Add test cases, todos for #9790, #10358, #10462 (#3564)

* Add test cases, todos

* Format

* Remove dupes

* Format

Author: chrchr-github

test/testassert.cpp

@@ -234,6 +234,11 @@ class TestAssert : public TestFixture {
               "  assert(sizeof(struct { int a[x++]; })==sizeof(int));\n"
               "}");
         ASSERT_EQUALS("", errout.str());
+
+        check("void foo() {\n" // #9790
+              "  assert(kad_bucket_hash(&(kad_guid) { .bytes = { 0 } }, & (kad_guid){.bytes = { 0 }}) == -1);\n"
+              "}");
+        ASSERT_EQUALS("", errout.str());
     }
 };
 

test/testvalueflow.cpp

@@ -4444,6 +4444,22 @@ class TestValueFlow : public TestFixture {
         ASSERT(value.isKnown());
         ASSERT_EQUALS(1, value.intvalue);
 
+        code = "bool f() {\n"
+               "  const int s = int{};"
+               "  return s == 0;\n" // <- known value
+               "}";
+        value = valueOfTok(code, "==");
+        TODO_ASSERT_EQUALS(true, false, value.isKnown());
+        TODO_ASSERT_EQUALS(1, 0, value.intvalue);
+
+        code = "bool f() {\n"
+               "  const int s = int();"
+               "  return s == 0;\n" // <- known value
+               "}";
+        value = valueOfTok(code, "==");
+        TODO_ASSERT_EQUALS(true, false, value.isKnown());
+        TODO_ASSERT_EQUALS(1, 0, value.intvalue);
+
         // calculation with known result
         code = "int f(int x) { a = x & 0; }"; // <- & is 0
         value = valueOfTok(code, "&");
@@ -6075,6 +6091,13 @@ class TestValueFlow : public TestFixture {
                "    diff = (buf-b);\n"
                "}\n";
         valueOfTok(code, "diff");
+
+        code = "void foo() {\n" // #10462
+               "  std::tuple<float, float, float, float> t4(5.2f, 3.1f, 2.4f, 9.1f), t5(4, 6, 9, 27);\n"
+               "  t4 = t5;\n"
+               "  ASSERT(!(t4 < t5) && t4 <= t5);\n"
+               "}";
+        valueOfTok(code, "<=");
     }
 
     void valueFlowHang() {