test: Meta examples

tests/e2e/Examples.kt

@@ -37,6 +37,13 @@ class Examples {
         assertEquals(expected, outStream.toString())
     }
 
+    @ParameterizedTest
+    @MethodSource("meta")
+    fun `Identical output for meta`(inputFile: String, expected: String) {
+        loader.load("examples/meta/$inputFile")
+        assertEquals(expected, outStream.toString())
+    }
+
     @ParameterizedTest
     @MethodSource("other")
     fun `Identical output for other`(inputFile: String, expected: String) {
@@ -57,6 +64,10 @@ class Examples {
         Arguments.of("write.pl", "gpl zegt: dag(wereld)\n"),
     )
 
+    fun meta() = listOf(
+        Arguments.of("mib_voorbeelden.pl", "b\nf(b)\nf(g(a,a),h(c,d),i(e,f))\nf(g(a,a),h(c,c),i(e,f))\nf(g(a,a),h(c,c),i(e,e))\n")
+    )
+
     fun other() = listOf(
         Arguments.of("program.pl", "10\nhello(world)")
     )

tests/parser/grammars/LogicGrammarTests.kt

@@ -32,7 +32,7 @@ class LogicGrammarTests {
         "male(jimmy).",
         "female(mary).",
         "not(not(true)).",
-        "not(a, not(b, c), d, not(not(a)))."
+        "not(a,not(b,c),d,not(not(a)))."
     ])
     fun `parse simple fact`(input: String) {
         val result = parser.parseToEnd(input)

tests/prolog/builtins/IoOperatorsTests.kt

@@ -55,7 +55,7 @@ class IoOperatorsTests {
 
         assertEquals(1, result.size, "Should return one result")
         assertTrue(result[0].isSuccess, "Result should be successful")
-        assertEquals("person(john, doe)", outStream.toString().trim(), "Output should match the structure")
+        assertEquals("person(john,doe)", outStream.toString().trim(), "Output should match the structure")
     }
 
     @Test