codello/mathpad
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Kim Wittenburg
2014-04-20 23:28:42 +02:00
parent 1daec37a25
commit 6f32672b40
2 changed files with 28 additions and 13 deletions
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35
MathPadTests/MPExpressionTests.m
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@@ -18,19 +18,32 @@
@implementation MPExpressionTests
- (void)testInitialization {
MPExpression *emptyExpression = [[MPExpression alloc] init];
MPExpression *stringExpression = [[MPExpression alloc] initWithString:@"1234+5678"];
MPExpression *functionExpression = [[MPExpression alloc] initWithFunction:[[MPFunction alloc] init]];
MPExpression *complexExpression = [[MPExpression alloc] initWithSymbols:@[@"1234", [[MPFunction alloc] init], @"17", [[MPFunction alloc] init]]];
// Test empty expression
MPExpression *testExpression = [[MPExpression alloc] init];
XCTAssertEqual([testExpression numberOfSymbols], 0);
// Test expression with string
testExpression = [[MPExpression alloc] initWithString:@"1234+5678"];
XCTAssertEqual([testExpression numberOfSymbols], 1);
XCTAssertEqualObjects([testExpression symbolAtIndex:0], @"1234+5678");
XCTAssertEqual([emptyExpression numberOfSymbols], 0);
XCTAssertEqual([stringExpression numberOfSymbols], 1);
XCTAssertEqual([functionExpression numberOfSymbols], 1);
XCTAssertEqual([complexExpression numberOfSymbols], 4);
// Test expression with function
testExpression = [[MPExpression alloc] initWithFunction:[[MPFunction alloc] init]];
XCTAssertEqual([testExpression numberOfSymbols], 1);
XCTAssertEqualObjects([testExpression symbolAtIndex:0], [[MPFunction alloc] init]);
XCTAssertEqualObjects([stringExpression symbolAtIndex:0], @"1234+5678");
XCTAssertEqualObjects([functionExpression symbolAtIndex:0], [[MPFunction alloc] init]);
XCTAssertEqualObjects([complexExpression symbolAtIndex:2], @"17");
testExpression = [[MPExpression alloc] initWithSymbols:@[@"1234", [[MPFunction alloc] init], @"17", [[MPFunction alloc] init]]];
XCTAssertEqual([testExpression numberOfSymbols], 4);
XCTAssertEqualObjects([testExpression symbolAtIndex:2], @"17");
// Test expression with subsequent strings
testExpression = [[MPExpression alloc] initWithSymbols:@[@"1234", @"5678"]];
XCTAssertEqual([testExpression numberOfSymbols], 1);
XCTAssertEqualObjects([testExpression symbolAtIndex:0], @"12345678");
// Test expression with only empty string
testExpression = [[MPExpression alloc] initWithString:@""];
XCTAssertEqual([testExpression numberOfSymbols], 0);
}
- (void)testSubexpressions {