Added an assertion to QrCode.getNumRawDataModules() in all language versions.

c/qrcodegen.c

@@ -345,6 +345,7 @@ testable int getNumRawDataModules(int ver) {
 		if (ver >= 7)
 			result -= 36;
 	}
+	assert(208 <= result && result <= 29648);
 	return result;
 }
 

cpp/QrCode.cpp

@@ -531,6 +531,8 @@ int QrCode::getNumRawDataModules(int ver) {
 		if (ver >= 7)
 			result -= 36;
 	}
+	if (!(208 <= result && result <= 29648))
+		throw std::logic_error("Assertion error");
 	return result;
 }
 

java/src/main/java/io/nayuki/qrcodegen/QrCode.java

@@ -718,6 +718,7 @@ public final class QrCode {
 			if (ver >= 7)
 				result -= 6 * 3 * 2;  // Subtract version information
 		}
+		assert 208 <= result && result <= 29648;
 		return result;
 	}
 	

python/qrcodegen.py

@@ -550,6 +550,7 @@ class QrCode(object):
 			result -= (25 * numalign - 10) * numalign - 55
 			if ver >= 7:
 				result -= 36
+		assert 208 <= result <= 29648
 		return result
 	
 	

rust/src/lib.rs

@@ -753,6 +753,7 @@ impl QrCode {
 				result -= 36;
 			}
 		}
+		assert!(208 <= result && result <= 29648);
 		result
 	}
 	

typescript-javascript/qrcodegen.ts

@@ -619,6 +619,8 @@ namespace qrcodegen {
 				if (ver >= 7)
 					result -= 36;
 			}
+			if (!(208 <= result && result <= 29648))
+				throw "Assertion error";
 			return result;
 		}