Add test examples for non-ideal situations

core/src/test/java/com/facebook/ktfmt/format/GoogleStyleFormatterKtTest.kt

@@ -587,6 +587,116 @@ class GoogleStyleFormatterKtTest {
               .trimMargin(),
       )
 
+    @Test
+    fun `Trailing comma forces variable value in list onto new line with manageTrailingCommas turned off`() =
+        assertFormatted(
+            """
+            val aVar =
+                setOf(
+                    Env.Dev,
+                    Env.Prod,
+                )
+            val aVar = setOf(Env.Dev, Env.Prod)
+
+            """.trimIndent(),
+            formattingOptions = FormattingOptions(
+                blockIndent = 4,
+                continuationIndent = 4,
+                manageTrailingCommas = false
+            ),
+            deduceMaxWidth = false,
+        )
+
+    @Test
+    fun `nested functions, maps, and statements in named parameters`() =
+        assertFormatted(
+            """
+            /////////////////////////////////////////////////////////////////////
+            function(
+                param =
+                    (rate downTo min step step).drop(1).map {
+                        nestedFun(
+                            rate =
+                                rate(
+                                    value =
+                                        firstArg<Input>().info.get(0).rate.value
+                                )
+                        )
+                    }
+            )
+
+            """.trimIndent(),
+            formattingOptions = Formatter.KOTLINLANG_FORMAT,
+            deduceMaxWidth = true,
+        )
+
+    @Test
+    fun `complex calls and calculation in named parameters with wrapping`() =
+        assertFormatted(
+            """
+            ////////////////////////////////////////////////////
+            calculateMath(
+                r =
+                    apr.sc(10) /
+                        BigDecimal(100) /
+                        BigDecimal(12),
+                n = 12 * term,
+                numerator =
+                    ((BigDecimal.ONE + r).pow(n)) -
+                        BigDecimal.ONE,
+                denominator = r * (BigDecimal.ONE + r).pow(n),
+            )
+
+            """.trimIndent(),
+            formattingOptions = Formatter.KOTLINLANG_FORMAT,
+            deduceMaxWidth = true,
+        )
+
+    @Test
+    fun `complex calls and calculation in named parameters without wrapping`() =
+        assertFormatted(
+            """
+            calculateMath(
+                r = apr.sc(10) / BigDecimal(100) / BigDecimal(12),
+                n = 12 * term,
+                numerator = ((BigDecimal.ONE + r).pow(n)) - BigDecimal.ONE,
+                denominator = r * (BigDecimal.ONE + r).pow(n),
+            )
+
+            """.trimIndent(),
+            formattingOptions = Formatter.KOTLINLANG_FORMAT,
+            deduceMaxWidth = false,
+        )
+
+    @Test
+    fun `long call chains in named parameters`() =
+        assertFormatted(
+            """
+            |/////////////////////////////////////////////////
+            |declareOne(
+            |  kind = DeclarationKind.FIELD,
+            |  modifiers = property.modifierList,
+            |  valOrVarKeyword =
+            |    property.valOrVarKeyword.text,
+            |  multiline =
+            |    property.one.two.three.four.five.six.seven
+            |      .eight
+            |      .nine
+            |      .ten,
+            |  typeParametersBlaBla =
+            |    property.typeParameterList,
+            |  receiver = property.receiverTypeReference,
+            |  name = property.nameIdentifier?.text,
+            |  type = property.typeReference,
+            |  typeConstraintList =
+            |    property.typeConstraintList,
+            |  delegate = property.delegate,
+            |  initializer = property.initializer,
+            |)
+            |""".trimMargin(),
+            formattingOptions = Formatter.GOOGLE_FORMAT,
+            deduceMaxWidth = true)
+
   @Test
   fun `Arguments are blocks`() =
       assertFormatted(