I have some differences between these 2 versions on test coverage across
packages.
I don't know if it's a bug or a new behavior.
In 1.23.8, a test run in one package also report coverage of functions used
in other package. It's not the case with 1.24.10.
Example:
version 1.23.8
E:\\coverTest>go1.23.8.exe test -v test/test/pkg2 test/test/pkg1
-coverprofile=coverage.out
test/test/pkg1 coverage: 0.0% of statements
=== RUN TestFunc2
--- PASS: TestFunc2 (0.00s)
=== RUN TestFunc2_ReturnsNonEmptyString
--- PASS: TestFunc2_ReturnsNonEmptyString (0.00s)
=== RUN TestFunc2_ContainsExpectedPrefix
--- PASS: TestFunc2_ContainsExpectedPrefix (0.00s)
PASS
coverage: 100.0% of statements
ok test/test/pkg2 1.025s coverage: 100.0% of statements
E:\coverTest>go1.23.8.exe tool cover -func coverage.out
*test/test/pkg1/file1.go:3: Func1 100.0%*
test/test/pkg2/file1.go:5: Func2 100.0%
total: (statements) 100.0%
version 1.24.10
E:\coverTest>go1.24.10.exe test -v test/test/pkg2 test/test/pkg1
-coverprofile=coverage.out
=== RUN TestFunc2
--- PASS: TestFunc2 (0.00s)
=== RUN TestFunc2_ReturnsNonEmptyString
--- PASS: TestFunc2_ReturnsNonEmptyString (0.00s)
=== RUN TestFunc2_ContainsExpectedPrefix
--- PASS: TestFunc2_ContainsExpectedPrefix (0.00s)
PASS
coverage: 100.0% of statements
ok test/test/pkg2 0.110s coverage: 100.0% of statements
test/test/pkg1 coverage: 0.0% of statements
E:\coverTest>go1.24.10.exe tool cover -func coverage.out
*test/test/pkg1/file1.go:3: Func1 0.0%*
test/test/pkg2/file1.go:5: Func2 100.0%
total: (statements) 50.0%
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