From dd82e9730e27d0398db51415bb298f7258924bb2 Mon Sep 17 00:00:00 2001
From: Tom Copeland <tomcopeland@users.sourceforge.net>
Date: Fri, 7 Feb 2003 18:50:06 +0000
Subject: [PATCH] Added some tests for CyclomaticComplexityRule

git-svn-id: https://pmd.svn.sourceforge.net/svnroot/pmd/trunk@1408 51baf565-9d33-0410-a72c-fc3788e3496d
---
 .../rules/CyclomaticComplexityRuleTest.java   | 47 ++++++++++++++
 pmd/test-data/CyclomaticComplexity1.java      |  3 +
 pmd/test-data/CyclomaticComplexity2.java      | 64 +++++++++++++++++++
 pmd/test-data/CyclomaticComplexity3.java      |  3 +
 4 files changed, 117 insertions(+)
 create mode 100644 pmd/regress/test/net/sourceforge/pmd/rules/CyclomaticComplexityRuleTest.java
 create mode 100644 pmd/test-data/CyclomaticComplexity1.java
 create mode 100644 pmd/test-data/CyclomaticComplexity2.java
 create mode 100644 pmd/test-data/CyclomaticComplexity3.java

diff --git a/pmd/regress/test/net/sourceforge/pmd/rules/CyclomaticComplexityRuleTest.java b/pmd/regress/test/net/sourceforge/pmd/rules/CyclomaticComplexityRuleTest.java
new file mode 100644
index 0000000000..64bfe4f05e
--- /dev/null
+++ b/pmd/regress/test/net/sourceforge/pmd/rules/CyclomaticComplexityRuleTest.java
@@ -0,0 +1,47 @@
+package test.net.sourceforge.pmd.rules;
+
+import net.sourceforge.pmd.rules.CyclomaticComplexityRule;
+import net.sourceforge.pmd.Report;
+import net.sourceforge.pmd.RuleViolation;
+
+import java.util.Iterator;
+
+public class CyclomaticComplexityRuleTest extends RuleTst {
+
+    private CyclomaticComplexityRule rule = new CyclomaticComplexityRule();
+
+    public void setUp() {
+        rule.setMessage("The {0} ''{1}'' has a Cyclomatic Complexity of {2}.");
+    }
+
+    public void testOneMethod() throws Throwable {
+        rule.addProperty("reportLevel", "1");
+        Report report = process("CyclomaticComplexity1.java", rule);
+        Iterator i = report.iterator();
+        RuleViolation rv = (RuleViolation)i.next();
+        assertTrue(rv.getDescription().indexOf("Highest = 1") != -1);
+    }
+
+    public void testNastyComplicatedMethod() throws Throwable {
+        rule.addProperty("reportLevel", "10");
+        Report report = process("CyclomaticComplexity2.java", rule);
+        Iterator i = report.iterator();
+        RuleViolation rv = (RuleViolation)i.next();
+        assertTrue(rv.getDescription().indexOf("Highest = 12") != -1);
+    }
+
+    public void testConstructor() throws Throwable {
+        rule.addProperty("reportLevel", "1");
+        Report report = process("CyclomaticComplexity3.java", rule);
+        Iterator i = report.iterator();
+        RuleViolation rv = (RuleViolation)i.next();
+        assertTrue(rv.getDescription().indexOf("Highest = 1") != -1);
+    }
+
+    public void testLessComplicatedThanReportLevel() throws Throwable {
+        rule.addProperty("reportLevel", "10");
+        Report report = process("CyclomaticComplexity1.java", rule);
+        assertEquals(0, report.size());
+    }
+
+}
diff --git a/pmd/test-data/CyclomaticComplexity1.java b/pmd/test-data/CyclomaticComplexity1.java
new file mode 100644
index 0000000000..73b003ac21
--- /dev/null
+++ b/pmd/test-data/CyclomaticComplexity1.java
@@ -0,0 +1,3 @@
+public class CyclomaticComplexity1 {
+ public void foo() {}
+}
\ No newline at end of file
diff --git a/pmd/test-data/CyclomaticComplexity2.java b/pmd/test-data/CyclomaticComplexity2.java
new file mode 100644
index 0000000000..7439375e08
--- /dev/null
+++ b/pmd/test-data/CyclomaticComplexity2.java
@@ -0,0 +1,64 @@
+public class CyclomaticComplexity2 {
+ public void example() {
+  int x = 0;
+  int a = 0;
+  int b = 0;
+  int c = 0;
+  int d = 0;
+  int a1 = 0;
+  int a2 = 0;
+  int b1 = 0;
+  int b2 = 0;
+  int z = 0;
+  int h = 0;
+  int e = 0;
+  int f = 0;
+
+  if (a == b) {
+   if (a1 == b1) {
+     x=2;
+   } else if (a2 == b2) {
+     x=2;
+   }
+            else
+            {
+                x=2;
+            }
+        }
+       else if (c == d)
+        {
+           while (c == d)
+            {
+                x=2;
+            }
+        }
+       else if (e == f)
+        {
+           for (int n = 0; n < h; n++)
+            {
+                x=2;
+            }
+        }
+        else
+        {
+            switch (z)
+            {
+               case 1:
+                x=2;
+                    break;
+
+              case 2:
+                x=2;
+                    break;
+
+              case 3:
+                x=2;
+                    break;
+
+              default:
+                x=2;
+                    break;
+            }
+        }
+    }
+}
\ No newline at end of file
diff --git a/pmd/test-data/CyclomaticComplexity3.java b/pmd/test-data/CyclomaticComplexity3.java
new file mode 100644
index 0000000000..e927153c78
--- /dev/null
+++ b/pmd/test-data/CyclomaticComplexity3.java
@@ -0,0 +1,3 @@
+public class CyclomaticComplexity3 {
+ public CyclomaticComplexity3() {}
+}
\ No newline at end of file