1 | //===- unittest/Format/FormatTestJava.cpp - Formatting tests for Java -----===// |
2 | // |
3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
4 | // See https://llvm.org/LICENSE.txt for license information. |
5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
6 | // |
7 | //===----------------------------------------------------------------------===// |
8 | |
9 | #include "FormatTestBase.h" |
10 | |
11 | #define DEBUG_TYPE "format-test" |
12 | |
13 | namespace clang { |
14 | namespace format { |
15 | namespace test { |
16 | namespace { |
17 | |
18 | class FormatTestJava : public test::FormatTestBase { |
19 | protected: |
20 | FormatStyle getDefaultStyle() const override { |
21 | return getGoogleStyle(Language: FormatStyle::LK_Java); |
22 | } |
23 | |
24 | static FormatStyle getStyleWithColumns(unsigned ColumnLimit) { |
25 | FormatStyle Style = getGoogleStyle(Language: FormatStyle::LK_Java); |
26 | Style.ColumnLimit = ColumnLimit; |
27 | return Style; |
28 | } |
29 | }; |
30 | |
31 | TEST_F(FormatTestJava, NoAlternativeOperatorNames) { |
32 | verifyFormat("someObject.and();" ); |
33 | } |
34 | |
35 | TEST_F(FormatTestJava, UnderstandsCasts) { |
36 | verifyFormat("a[b >> 1] = (byte) (c() << 4);" ); |
37 | } |
38 | |
39 | TEST_F(FormatTestJava, FormatsInstanceOfLikeOperators) { |
40 | FormatStyle Style = getStyleWithColumns(ColumnLimit: 50); |
41 | verifyFormat("return aaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n" |
42 | " instanceof bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb;" , |
43 | Style); |
44 | Style.BreakBeforeBinaryOperators = FormatStyle::BOS_None; |
45 | verifyFormat("return aaaaaaaaaaaaaaaaaaaaaaaaaaaaa instanceof\n" |
46 | " bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb;" , |
47 | Style); |
48 | verifyFormat("return aaaaaaaaaaaaaaaaaaa instanceof bbbbbbbbbbbbbbbbbbbbbbb\n" |
49 | " && ccccccccccccccccccc instanceof dddddddddddddddddddddd;" ); |
50 | } |
51 | |
52 | TEST_F(FormatTestJava, Chromium) { |
53 | verifyFormat("class SomeClass {\n" |
54 | " void f() {}\n" |
55 | " int g() {\n" |
56 | " return 0;\n" |
57 | " }\n" |
58 | " void h() {\n" |
59 | " while (true) f();\n" |
60 | " for (;;) f();\n" |
61 | " if (true) f();\n" |
62 | " }\n" |
63 | "}" , |
64 | getChromiumStyle(FormatStyle::LK_Java)); |
65 | } |
66 | |
67 | TEST_F(FormatTestJava, QualifiedNames) { |
68 | verifyFormat("public some.package.Type someFunction( // comment\n" |
69 | " int parameter) {}" ); |
70 | } |
71 | |
72 | TEST_F(FormatTestJava, ClassKeyword) { |
73 | verifyFormat("SomeClass.class.getName();" ); |
74 | verifyFormat("Class c = SomeClass.class;" ); |
75 | } |
76 | |
77 | TEST_F(FormatTestJava, ClassDeclarations) { |
78 | verifyFormat("public class SomeClass {\n" |
79 | " private int a;\n" |
80 | " private int b;\n" |
81 | "}" ); |
82 | verifyFormat("public class A {\n" |
83 | " class B {\n" |
84 | " int i;\n" |
85 | " }\n" |
86 | " class C {\n" |
87 | " int j;\n" |
88 | " }\n" |
89 | "}" ); |
90 | verifyFormat("public class A extends B.C {}" ); |
91 | |
92 | verifyFormat("abstract class SomeClass\n" |
93 | " extends SomeOtherClass implements SomeInterface {}" , |
94 | getStyleWithColumns(60)); |
95 | verifyFormat("abstract class SomeClass extends SomeOtherClass\n" |
96 | " implements SomeInterfaceeeeeeeeeeeee {}" , |
97 | getStyleWithColumns(60)); |
98 | verifyFormat("abstract class SomeClass\n" |
99 | " extends SomeOtherClass\n" |
100 | " implements SomeInterface {}" , |
101 | getStyleWithColumns(40)); |
102 | verifyFormat("abstract class SomeClass\n" |
103 | " extends SomeOtherClass\n" |
104 | " implements SomeInterface,\n" |
105 | " AnotherInterface {}" , |
106 | getStyleWithColumns(40)); |
107 | verifyFormat("abstract class SomeClass\n" |
108 | " implements SomeInterface, AnotherInterface {}" , |
109 | getStyleWithColumns(60)); |
110 | verifyFormat("@SomeAnnotation()\n" |
111 | "abstract class aaaaaaaaaaaa\n" |
112 | " extends bbbbbbbbbbbbbbb implements cccccccccccc {}" , |
113 | getStyleWithColumns(76)); |
114 | verifyFormat("@SomeAnnotation()\n" |
115 | "abstract class aaaaaaaaa<a>\n" |
116 | " extends bbbbbbbbbbbb<b> implements cccccccccccc {}" , |
117 | getStyleWithColumns(76)); |
118 | verifyFormat("interface SomeInterface<A> extends Foo, Bar {\n" |
119 | " void doStuff(int theStuff);\n" |
120 | " void doMoreStuff(int moreStuff);\n" |
121 | "}" ); |
122 | verifyFormat("public interface SomeInterface {\n" |
123 | " void doStuff(int theStuff);\n" |
124 | " void doMoreStuff(int moreStuff);\n" |
125 | " default void doStuffWithDefault() {}\n" |
126 | "}" ); |
127 | verifyFormat("@interface SomeInterface {\n" |
128 | " void doStuff(int theStuff);\n" |
129 | " void doMoreStuff(int moreStuff);\n" |
130 | "}" ); |
131 | verifyFormat("public @interface SomeInterface {\n" |
132 | " void doStuff(int theStuff);\n" |
133 | " void doMoreStuff(int moreStuff);\n" |
134 | "}" ); |
135 | verifyFormat("class A {\n" |
136 | " public @interface SomeInterface {\n" |
137 | " int stuff;\n" |
138 | " void doMoreStuff(int moreStuff);\n" |
139 | " }\n" |
140 | "}" ); |
141 | verifyFormat("class A {\n" |
142 | " public @interface SomeInterface {}\n" |
143 | "}" ); |
144 | } |
145 | |
146 | TEST_F(FormatTestJava, AnonymousClasses) { |
147 | verifyFormat("return new A() {\n" |
148 | " public String toString() {\n" |
149 | " return \"NotReallyA\";\n" |
150 | " }\n" |
151 | "};" ); |
152 | verifyFormat("A a = new A() {\n" |
153 | " public String toString() {\n" |
154 | " return \"NotReallyA\";\n" |
155 | " }\n" |
156 | "};" ); |
157 | } |
158 | |
159 | TEST_F(FormatTestJava, EnumDeclarations) { |
160 | verifyFormat("enum SomeThing { ABC, CDE }" ); |
161 | verifyFormat("enum SomeThing {\n" |
162 | " ABC,\n" |
163 | " CDE,\n" |
164 | "}" ); |
165 | verifyFormat("public class SomeClass {\n" |
166 | " enum SomeThing { ABC, CDE }\n" |
167 | " void f() {}\n" |
168 | "}" ); |
169 | verifyFormat("public class SomeClass implements SomeInterface {\n" |
170 | " enum SomeThing { ABC, CDE }\n" |
171 | " void f() {}\n" |
172 | "}" ); |
173 | verifyFormat("enum SomeThing {\n" |
174 | " ABC,\n" |
175 | " CDE;\n" |
176 | " void f() {}\n" |
177 | "}" ); |
178 | verifyFormat("enum SomeThing {\n" |
179 | " void f() {}" ); |
180 | verifyFormat("enum SomeThing {\n" |
181 | " ABC(1, \"ABC\"),\n" |
182 | " CDE(2, \"CDE\");\n" |
183 | " Something(int i, String s) {}\n" |
184 | "}" ); |
185 | verifyFormat("enum SomeThing {\n" |
186 | " ABC(new int[] {1, 2}),\n" |
187 | " CDE(new int[] {2, 3});\n" |
188 | " Something(int[] i) {}\n" |
189 | "}" ); |
190 | verifyFormat("public enum SomeThing {\n" |
191 | " ABC {\n" |
192 | " public String toString() {\n" |
193 | " return \"ABC\";\n" |
194 | " }\n" |
195 | " },\n" |
196 | " CDE {\n" |
197 | " @Override\n" |
198 | " public String toString() {\n" |
199 | " return \"CDE\";\n" |
200 | " }\n" |
201 | " };\n" |
202 | " public void f() {}\n" |
203 | "}" ); |
204 | verifyFormat("private enum SomeEnum implements Foo<?, B> {\n" |
205 | " ABC {\n" |
206 | " @Override\n" |
207 | " public String toString() {\n" |
208 | " return \"ABC\";\n" |
209 | " }\n" |
210 | " },\n" |
211 | " CDE {\n" |
212 | " @Override\n" |
213 | " public String toString() {\n" |
214 | " return \"CDE\";\n" |
215 | " }\n" |
216 | " };\n" |
217 | "}" ); |
218 | verifyFormat("public enum VeryLongEnum {\n" |
219 | " ENUM_WITH_MANY_PARAMETERS(\n" |
220 | " \"aaaaaaaaaaaaaaaaaaaaaaaaaaaaa\", \"bbbbbbbbbbbbbbbb\", " |
221 | "\"cccccccccccccccccccccccc\"),\n" |
222 | " SECOND_ENUM(\"a\", \"b\", \"c\");\n" |
223 | " private VeryLongEnum(String a, String b, String c) {}\n" |
224 | "}" ); |
225 | } |
226 | |
227 | TEST_F(FormatTestJava, ArrayInitializers) { |
228 | verifyFormat("new int[] {1, 2, 3, 4};" ); |
229 | verifyFormat("new int[] {\n" |
230 | " 1,\n" |
231 | " 2,\n" |
232 | " 3,\n" |
233 | " 4,\n" |
234 | "};" ); |
235 | |
236 | FormatStyle Style = getStyleWithColumns(ColumnLimit: 65); |
237 | Style.Cpp11BracedListStyle = false; |
238 | verifyFormat( |
239 | "expected = new int[] { 10, 10, 10, 10, 10, 10, 10, 10, 10, 10,\n" |
240 | " 100, 100, 100, 100, 100, 100, 100, 100, 100, 100 };" , |
241 | Style); |
242 | } |
243 | |
244 | TEST_F(FormatTestJava, ThrowsDeclarations) { |
245 | verifyFormat("public void doSooooooooooooooooooooooooooomething()\n" |
246 | " throws LooooooooooooooooooooooooooooongException {}" ); |
247 | verifyFormat("public void doSooooooooooooooooooooooooooomething()\n" |
248 | " throws LoooooooooongException, LooooooooooongException {}" ); |
249 | } |
250 | |
251 | TEST_F(FormatTestJava, Annotations) { |
252 | verifyFormat("@Override\n" |
253 | "public String toString() {}" ); |
254 | verifyFormat("@Override\n" |
255 | "@Nullable\n" |
256 | "public String getNameIfPresent() {}" ); |
257 | verifyFormat("@Override // comment\n" |
258 | "@Nullable\n" |
259 | "public String getNameIfPresent() {}" ); |
260 | verifyFormat("@java.lang.Override // comment\n" |
261 | "@Nullable\n" |
262 | "public String getNameIfPresent() {}" ); |
263 | |
264 | verifyFormat("@SuppressWarnings(value = \"unchecked\")\n" |
265 | "public void doSomething() {}" ); |
266 | verifyFormat("@SuppressWarnings(value = \"unchecked\")\n" |
267 | "@Author(name = \"abc\")\n" |
268 | "public void doSomething() {}" ); |
269 | |
270 | verifyFormat("DoSomething(new A() {\n" |
271 | " @Override\n" |
272 | " public String toString() {}\n" |
273 | "});" ); |
274 | |
275 | verifyFormat("void SomeFunction(@Nullable String something) {}" ); |
276 | verifyFormat("void SomeFunction(@org.llvm.Nullable String something) {}" ); |
277 | |
278 | verifyFormat("@Partial @Mock DataLoader loader;" ); |
279 | verifyFormat("@Partial\n" |
280 | "@Mock\n" |
281 | "DataLoader loader;" , |
282 | getChromiumStyle(FormatStyle::LK_Java)); |
283 | verifyFormat("@SuppressWarnings(value = \"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\")\n" |
284 | "public static int iiiiiiiiiiiiiiiiiiiiiiii;" ); |
285 | |
286 | verifyFormat("@SomeAnnotation(\"With some really looooooooooooooong text\")\n" |
287 | "private static final long something = 0L;" ); |
288 | verifyFormat("@org.llvm.Qualified(\"With some really looooooooooong text\")\n" |
289 | "private static final long something = 0L;" ); |
290 | verifyFormat("@Mock\n" |
291 | "DataLoader loooooooooooooooooooooooader =\n" |
292 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa;" , |
293 | getStyleWithColumns(60)); |
294 | verifyFormat("@org.llvm.QualifiedMock\n" |
295 | "DataLoader loooooooooooooooooooooooader =\n" |
296 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa;" , |
297 | getStyleWithColumns(60)); |
298 | verifyFormat("@Test(a)\n" |
299 | "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa =\n" |
300 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaa(aaaaaaaaaaaaaaaaaaaaaaa);" ); |
301 | verifyFormat("@SomeAnnotation(\n" |
302 | " aaaaaaaaaaaaaaaaa, aaaaaaaaaaaaaaaaaaaa)\n" |
303 | "int i;" , |
304 | getStyleWithColumns(50)); |
305 | verifyFormat("@Test\n" |
306 | "ReturnType doSomething(\n" |
307 | " String aaaaaaaaaaaaa, String bbbbbbbbbbbbbbb) {}" , |
308 | getStyleWithColumns(60)); |
309 | verifyFormat("{\n" |
310 | " boolean someFunction(\n" |
311 | " @Param(aaaaaaaaaaaaaaaa) String aaaaa,\n" |
312 | " String bbbbbbbbbbbbbbb) {}\n" |
313 | "}" , |
314 | getStyleWithColumns(60)); |
315 | verifyFormat("@Annotation(\"Some\"\n" |
316 | " + \" text\")\n" |
317 | "List<Integer> list;" ); |
318 | |
319 | verifyFormat( |
320 | "@Test\n" |
321 | "@Feature({\"Android-TabSwitcher\"})\n" |
322 | "@CommandLineFlags.Add({ChromeSwitches.DISABLE_FIRST_RUN_EXPERIENCE})\n" |
323 | "@Features.EnableFeatures({FEATURE})\n" |
324 | "public void test(@Foo.bar(\"baz\") @Quux.Qoob int theFirstParaaaaam,\n" |
325 | " @Foo.bar(\"baz\") @Quux.Qoob int theSecondParaaaaaaaaaaaaaaaam) {}" ); |
326 | } |
327 | |
328 | TEST_F(FormatTestJava, Generics) { |
329 | verifyFormat("Iterable<?> a;" ); |
330 | verifyFormat("Iterable<?> a;" ); |
331 | verifyFormat("Iterable<? extends SomeObject> a;" ); |
332 | |
333 | verifyFormat("A.<B>doSomething();" ); |
334 | verifyFormat("A.<B<C>>doSomething();" ); |
335 | verifyFormat("A.<B<C<D>>>doSomething();" ); |
336 | verifyFormat("A.<B<C<D<E>>>>doSomething();" ); |
337 | |
338 | verifyFormat("OrderedPair<String, List<Box<Integer>>> p = null;" ); |
339 | |
340 | verifyFormat("@Override\n" |
341 | "public Map<String, ?> getAll() {}" ); |
342 | |
343 | verifyFormat("public <R> ArrayList<R> get() {}" ); |
344 | verifyFormat("protected <R> ArrayList<R> get() {}" ); |
345 | verifyFormat("private <R> ArrayList<R> get() {}" ); |
346 | verifyFormat("public static <R> ArrayList<R> get() {}" ); |
347 | verifyFormat("public static native <R> ArrayList<R> get();" ); |
348 | verifyFormat("public final <X> Foo foo() {}" ); |
349 | verifyFormat("public abstract <X> Foo foo();" ); |
350 | verifyFormat("<T extends B> T getInstance(Class<T> type);" ); |
351 | verifyFormat("Function<F, ? extends T> function;" ); |
352 | |
353 | verifyFormat("private Foo<X, Y>[] foos;" ); |
354 | verifyFormat("Foo<X, Y>[] foos = this.foos;" ); |
355 | verifyFormat("return (a instanceof List<?>)\n" |
356 | " ? aaaaaaaaaaaaaaaaaaaaaaa(aaaaaaaaaaaaaaaaaaaaa)\n" |
357 | " : aaaaaaaaaaaaaaaaaaaaaaa;" , |
358 | getStyleWithColumns(60)); |
359 | |
360 | verifyFormat( |
361 | "SomeLoooooooooooooooooooooongType name =\n" |
362 | " SomeType.foo(someArgument)\n" |
363 | " .<X>method()\n" |
364 | " .aaaaaaaaaaaaaaaaaaa()\n" |
365 | " .aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa();" ); |
366 | } |
367 | |
368 | TEST_F(FormatTestJava, StringConcatenation) { |
369 | verifyFormat("String someString = \"abc\"\n" |
370 | " + \"cde\";" ); |
371 | } |
372 | |
373 | TEST_F(FormatTestJava, TryCatchFinally) { |
374 | verifyFormat("try {\n" |
375 | " Something();\n" |
376 | "} catch (SomeException e) {\n" |
377 | " HandleException(e);\n" |
378 | "}" ); |
379 | verifyFormat("try {\n" |
380 | " Something();\n" |
381 | "} finally {\n" |
382 | " AlwaysDoThis();\n" |
383 | "}" ); |
384 | verifyFormat("try {\n" |
385 | " Something();\n" |
386 | "} catch (SomeException e) {\n" |
387 | " HandleException(e);\n" |
388 | "} finally {\n" |
389 | " AlwaysDoThis();\n" |
390 | "}" ); |
391 | |
392 | verifyFormat("try {\n" |
393 | " Something();\n" |
394 | "} catch (SomeException | OtherException e) {\n" |
395 | " HandleException(e);\n" |
396 | "}" ); |
397 | } |
398 | |
399 | TEST_F(FormatTestJava, TryWithResources) { |
400 | verifyFormat("try (SomeResource rs = someFunction()) {\n" |
401 | " Something();\n" |
402 | "}" ); |
403 | verifyFormat("try (SomeResource rs = someFunction()) {\n" |
404 | " Something();\n" |
405 | "} catch (SomeException e) {\n" |
406 | " HandleException(e);\n" |
407 | "}" ); |
408 | } |
409 | |
410 | TEST_F(FormatTestJava, SynchronizedKeyword) { |
411 | verifyFormat("synchronized (mData) {\n" |
412 | " // ...\n" |
413 | "}" ); |
414 | |
415 | FormatStyle Style = getLLVMStyle(Language: FormatStyle::LK_Java); |
416 | Style.BreakBeforeBraces = FormatStyle::BS_Custom; |
417 | |
418 | Style.BraceWrapping.AfterControlStatement = FormatStyle::BWACS_Always; |
419 | Style.BraceWrapping.AfterFunction = false; |
420 | verifyFormat("synchronized (mData)\n" |
421 | "{\n" |
422 | " // ...\n" |
423 | "}" , |
424 | Style); |
425 | |
426 | Style.BraceWrapping.AfterControlStatement = FormatStyle::BWACS_Never; |
427 | Style.BraceWrapping.AfterFunction = true; |
428 | verifyFormat("synchronized (mData) {\n" |
429 | " // ...\n" |
430 | "}" , |
431 | Style); |
432 | } |
433 | |
434 | TEST_F(FormatTestJava, AssertKeyword) { |
435 | verifyFormat("assert a && b;" ); |
436 | verifyFormat("assert (a && b);" ); |
437 | } |
438 | |
439 | TEST_F(FormatTestJava, PackageDeclarations) { |
440 | verifyFormat("package some.really.loooooooooooooooooooooong.package;" , |
441 | getStyleWithColumns(50)); |
442 | } |
443 | |
444 | TEST_F(FormatTestJava, ImportDeclarations) { |
445 | verifyFormat("import some.really.loooooooooooooooooooooong.imported.Class;" , |
446 | getStyleWithColumns(50)); |
447 | verifyFormat("import static some.really.looooooooooooooooong.imported.Class;" , |
448 | getStyleWithColumns(50)); |
449 | } |
450 | |
451 | TEST_F(FormatTestJava, MethodDeclarations) { |
452 | verifyFormat("void methodName(Object arg1,\n" |
453 | " Object arg2, Object arg3) {}" , |
454 | getStyleWithColumns(40)); |
455 | verifyFormat("void methodName(\n" |
456 | " Object arg1, Object arg2) {}" , |
457 | getStyleWithColumns(40)); |
458 | } |
459 | |
460 | TEST_F(FormatTestJava, MethodReference) { |
461 | EXPECT_EQ("private void foo() {\n" |
462 | " f(this::methodReference);\n" |
463 | " f(C.super::methodReference);\n" |
464 | " Consumer<String> c = System.out::println;\n" |
465 | " Iface<Integer> mRef = Ty::<Integer>meth;\n" |
466 | "}" , |
467 | format("private void foo() {\n" |
468 | " f(this ::methodReference);\n" |
469 | " f(C.super ::methodReference);\n" |
470 | " Consumer<String> c = System.out ::println;\n" |
471 | " Iface<Integer> mRef = Ty :: <Integer> meth;\n" |
472 | "}" )); |
473 | } |
474 | |
475 | TEST_F(FormatTestJava, CppKeywords) { |
476 | verifyFormat("public void union(Type a, Type b);" ); |
477 | verifyFormat("public void struct(Object o);" ); |
478 | verifyFormat("public void delete(Object o);" ); |
479 | verifyFormat("return operator && (aa);" ); |
480 | } |
481 | |
482 | TEST_F(FormatTestJava, NeverAlignAfterReturn) { |
483 | verifyFormat("return aaaaaaaaaaaaaaaaaaa\n" |
484 | " && bbbbbbbbbbbbbbbbbbb\n" |
485 | " && ccccccccccccccccccc;" , |
486 | getStyleWithColumns(40)); |
487 | verifyFormat("return (result == null)\n" |
488 | " ? aaaaaaaaaaaaaaaaa\n" |
489 | " : bbbbbbbbbbbbbbbbb;" , |
490 | getStyleWithColumns(40)); |
491 | verifyFormat("return aaaaaaaaaaaaaaaaaaa()\n" |
492 | " .bbbbbbbbbbbbbbbbbbb()\n" |
493 | " .ccccccccccccccccccc();" , |
494 | getStyleWithColumns(40)); |
495 | verifyFormat("return aaaaaaaaaaaaaaaaaaa()\n" |
496 | " .bbbbbbbbbbbbbbbbbbb(\n" |
497 | " ccccccccccccccc)\n" |
498 | " .ccccccccccccccccccc();" , |
499 | getStyleWithColumns(40)); |
500 | } |
501 | |
502 | TEST_F(FormatTestJava, FormatsInnerBlocks) { |
503 | verifyFormat("someObject.someFunction(new Runnable() {\n" |
504 | " @Override\n" |
505 | " public void run() {\n" |
506 | " System.out.println(42);\n" |
507 | " }\n" |
508 | "}, someOtherParameter);" ); |
509 | verifyFormat("someFunction(new Runnable() {\n" |
510 | " public void run() {\n" |
511 | " System.out.println(42);\n" |
512 | " }\n" |
513 | "});" ); |
514 | verifyFormat("someObject.someFunction(\n" |
515 | " new Runnable() {\n" |
516 | " @Override\n" |
517 | " public void run() {\n" |
518 | " System.out.println(42);\n" |
519 | " }\n" |
520 | " },\n" |
521 | " new Runnable() {\n" |
522 | " @Override\n" |
523 | " public void run() {\n" |
524 | " System.out.println(43);\n" |
525 | " }\n" |
526 | " },\n" |
527 | " someOtherParameter);" ); |
528 | } |
529 | |
530 | TEST_F(FormatTestJava, FormatsLambdas) { |
531 | verifyFormat("(aaaaaaaaaa, bbbbbbbbbb) -> aaaaaaaaaa + bbbbbbbbbb;" ); |
532 | verifyFormat("(aaaaaaaaaa, bbbbbbbbbb)\n" |
533 | " -> aaaaaaaaaa + bbbbbbbbbb;" , |
534 | getStyleWithColumns(40)); |
535 | verifyFormat("Runnable someLambda = () -> DoSomething();" ); |
536 | verifyFormat("Runnable someLambda = () -> {\n" |
537 | " DoSomething();\n" |
538 | "}" ); |
539 | |
540 | verifyFormat("Runnable someLambda =\n" |
541 | " (int aaaaa) -> DoSomething(aaaaa);" , |
542 | getStyleWithColumns(40)); |
543 | } |
544 | |
545 | TEST_F(FormatTestJava, BreaksStringLiterals) { |
546 | verifyFormat("x = \"some text \"\n" |
547 | " + \"other\";" , |
548 | "x = \"some text other\";" , getStyleWithColumns(18)); |
549 | } |
550 | |
551 | TEST_F(FormatTestJava, AlignsBlockComments) { |
552 | EXPECT_EQ("/*\n" |
553 | " * Really multi-line\n" |
554 | " * comment.\n" |
555 | " */\n" |
556 | "void f() {}" , |
557 | format(" /*\n" |
558 | " * Really multi-line\n" |
559 | " * comment.\n" |
560 | " */\n" |
561 | " void f() {}" )); |
562 | } |
563 | |
564 | TEST_F(FormatTestJava, AlignDeclarations) { |
565 | FormatStyle Style = getLLVMStyle(Language: FormatStyle::LK_Java); |
566 | Style.AlignConsecutiveDeclarations.Enabled = true; |
567 | verifyFormat("private final String[] args;\n" |
568 | "private final A_ParserHelper parserHelper;\n" |
569 | "private final int numOfCmdArgs;\n" |
570 | "private int numOfCmdArgs;\n" |
571 | "private String[] args;" , |
572 | Style); |
573 | } |
574 | |
575 | TEST_F(FormatTestJava, KeepsDelimitersOnOwnLineInJavaDocComments) { |
576 | EXPECT_EQ("/**\n" |
577 | " * javadoc line 1\n" |
578 | " * javadoc line 2\n" |
579 | " */" , |
580 | format("/** javadoc line 1\n" |
581 | " * javadoc line 2 */" )); |
582 | } |
583 | |
584 | TEST_F(FormatTestJava, RetainsLogicalShifts) { |
585 | verifyFormat("void f() {\n" |
586 | " int a = 1;\n" |
587 | " a >>>= 1;\n" |
588 | "}" ); |
589 | verifyFormat("void f() {\n" |
590 | " int a = 1;\n" |
591 | " a = a >>> 1;\n" |
592 | "}" ); |
593 | } |
594 | |
595 | TEST_F(FormatTestJava, ShortFunctions) { |
596 | FormatStyle Style = getLLVMStyle(Language: FormatStyle::LK_Java); |
597 | Style.AllowShortFunctionsOnASingleLine = FormatStyle::SFS_Inline; |
598 | verifyFormat("enum Enum {\n" |
599 | " E1,\n" |
600 | " E2;\n" |
601 | " void f() { return; }\n" |
602 | "}" , |
603 | Style); |
604 | } |
605 | |
606 | TEST_F(FormatTestJava, ConfigurableSpacesInSquareBrackets) { |
607 | FormatStyle Spaces = getLLVMStyle(Language: FormatStyle::LK_Java); |
608 | |
609 | verifyFormat("Object[] arguments" , Spaces); |
610 | verifyFormat("final Class<?>[] types = new Class<?>[numElements];" , Spaces); |
611 | verifyFormat("types[i] = arguments[i].getClass();" , Spaces); |
612 | |
613 | Spaces.SpacesInSquareBrackets = true; |
614 | |
615 | verifyFormat("Object[ ] arguments" , Spaces); |
616 | verifyFormat("final Class<?>[ ] types = new Class<?>[ numElements ];" , |
617 | Spaces); |
618 | verifyFormat("types[ i ] = arguments[ i ].getClass();" , Spaces); |
619 | } |
620 | |
621 | } // namespace |
622 | } // namespace test |
623 | } // namespace format |
624 | } // namespace clang |
625 | |