Add tests for string character arrays and enhance string processing functionality

[bobzhang]

No description provided.

[peter-jerry-ye-code-review]

Test case description could be more descriptive

Category
Maintainability
Code Snippet
test "string chars array" {
Recommendation
Rename test to better describe what's being tested, e.g. "test "string creation from character array" {"
Reasoning
The current test name is vague. A more descriptive name would make it clearer what functionality is being tested.

Test variables could have more meaningful names

Category
Maintainability
Code Snippet
let v0 : String = ['a', ..'x']
let v : String = ['a', 'b']
Recommendation
Use descriptive variable names like str_with_concat and str_from_chars
Reasoning
Variable names v0 and v don't convey their purpose. More descriptive names would make the test more readable and maintainable.

Test case might be incomplete

Category
Correctness
Code Snippet
let v0 : String = ['a', ..'x']
assert_true!(v0 is "ax")
Recommendation
Add more test cases with different patterns and edge cases, such as empty strings, multiple concatenations, and special characters
Reasoning
The test only covers basic cases. Adding more diverse test cases would ensure the feature works correctly in all scenarios.

[coveralls]

Pull Request Test Coverage Report for Build 6915

Details

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 92.454%

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Totals
Change from base Build 6912:	0.0%
Covered Lines:	8687
Relevant Lines:	9396

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💛 - Coveralls