test-JSString.cpp - mozsearch

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#include "gdb-tests.h"

#include "vm/JSContext.h"

// When JSGC_ANALYSIS is #defined, Rooted<JSLinearString*> needs the definition

// of JSLinearString in order to figure out its ThingRootKind

#include "vm/StringType.h"

FRAGMENT(JSString, simple) {

  JS::Rooted<JSString*> empty(cx, JS_NewStringCopyN(cx, nullptr, 0));

  JS::Rooted<JSString*> x(cx, JS_NewStringCopyN(cx, "x", 1));

  JS::Rooted<JSString*> z(cx, JS_NewStringCopyZ(cx, "z"));

  // I expect this will be a non-inlined string.

  JS::Rooted<JSString*> stars(cx,

                              JS_NewStringCopyZ(cx,

                                                "*************************"

                                                "*************************"

                                                "*************************"

                                                "*************************"));

  // This may well be an inlined string.

  JS::Rooted<JSString*> xz(cx, JS_ConcatStrings(cx, x, z));

  // This will probably be a rope.

  JS::Rooted<JSString*> doubleStars(cx, JS_ConcatStrings(cx, stars, stars));

  // Ensure we're not confused by typedefs for pointer types.

  JSString* xRaw = x;

  breakpoint();

  use(empty);

  use(x);

  use(z);

  use(stars);

  use(xz);

  use(doubleStars);

  use(xRaw);

FRAGMENT(JSString, null) {

  JS::Rooted<JSString*> null(cx, nullptr);

  JSString* nullRaw = null;

  breakpoint();

  use(null);

  use(nullRaw);

FRAGMENT(JSString, subclasses) {

  JS::Rooted<JSLinearString*> linear(

      cx, JS_EnsureLinearString(cx, JS_NewStringCopyZ(cx, "Hi!")));

  breakpoint();

  use(linear);

FRAGMENT(JSString, atom) {

  JSAtom* molybdenum = js::Atomize(cx, "molybdenum", 10);

  breakpoint();

  use(molybdenum);