llvm-project/clang/unittests/Format/FormatTestObjC.cpp

827 lines
29 KiB
C++

//===- unittest/Format/FormatTestObjC.cpp - Formatting unit tests----------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "clang/Format/Format.h"
#include "../Tooling/ReplacementTest.h"
#include "FormatTestUtils.h"
#include "clang/Frontend/TextDiagnosticPrinter.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/MemoryBuffer.h"
#include "gtest/gtest.h"
#define DEBUG_TYPE "format-test"
using clang::tooling::ReplacementTest;
using clang::tooling::toReplacements;
namespace clang {
namespace format {
namespace {
class FormatTestObjC : public ::testing::Test {
protected:
FormatTestObjC() {
Style = getLLVMStyle();
Style.Language = FormatStyle::LK_ObjC;
}
enum IncompleteCheck {
IC_ExpectComplete,
IC_ExpectIncomplete,
IC_DoNotCheck
};
std::string format(llvm::StringRef Code,
IncompleteCheck CheckIncomplete = IC_ExpectComplete) {
DEBUG(llvm::errs() << "---\n");
DEBUG(llvm::errs() << Code << "\n\n");
std::vector<tooling::Range> Ranges(1, tooling::Range(0, Code.size()));
bool IncompleteFormat = false;
tooling::Replacements Replaces =
reformat(Style, Code, Ranges, "<stdin>", &IncompleteFormat);
if (CheckIncomplete != IC_DoNotCheck) {
bool ExpectedIncompleteFormat = CheckIncomplete == IC_ExpectIncomplete;
EXPECT_EQ(ExpectedIncompleteFormat, IncompleteFormat) << Code << "\n\n";
}
auto Result = applyAllReplacements(Code, Replaces);
EXPECT_TRUE(static_cast<bool>(Result));
DEBUG(llvm::errs() << "\n" << *Result << "\n\n");
return *Result;
}
void verifyFormat(StringRef Code) {
EXPECT_EQ(Code.str(), format(test::messUp(Code)));
}
void verifyIncompleteFormat(StringRef Code) {
EXPECT_EQ(Code.str(), format(test::messUp(Code), IC_ExpectIncomplete));
}
FormatStyle Style;
};
TEST(FormatTestObjCStyle, DetectsObjCInHeaders) {
auto Style = getStyle("LLVM", "a.h", "none", "@interface\n"
"- (id)init;");
ASSERT_TRUE((bool)Style);
EXPECT_EQ(FormatStyle::LK_ObjC, Style->Language);
Style = getStyle("LLVM", "a.h", "none", "@interface\n"
"+ (id)init;");
ASSERT_TRUE((bool)Style);
EXPECT_EQ(FormatStyle::LK_ObjC, Style->Language);
// No recognizable ObjC.
Style = getStyle("LLVM", "a.h", "none", "void f() {}");
ASSERT_TRUE((bool)Style);
EXPECT_EQ(FormatStyle::LK_Cpp, Style->Language);
}
TEST_F(FormatTestObjC, FormatObjCTryCatch) {
verifyFormat("@try {\n"
" f();\n"
"} @catch (NSException e) {\n"
" @throw;\n"
"} @finally {\n"
" exit(42);\n"
"}");
verifyFormat("DEBUG({\n"
" @try {\n"
" } @finally {\n"
" }\n"
"});\n");
}
TEST_F(FormatTestObjC, FormatObjCAutoreleasepool) {
verifyFormat("@autoreleasepool {\n"
" f();\n"
"}\n"
"@autoreleasepool {\n"
" f();\n"
"}\n");
Style.BreakBeforeBraces = FormatStyle::BS_Allman;
verifyFormat("@autoreleasepool\n"
"{\n"
" f();\n"
"}\n"
"@autoreleasepool\n"
"{\n"
" f();\n"
"}\n");
}
TEST_F(FormatTestObjC, FormatObjCInterface) {
verifyFormat("@interface Foo : NSObject <NSSomeDelegate> {\n"
"@public\n"
" int field1;\n"
"@protected\n"
" int field2;\n"
"@private\n"
" int field3;\n"
"@package\n"
" int field4;\n"
"}\n"
"+ (id)init;\n"
"@end");
verifyFormat("@interface /* wait for it */ Foo\n"
"+ (id)init;\n"
"// Look, a comment!\n"
"- (int)answerWith:(int)i;\n"
"@end");
verifyFormat("@interface Foo\n"
"@end\n"
"@interface Bar\n"
"@end");
verifyFormat("@interface Foo : Bar\n"
"+ (id)init;\n"
"@end");
verifyFormat("@interface Foo : /**/ Bar /**/ <Baz, /**/ Quux>\n"
"+ (id)init;\n"
"@end");
verifyFormat("@interface Foo (HackStuff)\n"
"+ (id)init;\n"
"@end");
verifyFormat("@interface Foo ()\n"
"+ (id)init;\n"
"@end");
verifyFormat("@interface Foo (HackStuff) <MyProtocol>\n"
"+ (id)init;\n"
"@end");
verifyFormat("@interface Foo {\n"
" int _i;\n"
"}\n"
"+ (id)init;\n"
"@end");
verifyFormat("@interface Foo : Bar {\n"
" int _i;\n"
"}\n"
"+ (id)init;\n"
"@end");
verifyFormat("@interface Foo : Bar <Baz, Quux> {\n"
" int _i;\n"
"}\n"
"+ (id)init;\n"
"@end");
verifyFormat("@interface Foo (HackStuff) {\n"
" int _i;\n"
"}\n"
"+ (id)init;\n"
"@end");
verifyFormat("@interface Foo () {\n"
" int _i;\n"
"}\n"
"+ (id)init;\n"
"@end");
verifyFormat("@interface Foo (HackStuff) <MyProtocol> {\n"
" int _i;\n"
"}\n"
"+ (id)init;\n"
"@end");
Style = getGoogleStyle(FormatStyle::LK_ObjC);
verifyFormat("@interface Foo : NSObject<NSSomeDelegate> {\n"
" @public\n"
" int field1;\n"
" @protected\n"
" int field2;\n"
" @private\n"
" int field3;\n"
" @package\n"
" int field4;\n"
"}\n"
"+ (id)init;\n"
"@end");
verifyFormat("@interface Foo : Bar<Baz, Quux>\n"
"+ (id)init;\n"
"@end");
verifyFormat("@interface Foo (HackStuff)<MyProtocol>\n"
"+ (id)init;\n"
"@end");
Style.BinPackParameters = false;
Style.ColumnLimit = 80;
verifyFormat("@interface aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa ()<\n"
" aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa,\n"
" aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa,\n"
" aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa,\n"
" aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa> {\n"
"}");
}
TEST_F(FormatTestObjC, FormatObjCImplementation) {
verifyFormat("@implementation Foo : NSObject {\n"
"@public\n"
" int field1;\n"
"@protected\n"
" int field2;\n"
"@private\n"
" int field3;\n"
"@package\n"
" int field4;\n"
"}\n"
"+ (id)init {\n}\n"
"@end");
verifyFormat("@implementation Foo\n"
"+ (id)init {\n"
" if (true)\n"
" return nil;\n"
"}\n"
"// Look, a comment!\n"
"- (int)answerWith:(int)i {\n"
" return i;\n"
"}\n"
"+ (int)answerWith:(int)i {\n"
" return i;\n"
"}\n"
"@end");
verifyFormat("@implementation Foo\n"
"@end\n"
"@implementation Bar\n"
"@end");
EXPECT_EQ("@implementation Foo : Bar\n"
"+ (id)init {\n}\n"
"- (void)foo {\n}\n"
"@end",
format("@implementation Foo : Bar\n"
"+(id)init{}\n"
"-(void)foo{}\n"
"@end"));
verifyFormat("@implementation Foo {\n"
" int _i;\n"
"}\n"
"+ (id)init {\n}\n"
"@end");
verifyFormat("@implementation Foo : Bar {\n"
" int _i;\n"
"}\n"
"+ (id)init {\n}\n"
"@end");
verifyFormat("@implementation Foo (HackStuff)\n"
"+ (id)init {\n}\n"
"@end");
verifyFormat("@implementation ObjcClass\n"
"- (void)method;\n"
"{}\n"
"@end");
Style = getGoogleStyle(FormatStyle::LK_ObjC);
verifyFormat("@implementation Foo : NSObject {\n"
" @public\n"
" int field1;\n"
" @protected\n"
" int field2;\n"
" @private\n"
" int field3;\n"
" @package\n"
" int field4;\n"
"}\n"
"+ (id)init {\n}\n"
"@end");
}
TEST_F(FormatTestObjC, FormatObjCProtocol) {
verifyFormat("@protocol Foo\n"
"@property(weak) id delegate;\n"
"- (NSUInteger)numberOfThings;\n"
"@end");
verifyFormat("@protocol MyProtocol <NSObject>\n"
"- (NSUInteger)numberOfThings;\n"
"@end");
verifyFormat("@protocol Foo;\n"
"@protocol Bar;\n");
verifyFormat("@protocol Foo\n"
"@end\n"
"@protocol Bar\n"
"@end");
verifyFormat("@protocol myProtocol\n"
"- (void)mandatoryWithInt:(int)i;\n"
"@optional\n"
"- (void)optional;\n"
"@required\n"
"- (void)required;\n"
"@optional\n"
"@property(assign) int madProp;\n"
"@end\n");
verifyFormat("@property(nonatomic, assign, readonly)\n"
" int *looooooooooooooooooooooooooooongNumber;\n"
"@property(nonatomic, assign, readonly)\n"
" NSString *looooooooooooooooooooooooooooongName;");
verifyFormat("@implementation PR18406\n"
"}\n"
"@end");
Style = getGoogleStyle(FormatStyle::LK_ObjC);
verifyFormat("@protocol MyProtocol<NSObject>\n"
"- (NSUInteger)numberOfThings;\n"
"@end");
}
TEST_F(FormatTestObjC, FormatObjCMethodDeclarations) {
verifyFormat("- (void)doSomethingWith:(GTMFoo *)theFoo\n"
" rect:(NSRect)theRect\n"
" interval:(float)theInterval {\n"
"}");
verifyFormat("- (void)shortf:(GTMFoo *)theFoo\n"
" longKeyword:(NSRect)theRect\n"
" longerKeyword:(float)theInterval\n"
" error:(NSError **)theError {\n"
"}");
verifyFormat("- (void)shortf:(GTMFoo *)theFoo\n"
" longKeyword:(NSRect)theRect\n"
" evenLongerKeyword:(float)theInterval\n"
" error:(NSError **)theError {\n"
"}");
Style.ColumnLimit = 60;
verifyFormat("- (instancetype)initXxxxxx:(id<x>)x\n"
" y:(id<yyyyyyyyyyyyyyyyyyyy>)y\n"
" NS_DESIGNATED_INITIALIZER;");
verifyFormat("- (void)drawRectOn:(id)surface\n"
" ofSize:(size_t)height\n"
" :(size_t)width;");
// Continuation indent width should win over aligning colons if the function
// name is long.
Style = getGoogleStyle(FormatStyle::LK_ObjC);
Style.ColumnLimit = 40;
Style.IndentWrappedFunctionNames = true;
verifyFormat("- (void)shortf:(GTMFoo *)theFoo\n"
" dontAlignNamef:(NSRect)theRect {\n"
"}");
// Make sure we don't break aligning for short parameter names.
verifyFormat("- (void)shortf:(GTMFoo *)theFoo\n"
" aShortf:(NSRect)theRect {\n"
"}");
// Format pairs correctly.
Style.ColumnLimit = 80;
verifyFormat("- (void)drawRectOn:(id)surface\n"
" ofSize:(aaaaaaaa)height\n"
" :(size_t)width\n"
" atOrigin:(size_t)x\n"
" :(size_t)y\n"
" aaaaa:(a)yyy\n"
" bbb:(d)cccc;");
verifyFormat("- (void)drawRectOn:(id)surface ofSize:(aaa)height:(bbb)width;");
}
TEST_F(FormatTestObjC, FormatObjCMethodExpr) {
verifyFormat("[foo bar:baz];");
verifyFormat("return [foo bar:baz];");
verifyFormat("return (a)[foo bar:baz];");
verifyFormat("f([foo bar:baz]);");
verifyFormat("f(2, [foo bar:baz]);");
verifyFormat("f(2, a ? b : c);");
verifyFormat("[[self initWithInt:4] bar:[baz quux:arrrr]];");
// Unary operators.
verifyFormat("int a = +[foo bar:baz];");
verifyFormat("int a = -[foo bar:baz];");
verifyFormat("int a = ![foo bar:baz];");
verifyFormat("int a = ~[foo bar:baz];");
verifyFormat("int a = ++[foo bar:baz];");
verifyFormat("int a = --[foo bar:baz];");
verifyFormat("int a = sizeof [foo bar:baz];");
verifyFormat("int a = alignof [foo bar:baz];");
verifyFormat("int a = &[foo bar:baz];");
verifyFormat("int a = *[foo bar:baz];");
// FIXME: Make casts work, without breaking f()[4].
// verifyFormat("int a = (int)[foo bar:baz];");
// verifyFormat("return (int)[foo bar:baz];");
// verifyFormat("(void)[foo bar:baz];");
verifyFormat("return (MyType *)[self.tableView cellForRowAtIndexPath:cell];");
// Binary operators.
verifyFormat("[foo bar:baz], [foo bar:baz];");
verifyFormat("[foo bar:baz] = [foo bar:baz];");
verifyFormat("[foo bar:baz] *= [foo bar:baz];");
verifyFormat("[foo bar:baz] /= [foo bar:baz];");
verifyFormat("[foo bar:baz] %= [foo bar:baz];");
verifyFormat("[foo bar:baz] += [foo bar:baz];");
verifyFormat("[foo bar:baz] -= [foo bar:baz];");
verifyFormat("[foo bar:baz] <<= [foo bar:baz];");
verifyFormat("[foo bar:baz] >>= [foo bar:baz];");
verifyFormat("[foo bar:baz] &= [foo bar:baz];");
verifyFormat("[foo bar:baz] ^= [foo bar:baz];");
verifyFormat("[foo bar:baz] |= [foo bar:baz];");
verifyFormat("[foo bar:baz] ? [foo bar:baz] : [foo bar:baz];");
verifyFormat("[foo bar:baz] || [foo bar:baz];");
verifyFormat("[foo bar:baz] && [foo bar:baz];");
verifyFormat("[foo bar:baz] | [foo bar:baz];");
verifyFormat("[foo bar:baz] ^ [foo bar:baz];");
verifyFormat("[foo bar:baz] & [foo bar:baz];");
verifyFormat("[foo bar:baz] == [foo bar:baz];");
verifyFormat("[foo bar:baz] != [foo bar:baz];");
verifyFormat("[foo bar:baz] >= [foo bar:baz];");
verifyFormat("[foo bar:baz] <= [foo bar:baz];");
verifyFormat("[foo bar:baz] > [foo bar:baz];");
verifyFormat("[foo bar:baz] < [foo bar:baz];");
verifyFormat("[foo bar:baz] >> [foo bar:baz];");
verifyFormat("[foo bar:baz] << [foo bar:baz];");
verifyFormat("[foo bar:baz] - [foo bar:baz];");
verifyFormat("[foo bar:baz] + [foo bar:baz];");
verifyFormat("[foo bar:baz] * [foo bar:baz];");
verifyFormat("[foo bar:baz] / [foo bar:baz];");
verifyFormat("[foo bar:baz] % [foo bar:baz];");
// Whew!
verifyFormat("return in[42];");
verifyFormat("for (auto v : in[1]) {\n}");
verifyFormat("for (int i = 0; i < in[a]; ++i) {\n}");
verifyFormat("for (int i = 0; in[a] < i; ++i) {\n}");
verifyFormat("for (int i = 0; i < n; ++i, ++in[a]) {\n}");
verifyFormat("for (int i = 0; i < n; ++i, in[a]++) {\n}");
verifyFormat("for (int i = 0; i < f(in[a]); ++i, in[a]++) {\n}");
verifyFormat("for (id foo in [self getStuffFor:bla]) {\n"
"}");
verifyFormat("[self aaaaa:MACRO(a, b:, c:)];");
verifyFormat("[self aaaaa:(1 + 2) bbbbb:3];");
verifyFormat("[self aaaaa:(Type)a bbbbb:3];");
verifyFormat("[self stuffWithInt:(4 + 2) float:4.5];");
verifyFormat("[self stuffWithInt:a ? b : c float:4.5];");
verifyFormat("[self stuffWithInt:a ? [self foo:bar] : c];");
verifyFormat("[self stuffWithInt:a ? (e ? f : g) : c];");
verifyFormat("[cond ? obj1 : obj2 methodWithParam:param]");
verifyFormat("[button setAction:@selector(zoomOut:)];");
verifyFormat("[color getRed:&r green:&g blue:&b alpha:&a];");
verifyFormat("arr[[self indexForFoo:a]];");
verifyFormat("throw [self errorFor:a];");
verifyFormat("@throw [self errorFor:a];");
verifyFormat("[(id)foo bar:(id)baz quux:(id)snorf];");
verifyFormat("[(id)foo bar:(id) ? baz : quux];");
verifyFormat("4 > 4 ? (id)a : (id)baz;");
// This tests that the formatter doesn't break after "backing" but before ":",
// which would be at 80 columns.
verifyFormat(
"void f() {\n"
" if ((self = [super initWithContentRect:contentRect\n"
" styleMask:styleMask ?: otherMask\n"
" backing:NSBackingStoreBuffered\n"
" defer:YES]))");
verifyFormat(
"[foo checkThatBreakingAfterColonWorksOk:\n"
" [bar ifItDoes:reduceOverallLineLengthLikeInThisCase]];");
verifyFormat("[myObj short:arg1 // Force line break\n"
" longKeyword:arg2 != nil ? arg2 : @\"longKeyword\"\n"
" evenLongerKeyword:arg3 ?: @\"evenLongerKeyword\"\n"
" error:arg4];");
verifyFormat(
"void f() {\n"
" popup_window_.reset([[RenderWidgetPopupWindow alloc]\n"
" initWithContentRect:NSMakeRect(origin_global.x, origin_global.y,\n"
" pos.width(), pos.height())\n"
" styleMask:NSBorderlessWindowMask\n"
" backing:NSBackingStoreBuffered\n"
" defer:NO]);\n"
"}");
verifyFormat("[contentsContainer replaceSubview:[subviews objectAtIndex:0]\n"
" with:contentsNativeView];");
verifyFormat(
"[pboard addTypes:[NSArray arrayWithObject:kBookmarkButtonDragType]\n"
" owner:nillllll];");
verifyFormat(
"[pboard setData:[NSData dataWithBytes:&button length:sizeof(button)]\n"
" forType:kBookmarkButtonDragType];");
verifyFormat("[defaultCenter addObserver:self\n"
" selector:@selector(willEnterFullscreen)\n"
" name:kWillEnterFullscreenNotification\n"
" object:nil];");
verifyFormat("[image_rep drawInRect:drawRect\n"
" fromRect:NSZeroRect\n"
" operation:NSCompositeCopy\n"
" fraction:1.0\n"
" respectFlipped:NO\n"
" hints:nil];");
verifyFormat("[aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n"
" aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa];");
verifyFormat("[aaaaaaaaaaaaaaaaaaaa(aaaaaaaaaaaaaaaaaaaaa)\n"
" aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa];");
verifyFormat("[aaaaaaaaaaaaaaaaaaaaaaa.aaaaaaaa[aaaaaaaaaaaaaaaaaaaaa]\n"
" aaaaaaaaaaaaaaaaaaaaaa];");
verifyFormat(
"scoped_nsobject<NSTextField> message(\n"
" // The frame will be fixed up when |-setMessageText:| is called.\n"
" [[NSTextField alloc] initWithFrame:NSMakeRect(0, 0, 0, 0)]);");
verifyFormat("[self aaaaaa:bbbbbbbbbbbbb\n"
" aaaaaaaaaa:bbbbbbbbbbbbbbbbb\n"
" aaaaa:bbbbbbbbbbb + bbbbbbbbbbbb\n"
" aaaa:bbb];");
verifyFormat("[self param:function( //\n"
" parameter)]");
verifyFormat(
"[self aaaaaaaaaa:aaaaaaaaaaaaaaa | aaaaaaaaaaaaaaa | aaaaaaaaaaaaaaa |\n"
" aaaaaaaaaaaaaaa | aaaaaaaaaaaaaaa | aaaaaaaaaaaaaaa |\n"
" aaaaaaaaaaaaaaa | aaaaaaaaaaaaaaa];");
// Variadic parameters.
verifyFormat(
"NSArray *myStrings = [NSArray stringarray:@\"a\", @\"b\", nil];");
verifyFormat(
"[self aaaaaaaaaaaaa:aaaaaaaaaaaaaaa, aaaaaaaaaaaaaaa, aaaaaaaaaaaaaaa,\n"
" aaaaaaaaaaaaaaa, aaaaaaaaaaaaaaa, aaaaaaaaaaaaaaa,\n"
" aaaaaaaaaaaaaaa, aaaaaaaaaaaaaaa];");
verifyFormat("[self // break\n"
" a:a\n"
" aaa:aaa];");
verifyFormat("bool a = ([aaaaaaaa aaaaa] == aaaaaaaaaaaaaaaaa ||\n"
" [aaaaaaaa aaaaa] == aaaaaaaaaaaaaaaaaaaa);");
// Formats pair-parameters.
verifyFormat("[I drawRectOn:surface ofSize:aa:bbb atOrigin:cc:dd];");
verifyFormat("[I drawRectOn:surface //\n"
" ofSize:aa:bbb\n"
" atOrigin:cc:dd];");
Style.ColumnLimit = 70;
verifyFormat(
"void f() {\n"
" popup_wdow_.reset([[RenderWidgetPopupWindow alloc]\n"
" iniithContentRect:NSMakRet(origin_global.x, origin_global.y,\n"
" pos.width(), pos.height())\n"
" syeMask:NSBorderlessWindowMask\n"
" bking:NSBackingStoreBuffered\n"
" der:NO]);\n"
"}");
Style.ColumnLimit = 60;
verifyFormat("[call aaaaaaaa.aaaaaa.aaaaaaaa.aaaaaaaa.aaaaaaaa.aaaaaaaa\n"
" .aaaaaaaa];"); // FIXME: Indentation seems off.
// FIXME: This violates the column limit.
verifyFormat(
"[aaaaaaaaaaaaaaaaaaaaaaaaa\n"
" aaaaaaaaaaaaaaaaa:aaaaaaaa\n"
" aaa:aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa];");
Style = getChromiumStyle(FormatStyle::LK_ObjC);
Style.ColumnLimit = 80;
verifyFormat(
"void f() {\n"
" popup_window_.reset([[RenderWidgetPopupWindow alloc]\n"
" initWithContentRect:NSMakeRect(origin_global.x, origin_global.y,\n"
" pos.width(), pos.height())\n"
" styleMask:NSBorderlessWindowMask\n"
" backing:NSBackingStoreBuffered\n"
" defer:NO]);\n"
"}");
}
TEST_F(FormatTestObjC, ObjCAt) {
verifyFormat("@autoreleasepool");
verifyFormat("@catch");
verifyFormat("@class");
verifyFormat("@compatibility_alias");
verifyFormat("@defs");
verifyFormat("@dynamic");
verifyFormat("@encode");
verifyFormat("@end");
verifyFormat("@finally");
verifyFormat("@implementation");
verifyFormat("@import");
verifyFormat("@interface");
verifyFormat("@optional");
verifyFormat("@package");
verifyFormat("@private");
verifyFormat("@property");
verifyFormat("@protected");
verifyFormat("@protocol");
verifyFormat("@public");
verifyFormat("@required");
verifyFormat("@selector");
verifyFormat("@synchronized");
verifyFormat("@synthesize");
verifyFormat("@throw");
verifyFormat("@try");
EXPECT_EQ("@interface", format("@ interface"));
// The precise formatting of this doesn't matter, nobody writes code like
// this.
verifyFormat("@ /*foo*/ interface");
}
TEST_F(FormatTestObjC, ObjCSnippets) {
verifyFormat("@autoreleasepool {\n"
" foo();\n"
"}");
verifyFormat("@class Foo, Bar;");
verifyFormat("@compatibility_alias AliasName ExistingClass;");
verifyFormat("@dynamic textColor;");
verifyFormat("char *buf1 = @encode(int *);");
verifyFormat("char *buf1 = @encode(typeof(4 * 5));");
verifyFormat("char *buf1 = @encode(int **);");
verifyFormat("Protocol *proto = @protocol(p1);");
verifyFormat("SEL s = @selector(foo:);");
verifyFormat("@synchronized(self) {\n"
" f();\n"
"}");
verifyFormat("@import foo.bar;\n"
"@import baz;");
verifyFormat("@synthesize dropArrowPosition = dropArrowPosition_;");
verifyFormat("@property(assign, nonatomic) CGFloat hoverAlpha;");
verifyFormat("@property(assign, getter=isEditable) BOOL editable;");
Style = getMozillaStyle();
verifyFormat("@property (assign, getter=isEditable) BOOL editable;");
verifyFormat("@property BOOL editable;");
Style = getWebKitStyle();
verifyFormat("@property (assign, getter=isEditable) BOOL editable;");
verifyFormat("@property BOOL editable;");
Style = getGoogleStyle(FormatStyle::LK_ObjC);
verifyFormat("@synthesize dropArrowPosition = dropArrowPosition_;");
verifyFormat("@property(assign, getter=isEditable) BOOL editable;");
}
TEST_F(FormatTestObjC, ObjCForIn) {
verifyFormat("- (void)test {\n"
" for (NSString *n in arrayOfStrings) {\n"
" foo(n);\n"
" }\n"
"}");
verifyFormat("- (void)test {\n"
" for (NSString *n in (__bridge NSArray *)arrayOfStrings) {\n"
" foo(n);\n"
" }\n"
"}");
}
TEST_F(FormatTestObjC, ObjCLiterals) {
verifyFormat("@\"String\"");
verifyFormat("@1");
verifyFormat("@+4.8");
verifyFormat("@-4");
verifyFormat("@1LL");
verifyFormat("@.5");
verifyFormat("@'c'");
verifyFormat("@true");
verifyFormat("NSNumber *smallestInt = @(-INT_MAX - 1);");
verifyFormat("NSNumber *piOverTwo = @(M_PI / 2);");
verifyFormat("NSNumber *favoriteColor = @(Green);");
verifyFormat("NSString *path = @(getenv(\"PATH\"));");
verifyFormat("[dictionary setObject:@(1) forKey:@\"number\"];");
}
TEST_F(FormatTestObjC, ObjCDictLiterals) {
verifyFormat("@{");
verifyFormat("@{}");
verifyFormat("@{@\"one\" : @1}");
verifyFormat("return @{@\"one\" : @1;");
verifyFormat("@{@\"one\" : @1}");
verifyFormat("@{@\"one\" : @{@2 : @1}}");
verifyFormat("@{\n"
" @\"one\" : @{@2 : @1},\n"
"}");
verifyFormat("@{1 > 2 ? @\"one\" : @\"two\" : 1 > 2 ? @1 : @2}");
verifyIncompleteFormat("[self setDict:@{}");
verifyIncompleteFormat("[self setDict:@{@1 : @2}");
verifyFormat("NSLog(@\"%@\", @{@1 : @2, @2 : @3}[@1]);");
verifyFormat(
"NSDictionary *masses = @{@\"H\" : @1.0078, @\"He\" : @4.0026};");
verifyFormat(
"NSDictionary *settings = @{AVEncoderKey : @(AVAudioQualityMax)};");
verifyFormat("NSDictionary *d = @{\n"
" @\"nam\" : NSUserNam(),\n"
" @\"dte\" : [NSDate date],\n"
" @\"processInfo\" : [NSProcessInfo processInfo]\n"
"};");
verifyFormat(
"@{\n"
" NSFontAttributeNameeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee : "
"regularFont,\n"
"};");
verifyFormat(
"@{\n"
" NSFontAttributeNameeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee :\n"
" reeeeeeeeeeeeeeeeeeeeeeeegularFont,\n"
"};");
// We should try to be robust in case someone forgets the "@".
verifyFormat("NSDictionary *d = {\n"
" @\"nam\" : NSUserNam(),\n"
" @\"dte\" : [NSDate date],\n"
" @\"processInfo\" : [NSProcessInfo processInfo]\n"
"};");
verifyFormat("NSMutableDictionary *dictionary =\n"
" [NSMutableDictionary dictionaryWithDictionary:@{\n"
" aaaaaaaaaaaaaaaaaaaaa : aaaaaaaaaaaaa,\n"
" bbbbbbbbbbbbbbbbbb : bbbbb,\n"
" cccccccccccccccc : ccccccccccccccc\n"
" }];");
// Ensure that casts before the key are kept on the same line as the key.
verifyFormat(
"NSDictionary *d = @{\n"
" (aaaaaaaa id)aaaaaaaaa : (aaaaaaaa id)aaaaaaaaaaaaaaaaaaaaaaaa,\n"
" (aaaaaaaa id)aaaaaaaaaaaaaa : (aaaaaaaa id)aaaaaaaaaaaaaa,\n"
"};");
Style = getGoogleStyle(FormatStyle::LK_ObjC);
verifyFormat(
"@{\n"
" NSFontAttributeNameeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee : "
"regularFont,\n"
"};");
}
TEST_F(FormatTestObjC, ObjCArrayLiterals) {
verifyIncompleteFormat("@[");
verifyFormat("@[]");
verifyFormat(
"NSArray *array = @[ @\" Hey \", NSApp, [NSNumber numberWithInt:42] ];");
verifyFormat("return @[ @3, @[], @[ @4, @5 ] ];");
verifyFormat("NSArray *array = @[ [foo description] ];");
verifyFormat(
"NSArray *some_variable = @[\n"
" aaaa == bbbbbbbbbbb ? @\"aaaaaaaaaaaa\" : @\"aaaaaaaaaaaaaa\",\n"
" @\"aaaaaaaaaaaaaaaaa\",\n"
" @\"aaaaaaaaaaaaaaaaa\",\n"
" @\"aaaaaaaaaaaaaaaaa\",\n"
"];");
verifyFormat(
"NSArray *some_variable = @[\n"
" aaaa == bbbbbbbbbbb ? @\"aaaaaaaaaaaa\" : @\"aaaaaaaaaaaaaa\",\n"
" @\"aaaaaaaaaaaaaaaa\", @\"aaaaaaaaaaaaaaaa\", @\"aaaaaaaaaaaaaaaa\"\n"
"];");
verifyFormat("NSArray *some_variable = @[\n"
" @\"aaaaaaaaaaaaaaaaa\",\n"
" @\"aaaaaaaaaaaaaaaaa\",\n"
" @\"aaaaaaaaaaaaaaaaa\",\n"
" @\"aaaaaaaaaaaaaaaaa\",\n"
"];");
verifyFormat("NSArray *array = @[\n"
" @\"a\",\n"
" @\"a\",\n" // Trailing comma -> one per line.
"];");
// We should try to be robust in case someone forgets the "@".
verifyFormat("NSArray *some_variable = [\n"
" @\"aaaaaaaaaaaaaaaaa\",\n"
" @\"aaaaaaaaaaaaaaaaa\",\n"
" @\"aaaaaaaaaaaaaaaaa\",\n"
" @\"aaaaaaaaaaaaaaaaa\",\n"
"];");
verifyFormat(
"- (NSAttributedString *)attributedStringForSegment:(NSUInteger)segment\n"
" index:(NSUInteger)index\n"
" nonDigitAttributes:\n"
" (NSDictionary *)noDigitAttributes;");
verifyFormat("[someFunction someLooooooooooooongParameter:@[\n"
" NSBundle.mainBundle.infoDictionary[@\"a\"]\n"
"]];");
}
} // end namespace
} // end namespace format
} // end namespace clang