typearea /
dembelo
| @@ 101-107 (lines=7) @@ | ||
| 98 | /** |
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| 99 | * tests undo |
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| 100 | */ |
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| 101 | public function testUndo(): void |
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| 102 | { |
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| 103 | $this->undoStack->add('first'); |
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| 104 | $this->undoStack->add('second'); |
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| 105 | self::assertTrue($this->undoStack->undo()); |
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| 106 | self::assertEquals('first', $this->undoStack->getCurrentItem()); |
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| 107 | } |
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| 108 | ||
| 109 | /** |
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| 110 | * tests undo() to return false when nothing can be undone |
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| @@ 137-144 (lines=8) @@ | ||
| 134 | /** |
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| 135 | * tests redo() |
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| 136 | */ |
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| 137 | public function testRedo(): void |
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| 138 | { |
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| 139 | $this->undoStack->add('first'); |
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| 140 | $this->undoStack->add('second'); |
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| 141 | self::assertTrue($this->undoStack->undo()); |
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| 142 | self::assertTrue($this->undoStack->redo()); |
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| 143 | self::assertEquals('second', $this->undoStack->getCurrentItem()); |
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| 144 | } |
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| 145 | ||
| 146 | /** |
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| 147 | * tests add(), removing future values |
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| @@ 180-187 (lines=8) @@ | ||
| 177 | /** |
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| 178 | * tests duplicate entries avoiding |
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| 179 | */ |
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| 180 | public function testAvoidDuplicateEntries(): void |
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| 181 | { |
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| 182 | $this->undoStack->add('first'); |
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| 183 | $this->undoStack->add('second'); |
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| 184 | $this->undoStack->add('second'); |
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| 185 | self::assertTrue($this->undoStack->undo()); |
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| 186 | self::assertSame('first', $this->undoStack->getCurrentItem()); |
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| 187 | } |
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| 188 | ||
| 189 | /** |
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| 190 | * tests a complex sequence |
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