+testing "bc backslash 1" \
+ "bc" \
+ "3\n" \
+ "" "1 \\\\\n + 2"
+
+testing "bc string 1" \
+ "bc" \
+ "STR\n" \
+ "" "\"STR\n\""
+
+testing "bc if 0 else" \
+ "bc" \
+ "2\n9\n" \
+ "" "if (0) 1 else 2; 9"
+
+testing "bc if 1 else" \
+ "bc" \
+ "1\n9\n" \
+ "" "if (1) 1 else 2; 9"
+
+testing "bc if 1 if 1 else else" \
+ "bc" \
+ "1\n9\n" \
+ "" "if (1) if (1) 1 else 2 else 3; 9"
+
+testing "bc if 0 else if 1" \
+ "bc" \
+ "2\n9\n" \
+ "" "if (0) 1 else if (1) 2; 9"
+
+testing "bc define auto" \
+ "bc" \
+ "8\n9\n" \
+ "" "define w() { auto z; return 8; }; w(); 9"
+
+testing "bc define with body on next line" \
+ "bc" \
+ "8\n9\n" \
+ "" "define w()\n{ auto z; return 8; }\nw()\n9"
+
+testing "bc if(cond)<NL>" \
+ "bc" \
+ "9\n" \
+ "" "if(0)\n3\n9"
+
+testing "bc while(cond)<NL>" \
+ "bc" \
+ "8\n7\n6\n5\n4\n3\n2\n1\n9\n" \
+ "" "i=9;while(--i)\ni\n9"
+