| // Copyright 2006 The Bazel Authors. All Rights Reserved. |
| // |
| // 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.google.devtools.build.lib.syntax; |
| |
| |
| import com.google.devtools.build.lib.skyframe.serialization.testutils.SerializationTester; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.JUnit4; |
| |
| /** Tests for {@link FileLocations}. */ |
| // TODO(adonovan): express this test in terms of the public API. |
| @RunWith(JUnit4.class) |
| public class FileLocationsTest { |
| |
| private static FileLocations create(String buffer) { |
| return FileLocations.create(buffer.toCharArray(), "/fake/file"); |
| } |
| |
| // Asserts that the specified offset results in a line/column pair of the form "1:2". |
| private static void checkOffset(FileLocations table, int offset, String wantLineCol) { |
| Location loc = table.getLocation(offset); |
| String got = String.format("%d:%d", loc.line(), loc.column()); |
| if (!got.equals(wantLineCol)) { |
| throw new AssertionError( |
| String.format("location(%d) = %s, want %s", offset, got, wantLineCol)); |
| } |
| } |
| |
| @Test |
| public void testEmpty() { |
| FileLocations table = create(""); |
| checkOffset(table, 0, "1:1"); |
| } |
| |
| @Test |
| public void testNewline() { |
| FileLocations table = create("\n"); |
| checkOffset(table, 0, "1:1"); |
| checkOffset(table, 1, "2:1"); // EOF |
| } |
| |
| @Test |
| public void testOneLiner() { |
| FileLocations table = create("foo"); |
| checkOffset(table, 0, "1:1"); |
| checkOffset(table, 1, "1:2"); |
| checkOffset(table, 2, "1:3"); |
| checkOffset(table, 3, "1:4"); // EOF |
| } |
| |
| @Test |
| public void testMultiLiner() { |
| FileLocations table = create("\ntwo\nthree\n\nfive\n"); |
| |
| // \n |
| checkOffset(table, 0, "1:1"); |
| |
| // two\n |
| checkOffset(table, 1, "2:1"); |
| checkOffset(table, 2, "2:2"); |
| checkOffset(table, 3, "2:3"); |
| checkOffset(table, 4, "2:4"); |
| |
| // three\n |
| checkOffset(table, 5, "3:1"); |
| checkOffset(table, 10, "3:6"); |
| |
| // \n |
| checkOffset(table, 11, "4:1"); |
| |
| // five\n |
| checkOffset(table, 12, "5:1"); |
| checkOffset(table, 16, "5:5"); |
| |
| // start of final empty line |
| checkOffset(table, 17, "6:1"); // EOF |
| } |
| |
| @Test |
| public void testCodec() throws Exception { |
| new SerializationTester( |
| create( |
| "#\n" |
| + "#line 67 \"/foo\"\n" |
| + "cc_binary(name='a',\n" |
| + " srcs=[])\n" |
| + "#line 23 \"/ba.r\"\n" |
| + "vardef(x,y)\n"), |
| create("\ntwo\nthree\n\nfive\n")) |
| .runTests(); |
| } |
| } |