Source/Tests/DebuggerModelTest.m

   1 /*
   2  * MacGDBp
   3  * Copyright (c) 2015, Blue Static <https://www.bluestatic.org>
   4  *
   5  * This program is free software; you can redistribute it and/or modify it under the terms of the GNU
   6  * General Public License as published by the Free Software Foundation; either version 2 of the
   7  * License, or (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without
  10  * even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  11  * General Public License for more details.
  12  *
  13  * You should have received a copy of the GNU General Public License along with this program; if not,
  14  * write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
  15  */
  16
  17 #import <XCTest/XCTest.h>
  18
  19 #import "DebuggerModel.h"
  20 #import "StackFrame.h"
  21
  22 @interface DebuggerModelTest : XCTestCase
  23
  24 @end
  25
  26 @implementation DebuggerModelTest {
  27   DebuggerModel* _model;
  28 }
  29
  30 - (void)setUp {
  31   [super setUp];
  32   _model = [[DebuggerModel alloc] init];
  33 }
  34
  35 - (void)tearDown {
  36   [super tearDown];
  37 }
  38
  39 - (NSMutableArray<StackFrame*>*)mutableStack {
  40   return (NSMutableArray<StackFrame*>*)_model.stack;
  41 }
  42
  43 - (StackFrame*)makeStackFrameForFile:(NSString*)file
  44                               atLine:(NSUInteger)line
  45                           stackIndex:(NSUInteger)index {
  46   StackFrame* frame = [[StackFrame alloc] init];
  47   frame.filename = file;
  48   frame.lineNumber = line;
  49   frame.index = index;
  50   return frame;
  51 }
  52
  53 - (NSArray<StackFrame*>*)initialStack {
  54   NSArray<StackFrame*>* initialStack = @[
  55     [self makeStackFrameForFile:@"/top/frame" atLine:12 stackIndex:0],
  56     [self makeStackFrameForFile:@"/middle/frame" atLine:44 stackIndex:1],
  57     [self makeStackFrameForFile:@"/bottom/frame" atLine:1 stackIndex:2]
  58   ];
  59   initialStack[0].loaded = YES;
  60   initialStack[1].loaded = YES;
  61   initialStack[2].loaded = YES;
  62   return initialStack;
  63 }
  64
  65 - (void)testEmptyStackReplace {
  66   XCTAssertEqual(0u, _model.stackDepth);
  67   NSArray* stack = [self initialStack];
  68   [_model updateStack:stack];
  69   XCTAssertEqual(3u, _model.stackDepth);
  70   XCTAssertEqualObjects(stack, _model.stack);
  71 }
  72
  73 - (void)testReplaceTopFrame {
  74   NSArray<StackFrame*>* initialStack = [self initialStack];
  75   [[self mutableStack] addObjectsFromArray:initialStack];
  76   XCTAssertEqual(3u, _model.stackDepth);
  77
  78   NSArray<StackFrame*>* replacementStack = @[
  79     [self makeStackFrameForFile:@"/top/frame" atLine:999 stackIndex:0],
  80     initialStack[1],
  81     initialStack[2]
  82   ];
  83   [_model updateStack:replacementStack];
  84   XCTAssertEqualObjects(replacementStack, _model.stack);
  85   XCTAssertFalse(_model.stack[0].loaded);
  86   XCTAssertEqual(0u, _model.stack[0].index);
  87   XCTAssertTrue(_model.stack[1].loaded);
  88   XCTAssertEqual(1u, _model.stack[1].index);
  89   XCTAssertTrue(_model.stack[2].loaded);
  90   XCTAssertEqual(2u, _model.stack[2].index);
  91 }
  92
  93 - (void)testAddNewTopFrame {
  94   [_model updateStack:[self initialStack]];
  95   XCTAssertEqual(3u, _model.stackDepth);
  96
  97   NSMutableArray<StackFrame*>* replacementStack = [NSMutableArray arrayWithArray:[self initialStack]];
  98   [replacementStack insertObject:[self makeStackFrameForFile:@"/top/new" atLine:44 stackIndex:0]
  99                          atIndex:0];
 100   replacementStack[1].index = 1;
 101   replacementStack[2].index = 2;
 102   replacementStack[3].index = 3;
 103
 104   [_model updateStack:replacementStack];
 105   XCTAssertEqual(4u, _model.stackDepth);
 106   XCTAssertEqualObjects(replacementStack, _model.stack);
 107   XCTAssertFalse(_model.stack[0].loaded);
 108   XCTAssertEqual(0u, _model.stack[0].index);
 109   XCTAssertTrue(_model.stack[1].loaded);
 110   XCTAssertEqual(1u, _model.stack[1].index);
 111   XCTAssertTrue(_model.stack[2].loaded);
 112   XCTAssertEqual(2u, _model.stack[2].index);
 113 }
 114
 115 - (void)testRemoveTopFrame {
 116   NSArray* initialStack = [self initialStack];
 117   [_model updateStack:initialStack];
 118   XCTAssertEqual(3u, _model.stackDepth);
 119
 120   [_model updateStack:[initialStack subarrayWithRange:NSMakeRange(1, 2)]];
 121   XCTAssertEqual(2u, _model.stackDepth);
 122   XCTAssertTrue(_model.stack[0].loaded);
 123   XCTAssertEqual(0u, _model.stack[0].index);
 124   XCTAssertTrue(_model.stack[1].loaded);
 125   XCTAssertEqual(1u, _model.stack[1].index);
 126 }
 127
 128 - (void)testClearStack {
 129   [_model updateStack:[self initialStack]];
 130   XCTAssertEqual(3u, _model.stackDepth);
 131   [_model updateStack:@[]];
 132   XCTAssertEqual(0u, _model.stackDepth);
 133 }
 134
 135 @end