Thodoris Sotiropoulos created GROOVY-10912:
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Summary: Inconsistency in the treatment of primitives values when
passed as call arguments
Key: GROOVY-10912
URL: https://issues.apache.org/jira/browse/GROOVY-10912
Project: Groovy
Issue Type: Bug
Components: Static Type Checker
Reporter: Thodoris Sotiropoulos
I have the following program
{code}
class Test {
void test() {
char c = 'c' // works
double e = 10.0; // works
Character v = Character.valueOf('c'); // 'c' is treated as String
Double d = Double.valueOf(10.0); // 10.0 is treated as BigDecimal
}
}
{code}
h3. Actual behavior
{code}
org.codehaus.groovy.control.MultipleCompilationErrorsException: startup failed:
test.groovy: 4: [Static type checking] - Cannot find matching method
java.lang.Character#valueOf(java.lang.String). Please check if the declared
type is correct and if the method exists.
@ line 4, column 21.
Character v = Character.valueOf('c');
^
test.groovy: 5: [Static type checking] - Cannot find matching method
java.lang.Double#valueOf(java.math.BigDecimal). Please check if the declared
type is correct and if the method exists.
@ line 5, column 18.
Double d = Double.valueOf(10.0);
^
2 errors
{code}
h3. Expected behavior
Compile successfully
Tested against master (commit: 89de534b77e2321d46e6a9821628331693c7aae2)
The above test case demonstrates an inconsistency in the treatment of primitive
values. For example, the constant "10.0" is treated as something of type
double when the constant is assigned to a double variable. However, the same
constant is not treated as something of type double when it is passed as
argument to a function parameter of type double.
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