Add m-esr52 at 52.6.0

1 files changed, 99 insertions, 0 deletions

diff --git a/js/src/jit-test/tests/debug/Script-getLineOffsets-06.js b/js/src/jit-test/tests/debug/Script-getLineOffsets-06.js
new file mode 100644
index 000000000..da312ccf9
--- /dev/null
+++ b/js/src/jit-test/tests/debug/Script-getLineOffsets-06.js
@@ -0,0 +1,99 @@
+// getLineOffsets works with extended instructions, such as JSOP_GOTOX.
+
+var g = newGlobal();
+g.line0 = null;
+var dbg = Debugger(g);
+var where;
+dbg.onDebuggerStatement = function (frame) {
+    var s = frame.script;
+    var offs;
+    var lineno = g.line0 + where;
+    offs = s.getLineOffsets(lineno);
+    for (var i = 0; i < offs.length; i++) {
+        assertEq(s.getOffsetLocation(offs[i]).lineNumber, lineno);
+        s.setBreakpoint(offs[i], {hit: function (frame) { g.log += 'B'; }});
+    }
+    g.log += 'A';
+};
+
+function test(s) {
+    assertEq(s.charAt(s.length - 1) !== '\n', true);
+    var count = s.split(/\n/).length;  // number of lines in s
+    g.i = 0;
+    g.log = '';
+    where = 1 + count;
+    g.eval("line0 = Error().lineNumber;\n" +
+           "debugger;\n" +          // line0 + 1
+           s +                      // line0 + 2 ... line0 + where
+           " log += 'C';\n");
+    assertEq(g.log, 'ABC');
+}
+
+function repeat(s) {
+    return Array((1 << 14) + 1).join(s);  // 16K copies of s
+}
+var long_expr = "i" + repeat(" + i");
+var long_throw_stmt = "throw " + long_expr + ";\n";
+
+// long break (JSOP_GOTOX)
+test("for (;;) {\n" +
+     "    if (i === 0)\n" +
+     "        break;\n" +
+     "    " + long_throw_stmt +
+     "}");
+
+// long continue (JSOP_GOTOX)
+test("do {\n" +
+     "    if (i === 0)\n" +
+     "        continue;\n" +
+     "    " + long_throw_stmt +
+     "} while (i !== 0);");
+
+// long if consequent (JSOP_IFEQX)
+test("if (i === 2) {\n" +
+     "    " + long_throw_stmt +
+     "}");
+
+// long catch-block with finally (JSOP_GOSUBX)
+test("try {\n" +
+     "    i = 0;\n" +
+     "} catch (exc) {\n" +
+     "    throw " + long_expr + ";\n" +
+     "} finally {\n" +
+     "    i = 1;\n" +
+     "}");
+
+// long case (JSOP_TABLESWITCHX)
+test("switch (i) {\n" +
+     "  default:\n" +
+     "  case 1: " + long_throw_stmt +
+     "  case 0: i++; }");
+
+test("switch (i) {\n" +
+     "  case 1: case 2: case 3: " + long_throw_stmt +
+     "  default: i++; }");
+
+// long case (JSOP_LOOKUPSWITCHX)
+test("switch ('' + i) {\n" +
+     "  default:\n" +
+     "  case '1': " + long_throw_stmt +
+     "  case '0': i++; }");
+
+test("switch (i) {\n" +
+     "  case '1': case '2': case '3': " + long_throw_stmt +
+     "  default: i++; }");
+
+// long case or case-expression (JSOP_CASEX)
+test("switch (i) {\n" +
+     "  case i + 1 - i:\n" +
+     "  default:\n" +
+     "    " + long_throw_stmt +
+     "  case i + i:\n" +
+     "    i++; break; }");
+
+// long case when JSOP_CASE is used (JSOP_DEFAULTX)
+test("switch (i) {\n" +
+     "  case i + 1 - i:\n" +
+     "    " + long_throw_stmt +
+     "  default:\n" +
+     "    i++; break; }");