Fix #13799 (premium options to generate metrics report) (danmar#7555)

Author: danmar

cli/cmdlineparser.cpp

@@ -1136,6 +1136,7 @@ CmdLineParser::Result CmdLineParser::parseFromArgs(int argc, const char* const a
                 "cert-c-2016",
                 "cert-c++-2016",
                 "cert-cpp-2016",
+                "metrics",
                 "misra-c-2012",
                 "misra-c-2023",
                 "misra-c++-2008",

test/testcmdlineparser.cpp

@@ -234,6 +234,7 @@ class TestCmdlineParser : public TestFixture {
         TEST_CASE(premiumOptions3);
         TEST_CASE(premiumOptions4);
         TEST_CASE(premiumOptions5);
+        TEST_CASE(premiumOptionsMetrics);
         TEST_CASE(premiumOptionsCertCIntPrecision);
         TEST_CASE(premiumOptionsLicenseFile);
         TEST_CASE(premiumOptionsInvalid1);
@@ -1437,6 +1438,17 @@ class TestCmdlineParser : public TestFixture {
         ASSERT_EQUALS(false, settings->severity.isEnabled(Severity::warning));
     }
 
+    void premiumOptionsMetrics() {
+        REDIRECT;
+        asPremium();
+        const char * const argv[] = {"cppcheck", "--premium=metrics", "file.c"};
+        ASSERT_EQUALS_ENUM(CmdLineParser::Result::Success, parseFromArgs(argv));
+        ASSERT_EQUALS("--metrics", settings->premiumArgs);
+        ASSERT(settings->severity.isEnabled(Severity::error));
+        ASSERT_EQUALS(false, settings->severity.isEnabled(Severity::warning));
+        ASSERT_EQUALS(false, settings->severity.isEnabled(Severity::portability));
+    }
+
     void premiumOptionsCertCIntPrecision() {
         REDIRECT;
         asPremium();