Pact DSL throws NPE when setting an stringType with example set to null

[iekdosha]

I am using consumer version 4.4.7.

Running this code:

String value = null;
new PactDslJsonBody()
      .stringType("myField", value)

will produce NPE:

java.lang.NullPointerException: Cannot invoke "String.toCharArray()" because "examples[0]" is null

It looks like in file PactDslJsonBody.kt method fun stringType(name: String, vararg examples: String): PactDslJsonBody there is not null check before accessing the value:

is JsonValue.Object -> body.add(name, JsonValue.StringValue(examples[0].toCharArray()))

[github-actions]

👋 Hi! The 'smartbear-supported' label has just been added to this issue, which will create an internal tracking ticket in PactFlow's Jira (PACT-888). We will use this to prioritise and assign a team member to this task. All activity will be public on this ticket. For now, sit tight and we'll update this ticket once we have more information on the next steps.

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[rholshausen]

I've updated the DSL to throw IllegalArgumentException instead of NullPointerException