AS::Map function improvement (#1642)

* Prefer `reserve` rather than `fill constructor` in AS::map()

`fill constructor` constructs the vector with n elements and initializes each element with its default constructor. Instead, `reserve` just allocates memory, no element is initialized and put into the vector, so it's more effeicent. For example, after running the `result_type res(iterable.size());` statement, the `res` vector's size is equal to `iterable.size()`, but after running the `res.reserve(iterable.size());` statement, the `res` vector's size is 0.

* Add tests for ASLayoutSpecUtilities
This commit is contained in:
Hanton Yang
2019-10-23 11:23:13 -07:00
committed by vovasty
parent a890f75019
commit 0ec2bece8f
3 changed files with 252 additions and 6 deletions
@@ -101,6 +101,7 @@
3917EBD51E9C2FC400D04A01 /* _ASCollectionReusableView.mm in Sources */ = {isa = PBXBuildFile; fileRef = 3917EBD31E9C2FC400D04A01 /* _ASCollectionReusableView.mm */; };
3C9C128519E616EF00E942A0 /* ASTableViewTests.mm in Sources */ = {isa = PBXBuildFile; fileRef = 3C9C128419E616EF00E942A0 /* ASTableViewTests.mm */; };
4080D66C2350384400CDC199 /* ASPINRemoteImageDownloader.h in Headers */ = {isa = PBXBuildFile; fileRef = 68355B391CB57A5A001D4E68 /* ASPINRemoteImageDownloader.h */; settings = {ATTRIBUTES = (Public, ); }; };
407B8BAE2310E2ED00CB979E /* ASLayoutSpecUtilitiesTests.mm in Sources */ = {isa = PBXBuildFile; fileRef = 407B8BAD2310E2ED00CB979E /* ASLayoutSpecUtilitiesTests.mm */; };
471D04B1224CB98600649215 /* ASImageNodeBackingSizeTests.mm in Sources */ = {isa = PBXBuildFile; fileRef = 471D04B0224CB98600649215 /* ASImageNodeBackingSizeTests.mm */; };
4E9127691F64157600499623 /* ASRunLoopQueueTests.mm in Sources */ = {isa = PBXBuildFile; fileRef = 4E9127681F64157600499623 /* ASRunLoopQueueTests.mm */; };
509E68601B3AED8E009B9150 /* ASScrollDirection.mm in Sources */ = {isa = PBXBuildFile; fileRef = 205F0E111B371BD7007741D0 /* ASScrollDirection.mm */; };
@@ -679,6 +680,7 @@
3917EBD21E9C2FC400D04A01 /* _ASCollectionReusableView.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = _ASCollectionReusableView.h; sourceTree = "<group>"; };
3917EBD31E9C2FC400D04A01 /* _ASCollectionReusableView.mm */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.objcpp; path = _ASCollectionReusableView.mm; sourceTree = "<group>"; };
3C9C128419E616EF00E942A0 /* ASTableViewTests.mm */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.objcpp; lineEnding = 0; path = ASTableViewTests.mm; sourceTree = "<group>"; xcLanguageSpecificationIdentifier = xcode.lang.objc; };
407B8BAD2310E2ED00CB979E /* ASLayoutSpecUtilitiesTests.mm */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.cpp.objcpp; path = ASLayoutSpecUtilitiesTests.mm; sourceTree = "<group>"; };
464052191A3F83C40061C0BA /* ASDataController.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; lineEnding = 0; path = ASDataController.h; sourceTree = "<group>"; };
4640521A1A3F83C40061C0BA /* ASDataController.mm */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.objcpp; lineEnding = 0; path = ASDataController.mm; sourceTree = "<group>"; };
4640521B1A3F83C40061C0BA /* ASTableLayoutController.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = ASTableLayoutController.h; sourceTree = "<group>"; };
@@ -1388,6 +1390,7 @@
83A7D95D1D446A6E00BF333E /* ASWeakMapTests.mm */,
CC3B208D1C3F7D0A00798563 /* ASWeakSetTests.mm */,
695BE2541DC1245C008E6EA5 /* ASWrapperSpecSnapshotTests.mm */,
407B8BAD2310E2ED00CB979E /* ASLayoutSpecUtilitiesTests.mm */,
057D02C01AC0A66700C7AC3C /* AsyncDisplayKitTestHost */,
CC583ABF1EF9BAB400134156 /* Common */,
058D09C6195D04C000B7D73C /* Supporting Files */,
@@ -2333,6 +2336,7 @@
ACF6ED601B178DC700DA7C62 /* ASLayoutSpecSnapshotTestsHelper.mm in Sources */,
CC7FD9E11BB5F750005CCB2B /* ASPhotosFrameworkImageRequestTests.mm in Sources */,
052EE0661A159FEF002C6279 /* ASMultiplexImageNodeTests.mm in Sources */,
407B8BAE2310E2ED00CB979E /* ASLayoutSpecUtilitiesTests.mm in Sources */,
058D0A3C195D057000B7D73C /* ASMutableAttributedStringBuilderTests.mm in Sources */,
F325E48C21745F9E00AC93A4 /* ASButtonNodeTests.mm in Sources */,
9692B4FF219E12370060C2C3 /* ASCollectionViewThrashTests.mm in Sources */,