add test cases for #196: no space between sign and digits

Author: PhilippSalvisberg

standalone/src/test/java/com/trivadis/plsql/formatter/settings/tests/rules/A22_no_space_between_sign_and_digits.java

@@ -0,0 +1,54 @@
+package com.trivadis.plsql.formatter.settings.tests.rules;
+
+import com.trivadis.plsql.formatter.settings.ConfiguredTestFormatter;
+import org.junit.jupiter.api.Test;
+
+public class A22_no_space_between_sign_and_digits extends ConfiguredTestFormatter {
+
+    @Test
+    public void insert_negative_number() {
+        var sql = """
+                insert into dept (deptno, dname, loc)
+                values (-1, 'Testing', 'Winterthur');
+                """;
+        formatAndAssert(sql);
+    }
+
+    @Test
+    public void insert_positive_number() {
+        var sql = """
+                insert into dept (deptno, dname, loc)
+                values (+1, 'Testing', 'Winterthur');
+                """;
+        formatAndAssert(sql);
+    }
+
+    @Test
+    public void insert_expression_with_negative_number() {
+        var sql = """
+                insert into dept (deptno, dname, loc)
+                values ((a + b / 2) + -1, 'Testing', 'Winterthur');
+                """;
+        formatAndAssert(sql);
+    }
+
+    @Test
+    public void assignment_with_negative_number() {
+        var sql = """
+                begin
+                   a := b - 1;
+                end;
+                """;
+        formatAndAssert(sql);
+    }
+
+    @Test
+    public void assignment_with_positive_number() {
+        var sql = """
+                begin
+                   x := p1(1) + p1(2) + 17;
+                end;
+                """;
+        formatAndAssert(sql);
+    }
+}