// Protocol Buffers - Google's data interchange format
// Copyright 2008 Google Inc. All rights reserved.
// https://developers.google.com/protocol-buffers/
//
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// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
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// this software without specific prior written permission.
//
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package com.google.protobuf;
import static com.google.common.truth.Truth.assertThat;
import static com.google.common.truth.Truth.assertWithMessage;
import com.google.protobuf.Descriptors.Descriptor;
import com.google.protobuf.Descriptors.FieldDescriptor;
import protobuf_unittest.UnittestProto.TestAllTypes;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;
/** Test {@link TextFormatParseInfoTree}. */
@RunWith(JUnit4.class)
public class TextFormatParseInfoTreeTest {
private static final Descriptor DESCRIPTOR = TestAllTypes.getDescriptor();
private static final FieldDescriptor OPTIONAL_INT32 =
DESCRIPTOR.findFieldByName("optional_int32");
private static final FieldDescriptor OPTIONAL_BOOLEAN =
DESCRIPTOR.findFieldByName("optional_boolean");
private static final FieldDescriptor REPEATED_INT32 =
DESCRIPTOR.findFieldByName("repeated_int32");
private static final FieldDescriptor OPTIONAL_NESTED_MESSAGE =
DESCRIPTOR.findFieldByName("optional_nested_message");
private static final FieldDescriptor REPEATED_NESTED_MESSAGE =
DESCRIPTOR.findFieldByName("repeated_nested_message");
private static final FieldDescriptor FIELD_BB =
TestAllTypes.NestedMessage.getDescriptor().findFieldByName("bb");
private static final TextFormatParseLocation LOC0 = TextFormatParseLocation.create(1, 2);
private static final TextFormatParseLocation LOC1 = TextFormatParseLocation.create(2, 3);
private TextFormatParseInfoTree.Builder rootBuilder;
@Before
public void setUp() {
rootBuilder = TextFormatParseInfoTree.builder();
}
@Test
public void testBuildEmptyParseTree() {
TextFormatParseInfoTree tree = rootBuilder.build();
assertThat(tree.getLocations(null)).isEmpty();
}
@Test
public void testGetLocationReturnsSingleLocation() {
rootBuilder.setLocation(OPTIONAL_INT32, LOC0);
TextFormatParseInfoTree root = rootBuilder.build();
assertThat(root.getLocation(OPTIONAL_INT32, 0)).isEqualTo(LOC0);
assertThat(root.getLocations(OPTIONAL_INT32)).hasSize(1);
}
@Test
public void testGetLocationsReturnsNoParseLocationsForUnknownField() {
assertThat(rootBuilder.build().getLocations(OPTIONAL_INT32)).isEmpty();
rootBuilder.setLocation(OPTIONAL_BOOLEAN, LOC0);
TextFormatParseInfoTree root = rootBuilder.build();
assertThat(root.getLocations(OPTIONAL_INT32)).isEmpty();
assertThat(root.getLocations(OPTIONAL_BOOLEAN).get(0)).isEqualTo(LOC0);
}
@Test
public void testGetLocationThrowsIllegalArgumentExceptionForUnknownField() {
rootBuilder.setLocation(REPEATED_INT32, LOC0);
TextFormatParseInfoTree root = rootBuilder.build();
try {
root.getNestedTree(OPTIONAL_INT32, 0);
assertWithMessage("Did not detect unknown field").fail();
} catch (IllegalArgumentException expected) {
// pass
}
}
@Test
public void testGetLocationThrowsIllegalArgumentExceptionForInvalidIndex() {
TextFormatParseInfoTree root = rootBuilder.setLocation(OPTIONAL_INT32, LOC0).build();
try {
root.getLocation(OPTIONAL_INT32, 1);
assertWithMessage("Invalid index not detected").fail();
} catch (IllegalArgumentException expected) {
// pass
}
try {
root.getLocation(OPTIONAL_INT32, -1);
assertWithMessage("Negative index not detected").fail();
} catch (IllegalArgumentException expected) {
// pass
}
}
@Test
public void testGetLocationsReturnsMultipleLocations() {
rootBuilder.setLocation(REPEATED_INT32, LOC0);
rootBuilder.setLocation(REPEATED_INT32, LOC1);
TextFormatParseInfoTree root = rootBuilder.build();
assertThat(root.getLocation(REPEATED_INT32, 0)).isEqualTo(LOC0);
assertThat(root.getLocation(REPEATED_INT32, 1)).isEqualTo(LOC1);
assertThat(root.getLocations(REPEATED_INT32)).hasSize(2);
}
@Test
public void testGetNestedTreeThrowsIllegalArgumentExceptionForUnknownField() {
rootBuilder.setLocation(REPEATED_INT32, LOC0);
TextFormatParseInfoTree root = rootBuilder.build();
try {
root.getNestedTree(OPTIONAL_NESTED_MESSAGE, 0);
assertWithMessage("Did not detect unknown field").fail();
} catch (IllegalArgumentException expected) {
// pass
}
}
@Test
public void testGetNestedTreesReturnsNoParseInfoTreesForUnknownField() {
rootBuilder.setLocation(REPEATED_INT32, LOC0);
TextFormatParseInfoTree root = rootBuilder.build();
assertThat(root.getNestedTrees(OPTIONAL_NESTED_MESSAGE)).isEmpty();
}
@Test
public void testGetNestedTreeThrowsIllegalArgumentExceptionForInvalidIndex() {
rootBuilder.setLocation(REPEATED_INT32, LOC0);
rootBuilder.getBuilderForSubMessageField(OPTIONAL_NESTED_MESSAGE);
TextFormatParseInfoTree root = rootBuilder.build();
try {
root.getNestedTree(OPTIONAL_NESTED_MESSAGE, 1);
assertWithMessage("Submessage index that is too large not detected").fail();
} catch (IllegalArgumentException expected) {
// pass
}
try {
rootBuilder.build().getNestedTree(OPTIONAL_NESTED_MESSAGE, -1);
assertWithMessage("Invalid submessage index (-1) not detected").fail();
} catch (IllegalArgumentException expected) {
// pass
}
}
@Test
public void testGetNestedTreesReturnsSingleTree() {
rootBuilder.getBuilderForSubMessageField(OPTIONAL_NESTED_MESSAGE);
TextFormatParseInfoTree root = rootBuilder.build();
assertThat(root.getNestedTrees(OPTIONAL_NESTED_MESSAGE)).hasSize(1);
TextFormatParseInfoTree subtree = root.getNestedTrees(OPTIONAL_NESTED_MESSAGE).get(0);
assertThat(subtree).isNotNull();
}
@Test
public void testGetNestedTreesReturnsMultipleTrees() {
TextFormatParseInfoTree.Builder subtree1Builder =
rootBuilder.getBuilderForSubMessageField(REPEATED_NESTED_MESSAGE);
subtree1Builder.getBuilderForSubMessageField(FIELD_BB);
subtree1Builder.getBuilderForSubMessageField(FIELD_BB);
TextFormatParseInfoTree.Builder subtree2Builder =
rootBuilder.getBuilderForSubMessageField(REPEATED_NESTED_MESSAGE);
subtree2Builder.getBuilderForSubMessageField(FIELD_BB);
TextFormatParseInfoTree root = rootBuilder.build();
assertThat(root.getNestedTrees(REPEATED_NESTED_MESSAGE)).hasSize(2);
assertThat(root.getNestedTrees(REPEATED_NESTED_MESSAGE).get(0).getNestedTrees(FIELD_BB))
.hasSize(2);
assertThat(root.getNestedTrees(REPEATED_NESTED_MESSAGE).get(1).getNestedTrees(FIELD_BB))
.hasSize(1);
}
}
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