mstest-assertions
Skill1 starsChanged 13 days agoMITView on GitHub
Use when fixing MSTEST0037 analyzer warnings or writing MSTest 3.x or 4.x assertions on collections, strings and comparisons. Trigger words - MSTEST0037, Assert.IsTrue to Assert.Contains, expected value first.
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The file
Files
SKILL.md
MSTEST0037: use the specific assertion
| Old | New |
Assert.IsTrue(s.Contains(x)) | Assert.Contains(x, s) |
Assert.IsFalse(s.Contains(x)) | Assert.DoesNotContain(x, s) |
Assert.AreEqual(0, c.Count) | Assert.IsEmpty(c) |
Assert.AreEqual(n, c.Count) | Assert.HasCount(n, c) |
Assert.IsTrue(c.Count > 0) | Assert.IsNotEmpty(c) |
Assert.IsTrue(a < b) | Assert.IsLessThan(b, a) |
Assert.IsTrue(a <= b) | Assert.IsLessThanOrEqualTo(b, a) |
Assert.IsTrue(a > b) | Assert.IsGreaterThan(b, a) |
Assert.IsTrue(a >= b) | Assert.IsGreaterThanOrEqualTo(b, a) |
Assert.IsTrue(s.StartsWith(x)) | Assert.StartsWith(x, s) |
Assert.IsTrue(s.EndsWith(x)) | Assert.EndsWith(x, s) |
Assert.AreEqual(true, x) | Assert.IsTrue(x) |
- The bound, substring or expected value is the first argument and the value under test the second; the optional message stays last.
- Rebuild with
--no-incrementalto see every warning, then run the suite: a swapped pair compiles and fails only when the assertion would have failed.
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