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   [_model release];
  37   [super tearDown];
  38 }
  39
  40 - (NSMutableArray<StackFrame*>*)mutableStack {
  41   return (NSMutableArray<StackFrame*>*)_model.stack;
  42 }
  43
  44 - (StackFrame*)makeStackFrameForFile:(NSString*)file
  45                               atLine:(NSUInteger)line
  46                           stackIndex:(NSUInteger)index {
  47   StackFrame* frame = [[[StackFrame alloc] init] autorelease];
  48   frame.filename = file;
  49   frame.lineNumber = line;
  50   frame.index = index;
  51   return frame;
  52 }
  53
  54 - (NSArray<StackFrame*>*)initialStack {
  55   NSArray<StackFrame*>* initialStack = @[
  56     [self makeStackFrameForFile:@"/top/frame" atLine:12 stackIndex:0],
  57     [self makeStackFrameForFile:@"/middle/frame" atLine:44 stackIndex:1],
  58     [self makeStackFrameForFile:@"/bottom/frame" atLine:1 stackIndex:2]
  59   ];
  60   initialStack[0].loaded = YES;
  61   initialStack[1].loaded = YES;
  62   initialStack[2].loaded = YES;
  63   return initialStack;
  64 }
  65
  66 - (void)testEmptyStackReplace {
  67   XCTAssertEqual(0u, _model.stackDepth);
  68   NSArray* stack = [self initialStack];
  69   [_model updateStack:stack];
  70   XCTAssertEqual(3u, _model.stackDepth);
  71   XCTAssertEqualObjects(stack, _model.stack);
  72 }
  73
  74 - (void)testReplaceTopFrame {
  75   NSArray<StackFrame*>* initialStack = [self initialStack];
  76   [[self mutableStack] addObjectsFromArray:initialStack];
  77   XCTAssertEqual(3u, _model.stackDepth);
  78
  79   NSArray<StackFrame*>* replacementStack = @[
  80     [self makeStackFrameForFile:@"/top/frame" atLine:999 stackIndex:0],
  81     initialStack[1],
  82     initialStack[2]
  83   ];
  84   [_model updateStack:replacementStack];
  85   XCTAssertEqualObjects(replacementStack, _model.stack);
  86   XCTAssertFalse(_model.stack[0].loaded);
  87   XCTAssertEqual(0u, _model.stack[0].index);
  88   XCTAssertTrue(_model.stack[1].loaded);
  89   XCTAssertEqual(1u, _model.stack[1].index);
  90   XCTAssertTrue(_model.stack[2].loaded);
  91   XCTAssertEqual(2u, _model.stack[2].index);
  92 }
  93
  94 - (void)testAddNewTopFrame {
  95   [_model updateStack:[self initialStack]];
  96   XCTAssertEqual(3u, _model.stackDepth);
  97
  98   NSMutableArray<StackFrame*>* replacementStack = [NSMutableArray arrayWithArray:[self initialStack]];
  99   [replacementStack insertObject:[self makeStackFrameForFile:@"/top/new" atLine:44 stackIndex:0]
 100                          atIndex:0];
 101   replacementStack[1].index = 1;
 102   replacementStack[2].index = 2;
 103   replacementStack[3].index = 3;
 104
 105   [_model updateStack:replacementStack];
 106   XCTAssertEqual(4u, _model.stackDepth);
 107   XCTAssertEqualObjects(replacementStack, _model.stack);
 108   XCTAssertFalse(_model.stack[0].loaded);
 109   XCTAssertEqual(0u, _model.stack[0].index);
 110   XCTAssertTrue(_model.stack[1].loaded);
 111   XCTAssertEqual(1u, _model.stack[1].index);
 112   XCTAssertTrue(_model.stack[2].loaded);
 113   XCTAssertEqual(2u, _model.stack[2].index);
 114 }
 115
 116 - (void)testRemoveTopFrame {
 117   NSArray* initialStack = [self initialStack];
 118   [_model updateStack:initialStack];
 119   XCTAssertEqual(3u, _model.stackDepth);
 120
 121   [_model updateStack:[initialStack subarrayWithRange:NSMakeRange(1, 2)]];
 122   XCTAssertEqual(2u, _model.stackDepth);
 123   XCTAssertTrue(_model.stack[0].loaded);
 124   XCTAssertEqual(0u, _model.stack[0].index);
 125   XCTAssertTrue(_model.stack[1].loaded);
 126   XCTAssertEqual(1u, _model.stack[1].index);
 127 }
 128
 129 - (void)testClearStack {
 130   [_model updateStack:[self initialStack]];
 131   XCTAssertEqual(3u, _model.stackDepth);
 132   [_model updateStack:@[]];
 133   XCTAssertEqual(0u, _model.stackDepth);
 134 }
 135
 136 @end