
| // Assert |
| mWatcher.assertExpected(); |
| } |
| |
| protected void doTestExtraRecordAllowed_failure(@TestScenario int scenario) { |
| // Arrange |
| maybeLoadNativeFirst(scenario); |
| mWatcher = |
| HistogramWatcher.newBuilder() |
| .expectIntRecord(ENUM_HISTOGRAM, 6) |
| .expectIntRecord(ENUM_HISTOGRAM, 7) |
| .expectIntRecordTimes(ENUM_HISTOGRAM, 8, 2) |
| .allowExtraRecordsForHistogramsAbove() |
| .build(); |
| |
| // Act |
| RecordHistogram.recordEnumeratedHistogram(ENUM_HISTOGRAM, 6, 10); |
| RecordHistogram.recordEnumeratedHistogram(ENUM_HISTOGRAM, 7, 10); |
| RecordHistogram.recordEnumeratedHistogram(ENUM_HISTOGRAM, 8, 10); |
| RecordHistogram.recordEnumeratedHistogram(ENUM_HISTOGRAM, 9, 10); |
| maybeLoadNativeAfterRecord(scenario); |
| |
| // Assert |
| try { |
| mWatcher.assertExpected(); |
| } catch (AssertionError e) { |
| assertContains(ENUM_HISTOGRAM, e.getMessage()); |
| assertContains("4 record(s) expected: [6, 7, 8 (2 times)]", e.getMessage()); |
| // Exact histogram buckets can be arbitrary |
| assertContains("4 record(s) seen: [6, 7, 8, 9]", e.getMessage()); |
| return; |
| } |
| Assert.fail("Expected AssertionError"); |
| } |
| |
| protected void doTestExtraRecordAllowedAny_success(@TestScenario int scenario) { |
| // Arrange |
| maybeLoadNativeFirst(scenario); |
| mWatcher = |
| HistogramWatcher.newBuilder() |
| .expectAnyRecordTimes(BOOLEAN_HISTOGRAM, 3) |
| .allowExtraRecordsForHistogramsAbove() |
| .build(); |
| |
| // Act |
| RecordHistogram.recordBooleanHistogram(BOOLEAN_HISTOGRAM, false); |
| RecordHistogram.recordBooleanHistogram(BOOLEAN_HISTOGRAM, false); |
| RecordHistogram.recordBooleanHistogram(BOOLEAN_HISTOGRAM, true); |
| RecordHistogram.recordBooleanHistogram(BOOLEAN_HISTOGRAM, true); |
| maybeLoadNativeAfterRecord(scenario); |
| |
| // Assert |
| mWatcher.assertExpected(); |
| } |
| |
| protected void doTestExtraRecordAllowedAny_failure(@TestScenario int scenario) { |
| // Arrange |
| maybeLoadNativeFirst(scenario); |
| mWatcher = |
| HistogramWatcher.newBuilder() |
| .expectAnyRecordTimes(BOOLEAN_HISTOGRAM, 3) |
| .allowExtraRecordsForHistogramsAbove() |
| .build(); |
| |
| // Act |
| RecordHistogram.recordBooleanHistogram(BOOLEAN_HISTOGRAM, false); |
| RecordHistogram.recordBooleanHistogram(BOOLEAN_HISTOGRAM, false); |
| maybeLoadNativeAfterRecord(scenario); |
| |
| // Assert |
| try { |
| mWatcher.assertExpected(); |
| } catch (AssertionError e) { |
| assertContains(BOOLEAN_HISTOGRAM, e.getMessage()); |
| assertContains("3 record(s) expected: [Any (3 times)]", e.getMessage()); |
| assertContains("2 record(s) seen: [0 (2 times)]", e.getMessage()); |
| return; |
| } |
| Assert.fail("Expected AssertionError"); |
| } |
| |
| protected void doTestMissingLastRecord_failure(@TestScenario int scenario) { |
| // Arrange |
| maybeLoadNativeFirst(scenario); |
| mWatcher = |
| HistogramWatcher.newBuilder() |
| .expectIntRecord(TIMES_HISTOGRAM_1, 6000) |
| .expectIntRecord(TIMES_HISTOGRAM_1, 7000) |
| .expectIntRecordTimes(TIMES_HISTOGRAM_1, 8000, 2) |
| .build(); |
| |
| // Act |
| RecordHistogram.recordTimesHistogram(TIMES_HISTOGRAM_1, 6000); |
| RecordHistogram.recordTimesHistogram(TIMES_HISTOGRAM_1, 7000); |
| RecordHistogram.recordTimesHistogram(TIMES_HISTOGRAM_1, 8000); |
| maybeLoadNativeAfterRecord(scenario); |
| |
| // Assert |
| try { |
| mWatcher.assertExpected(); |
| } catch (AssertionError e) { |
| assertContains(TIMES_HISTOGRAM_1, e.getMessage()); |
| assertContains("4 record(s) expected: [6000, 7000, 8000 (2 times)]", e.getMessage()); |
| // Exact histogram buckets can be arbitrary |
| assertContains("3 record(s) seen: [", e.getMessage()); |
| return; |
| } |
| Assert.fail("Expected AssertionError"); |
| } |
| |
| protected void doTestExpectNoRecords_failure(@TestScenario int scenario) { |
| // Arrange |
| maybeLoadNativeFirst(scenario); |
| mWatcher = HistogramWatcher.newBuilder().expectNoRecords(ENUM_HISTOGRAM).build(); |
| |
| // Act |
| RecordHistogram.recordEnumeratedHistogram(ENUM_HISTOGRAM, 5, 10); |
| maybeLoadNativeAfterRecord(scenario); |
| |
| // Assert |
| try { |
| mWatcher.assertExpected(); |
| } catch (AssertionError e) { |
| assertContains(ENUM_HISTOGRAM, e.getMessage()); |
| assertContains("0 record(s) expected: []", e.getMessage()); |
| assertContains("1 record(s) seen: [5]", e.getMessage()); |
| return; |
| } |
| Assert.fail("Expected AssertionError"); |
| } |
| |
| protected void doTestExpectAnyRecords_missing_failure(@TestScenario int scenario) { |
| // Arrange |
| maybeLoadNativeFirst(scenario); |
| mWatcher = HistogramWatcher.newBuilder().expectAnyRecordTimes(BOOLEAN_HISTOGRAM, 3).build(); |
| |
| // Act |
| RecordHistogram.recordBooleanHistogram(BOOLEAN_HISTOGRAM, false); |
| RecordHistogram.recordBooleanHistogram(BOOLEAN_HISTOGRAM, false); |
| maybeLoadNativeAfterRecord(scenario); |
| |
| // Assert |
| try { |
| mWatcher.assertExpected(); |
| } catch (AssertionError e) { |
| assertContains(BOOLEAN_HISTOGRAM, e.getMessage()); |
| assertContains("3 record(s) expected: [Any (3 times)]", e.getMessage()); |
| assertContains("2 record(s) seen: [0 (2 times)]", e.getMessage()); |
| return; |
| } |
| Assert.fail("Expected AssertionError"); |
| } |
| |
| protected void doTestExpectAnyRecords_extras_failure(@TestScenario int scenario) { |
| // Arrange |
| maybeLoadNativeFirst(scenario); |
| mWatcher = HistogramWatcher.newBuilder().expectAnyRecordTimes(BOOLEAN_HISTOGRAM, 3).build(); |
| |
| // Act |
| RecordHistogram.recordBooleanHistogram(BOOLEAN_HISTOGRAM, false); |
| RecordHistogram.recordBooleanHistogram(BOOLEAN_HISTOGRAM, false); |
| RecordHistogram.recordBooleanHistogram(BOOLEAN_HISTOGRAM, true); |
| RecordHistogram.recordBooleanHistogram(BOOLEAN_HISTOGRAM, true); |
| maybeLoadNativeAfterRecord(scenario); |
| |
| // Assert |
| try { |
| mWatcher.assertExpected(); |
| } catch (AssertionError e) { |
| assertContains(BOOLEAN_HISTOGRAM, e.getMessage()); |
| assertContains("3 record(s) expected: [Any (3 times)]", e.getMessage()); |
| assertContains("4 record(s) seen: [0 (2 times), 1 (2 times)]", e.getMessage()); |
| return; |
| } |
| Assert.fail("Expected AssertionError"); |
| } |
| |
| protected void doTestExpectAnyRecords_success(@TestScenario int scenario) { |
| // Arrange |
| maybeLoadNativeFirst(scenario); |
| mWatcher = HistogramWatcher.newBuilder().expectAnyRecordTimes(BOOLEAN_HISTOGRAM, 3).build(); |
| |
| // Act |
| RecordHistogram.recordBooleanHistogram(BOOLEAN_HISTOGRAM, false); |
| RecordHistogram.recordBooleanHistogram(BOOLEAN_HISTOGRAM, false); |
| RecordHistogram.recordBooleanHistogram(BOOLEAN_HISTOGRAM, true); |
| maybeLoadNativeAfterRecord(scenario); |
| |
| // Assert |
| mWatcher.assertExpected(); |
| } |
| |
| protected void doTestMultipleHistograms_success(@TestScenario int scenario) { |
| // Arrange |
| maybeLoadNativeFirst(scenario); |
| mWatcher = |
| HistogramWatcher.newBuilder() |
| .expectIntRecord(EXACT_LINEAR_HISTOGRAM_1, 5) |
| .expectIntRecord(EXACT_LINEAR_HISTOGRAM_1, 6) |
| .expectIntRecord(EXACT_LINEAR_HISTOGRAM_2, 15) |
| .expectIntRecord(EXACT_LINEAR_HISTOGRAM_2, 16) |
| .expectIntRecord(EXACT_LINEAR_HISTOGRAM_3, 25) |
| .expectIntRecord(EXACT_LINEAR_HISTOGRAM_3, 26) |
| .build(); |
| |
| // Act |
| RecordHistogram.recordExactLinearHistogram(EXACT_LINEAR_HISTOGRAM_1, 5, 10); |
| RecordHistogram.recordExactLinearHistogram(EXACT_LINEAR_HISTOGRAM_2, 15, 20); |
| RecordHistogram.recordExactLinearHistogram(EXACT_LINEAR_HISTOGRAM_3, 25, 30); |
| RecordHistogram.recordExactLinearHistogram(EXACT_LINEAR_HISTOGRAM_1, 6, 10); |
| RecordHistogram.recordExactLinearHistogram(EXACT_LINEAR_HISTOGRAM_2, 16, 20); |
| RecordHistogram.recordExactLinearHistogram(EXACT_LINEAR_HISTOGRAM_3, 26, 30); |
| maybeLoadNativeAfterRecord(scenario); |
| |
| // Assert |
| mWatcher.assertExpected(); |
| } |
| |
| protected void doTestMultipleHistograms_failure(@TestScenario int scenario) { |
| // Arrange |
| maybeLoadNativeFirst(scenario); |
| mWatcher = |
| HistogramWatcher.newBuilder() |
| .expectIntRecord(EXACT_LINEAR_HISTOGRAM_1, 5) |
| .expectIntRecord(EXACT_LINEAR_HISTOGRAM_1, 6) |
| .expectIntRecord(EXACT_LINEAR_HISTOGRAM_2, 15) |
| .expectIntRecord(EXACT_LINEAR_HISTOGRAM_2, 16) |
| .expectIntRecord(EXACT_LINEAR_HISTOGRAM_3, 25) |
| .expectIntRecord(EXACT_LINEAR_HISTOGRAM_3, 26) |
| .build(); |
| |
| // Act |
| RecordHistogram.recordExactLinearHistogram(EXACT_LINEAR_HISTOGRAM_1, 5, 10); |
| RecordHistogram.recordExactLinearHistogram(EXACT_LINEAR_HISTOGRAM_2, 15, 20); |
| RecordHistogram.recordExactLinearHistogram(EXACT_LINEAR_HISTOGRAM_3, 25, 30); |
| RecordHistogram.recordExactLinearHistogram(EXACT_LINEAR_HISTOGRAM_1, 6, 10); |
| // Miss recording EXACT_LINEAR_HISTOGRAM_2 with value 16. |
| RecordHistogram.recordExactLinearHistogram(EXACT_LINEAR_HISTOGRAM_3, 26, 30); |
| maybeLoadNativeAfterRecord(scenario); |
| |
| // Assert |
| try { |
| mWatcher.assertExpected(); |
| } catch (AssertionError e) { |
| assertContains(EXACT_LINEAR_HISTOGRAM_2, e.getMessage()); |
| assertContains("2 record(s) expected: [15, 16]", e.getMessage()); |
| assertContains("1 record(s) seen: [15]", e.getMessage()); |
| return; |
| } |
| Assert.fail("Expected AssertionError"); |
| } |
| |
| protected void doTestExpectIntRecords_success(@TestScenario int scenario) { |
| // Arrange |
| maybeLoadNativeFirst(scenario); |
| mWatcher = |
| HistogramWatcher.newBuilder() |
| .expectIntRecords(EXACT_LINEAR_HISTOGRAM_1, 5, 7, 6, 5) |
| .build(); |
| |
| // Act |
| RecordHistogram.recordExactLinearHistogram(EXACT_LINEAR_HISTOGRAM_1, 6, 10); |
| RecordHistogram.recordExactLinearHistogram(EXACT_LINEAR_HISTOGRAM_1, 5, 10); |
| RecordHistogram.recordExactLinearHistogram(EXACT_LINEAR_HISTOGRAM_1, 7, 10); |
| RecordHistogram.recordExactLinearHistogram(EXACT_LINEAR_HISTOGRAM_1, 5, 10); |
| maybeLoadNativeAfterRecord(scenario); |
| |
| // Assert |
| mWatcher.assertExpected(); |
| } |
| |
| protected void doTestExpectIntRecords_failure(@TestScenario int scenario) { |
| // Arrange |
| maybeLoadNativeFirst(scenario); |
| mWatcher = |
| HistogramWatcher.newBuilder() |
| .expectIntRecords(EXACT_LINEAR_HISTOGRAM_1, 5, 7, 6, 5) |
| .build(); |
| |
| // Act |
| RecordHistogram.recordExactLinearHistogram(EXACT_LINEAR_HISTOGRAM_1, 6, 10); |
| RecordHistogram.recordExactLinearHistogram(EXACT_LINEAR_HISTOGRAM_1, 5, 10); |
| RecordHistogram.recordExactLinearHistogram(EXACT_LINEAR_HISTOGRAM_1, 7, 10); |
| // Miss recording EXACT_LINEAR_HISTOGRAM_1 with value 5. |
| maybeLoadNativeAfterRecord(scenario); |
| |
| // Assert |
| try { |
| mWatcher.assertExpected(); |
| } catch (AssertionError e) { |
| assertContains(EXACT_LINEAR_HISTOGRAM_1, e.getMessage()); |
| assertContains("4 record(s) expected: [5 (2 times), 6, 7]", e.getMessage()); |
| assertContains("3 record(s) seen: [5, 6, 7]", e.getMessage()); |
| return; |
| } |
| Assert.fail("Expected AssertionError"); |
| } |
| |
| protected void doTestIgnoreOtherHistograms_success(@TestScenario int scenario) { |
| // Arrange |
| maybeLoadNativeFirst(scenario); |
| mWatcher = |
| HistogramWatcher.newBuilder().expectIntRecord(EXACT_LINEAR_HISTOGRAM_1, 5).build(); |
| |
| // Act |
| RecordHistogram.recordExactLinearHistogram(EXACT_LINEAR_HISTOGRAM_1, 5, 10); |
| RecordHistogram.recordExactLinearHistogram(EXACT_LINEAR_HISTOGRAM_2, 15, 20); |
| maybeLoadNativeAfterRecord(scenario); |
| |
| // Assert |
| mWatcher.assertExpected(); |
| } |
| |
| protected void doTestMissingFirstRecord_failure(@TestScenario int scenario) { |
| // Arrange |
| maybeLoadNativeFirst(scenario); |
| mWatcher = |
| HistogramWatcher.newBuilder() |
| .expectIntRecord(TIMES_HISTOGRAM_1, 6000) |
| .expectIntRecord(TIMES_HISTOGRAM_1, 7000) |
| .expectIntRecord(TIMES_HISTOGRAM_1, 8000) |
| .build(); |
| |
| // Act |
| RecordHistogram.recordTimesHistogram(TIMES_HISTOGRAM_1, 7000); |
| RecordHistogram.recordTimesHistogram(TIMES_HISTOGRAM_1, 8000); |
| maybeLoadNativeAfterRecord(scenario); |
| |
| // Assert |
| try { |
| mWatcher.assertExpected(); |
| } catch (AssertionError e) { |
| assertContains(TIMES_HISTOGRAM_1, e.getMessage()); |
| assertContains("3 record(s) expected: [6000, 7000, 8000]", e.getMessage()); |
| // Exact histogram buckets can be arbitrary |
| assertContains("2 record(s) seen: [", e.getMessage()); |
| return; |
| } |
| Assert.fail("Expected AssertionError"); |
| } |
| |
| protected void doTestMissingMiddleRecord_failure(@TestScenario int scenario) { |
| // Arrange |
| maybeLoadNativeFirst(scenario); |
| mWatcher = |
| HistogramWatcher.newBuilder() |
| .expectIntRecord(TIMES_HISTOGRAM_1, 6000) |
| .expectIntRecord(TIMES_HISTOGRAM_1, 7000) |
| .expectIntRecord(TIMES_HISTOGRAM_1, 8000) |
| .build(); |
| |
| // Act |
| RecordHistogram.recordTimesHistogram(TIMES_HISTOGRAM_1, 6000); |
| RecordHistogram.recordTimesHistogram(TIMES_HISTOGRAM_1, 8000); |
| maybeLoadNativeAfterRecord(scenario); |
| |
| // Assert |
| try { |
| mWatcher.assertExpected(); |
| } catch (AssertionError e) { |
| assertContains(TIMES_HISTOGRAM_1, e.getMessage()); |
| assertContains("3 record(s) expected: [6000, 7000, 8000]", e.getMessage()); |
| // Exact histogram buckets can be arbitrary |
| assertContains("2 record(s) seen: [", e.getMessage()); |
| return; |
| } |
| Assert.fail("Expected AssertionError"); |
| } |
| |
| protected void maybeLoadNativeAfterRecord(int scenario) { |
| if (scenario == TestScenario.TRANSITION_TO_NATIVE) { |
| LibraryLoader.getInstance().ensureInitialized(); |
| } |
| } |
| |
| protected void maybeLoadNativeFirst(int scenario) { |
| if (scenario == TestScenario.WITH_NATIVE) { |
| LibraryLoader.getInstance().ensureInitialized(); |
| } |
| } |
| |
| protected static void assertContains(String expectedSubstring, String actualString) { |
| Assert.assertNotNull(actualString); |
| if (!actualString.contains(expectedSubstring)) { |
| Assert.fail( |
| String.format( |
| "Substring <%s> not found in string <%s>", |
| expectedSubstring, actualString)); |
| } |
| } |
| } |
