2025 04 16 tests

[thedavidmeister]

Motivation

Solution

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Summary by CodeRabbit

• New Features

  • Added new tests to verify normalization of specific values and to ensure normalization is idempotent.

• Tests

  • Introduced a test for idempotency in normalization, confirming that repeated normalization yields consistent results.
  • Expanded example-based tests to include additional value cases.

[coderabbitai]

Walkthrough

The changes introduce enhancements to the test suite for the normalization logic in LibDecimalFloatImplementation. Specifically, new checks are added to the testExamples function to verify normalization of additional values. A new test function, testIdempotent, is implemented to ensure that the normalization operation is idempotent. Corresponding updates are made to the gas snapshot, reflecting gas usage adjustments and the addition of the new test.

Changes

File(s)	Change Summary
.gas-snapshot	Updated gas usage metrics for LibDecimalFloatImplementationNormalizeTest tests; added entry for testIdempotent.
test/src/lib/implementation/LibDecimalFloatImplementation.normalize.t.sol	Added new checks in testExamples and implemented new testIdempotent function for idempotency verification.

Sequence Diagram(s)

sequenceDiagram
    participant TestRunner
    participant LibDecimalFloatImplementation

    TestRunner->>LibDecimalFloatImplementation: normalize(signedCoefficient, exponent)
    LibDecimalFloatImplementation-->>TestRunner: (normalizedCoefficient1, normalizedExponent1)
    TestRunner->>LibDecimalFloatImplementation: normalize(normalizedCoefficient1, normalizedExponent1)
    LibDecimalFloatImplementation-->>TestRunner: (normalizedCoefficient2, normalizedExponent2)
    TestRunner->>TestRunner: assert (normalizedCoefficient1, normalizedExponent1) == (normalizedCoefficient2, normalizedExponent2)

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📥 Commits

Reviewing files that changed from the base of the PR and between 285bca7 and 9994bcb.

📒 Files selected for processing (2)

• .gas-snapshot (1 hunks)
• test/src/lib/implementation/LibDecimalFloatImplementation.normalize.t.sol (1 hunks)

⏰ Context from checks skipped due to timeout of 90000ms (1)

• GitHub Check: rainix (ubuntu-latest, rainix-sol-test)

🔇 Additional comments (3)

.gas-snapshot (1)

106-109: Gas metrics updated to reflect new test additions and modifications.

The gas snapshot now includes metrics for the newly added testIdempotent function and shows a decrease in gas usage for the extended testExamples function. These changes correctly reflect the modifications made to the test suite.

test/src/lib/implementation/LibDecimalFloatImplementation.normalize.t.sol (2)

46-47: Good test coverage for specific values.

The added test cases verify normalization of concrete values, specifically checking that 42 normalizes to 42e36 with exponent -36, and that 42e36 with exponent -36 is already in normalized form. These examples enrich the test suite with specific corner cases.

---

54-63: Excellent addition of idempotency verification.

The new test function verifies an important mathematical property of the normalization function - that applying normalization multiple times yields the same result as applying it once. This is a critical property for any normalization operation and strengthens confidence in the implementation.

The test correctly:

1. Bounds the exponent within valid ranges
2. Normalizes the input once
3. Normalizes the result again
4. Asserts that both coefficient and exponent remain unchanged after the second normalization

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