// |jit-test| skip-if: typeof dumpStringRepresentation !== 'function' // Try the dumpStringRepresentation shell function on various types of // strings, and make sure it doesn't crash. print("Empty string:"); dumpStringRepresentation(""); print("\nResult of coercion to string:"); dumpStringRepresentation(); print("\nString with an index value:"); dumpStringRepresentation((12345).toString()); print("\ns = Simple short atom:"); var s = "xxxxxxxx"; dumpStringRepresentation(s); // Simple non-atom flat. print("\ns + s: Non-atom flat:"); var s2 = s + s; dumpStringRepresentation(s2); print("\nNon-Latin1 flat:"); var j = "渋谷区"; dumpStringRepresentation(j); print("\nt = Non-inline atom:"); var t = "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"; // 31 characters dumpStringRepresentation(t); print("\nr1 = t + s: Simple rope:"); var r1 = t + s; dumpStringRepresentation(r1); // Flatten that rope, and re-examine the representations of both the result and // its former leaves. This should be an extensible string. print("\nr1, former rope after flattening, now extensible:"); r1.match(/x/); dumpStringRepresentation(r1); print("\nt, s: Original leaves, representation unchanged:"); dumpStringRepresentation(t); dumpStringRepresentation(s); // Create a new rope with the extensible string as its left child. print("\nr2 = r1 + s: Rope with extensible leftmost child:"); var r2 = r1 + s; dumpStringRepresentation(r2); // Flatten that; this should re-use the extensible string's buffer. print("\nr2: flattened, stole r1's buffer:"); r2.match(/x/); dumpStringRepresentation(r2); print("\nr1: mutated into a dependent string:"); dumpStringRepresentation(r1); print("\nr3 = r2 + s: a new rope with an extensible leftmost child:"); r3 = r2 + s; r3.match(/x/); dumpStringRepresentation(r3); print("\nr2: now mutated into a dependent string"); dumpStringRepresentation(r2); print("\nr1: now a doubly-dependent string, because of r2's mutation:"); dumpStringRepresentation(r1); print("\nt, s: Original leaves, representation unchanged:"); dumpStringRepresentation(t); dumpStringRepresentation(s); for (var str of representativeStringArray()) dumpStringRepresentation(str);