code-coverage-block.js 28.9 KB
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// Copyright 2017 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

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// Flags: --allow-natives-syntax --no-always-opt
jgruber's avatar
jgruber committed
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// Files: test/mjsunit/code-coverage-utils.js
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%DebugToggleBlockCoverage(true);

TestCoverage(
"call an IIFE",
`
(function f() {})();
`,
[{"start":0,"end":20,"count":1},{"start":1,"end":16,"count":1}]
);

TestCoverage(
"call locally allocated function",
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`let f = () => 1; f();`,
[{"start":0,"end":21,"count":1},{"start":8,"end":15,"count":1}]
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);

TestCoverage(
"if statements",
`
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function g() {}                           // 0000
function f(x) {                           // 0050
  if (x == 42) {                          // 0100
    if (x == 43) g(); else g();           // 0150
  }                                       // 0200
  if (x == 42) { g(); } else { g(); }     // 0250
  if (x == 42) g(); else g();             // 0300
  if (false) g(); else g();               // 0350
  if (false) g();                         // 0400
  if (true) g(); else g();                // 0450
  if (true) g();                          // 0500
}                                         // 0550
f(42);                                    // 0600
f(43);                                    // 0650
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if (true) {                               // 0700
  const foo = 'bar';                      // 0750
} else {                                  // 0800
  const bar = 'foo';                      // 0850
}                                         // 0900
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`,
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[{"start":0,"end":949,"count":1},
 {"start":801,"end":901,"count":0},
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 {"start":0,"end":15,"count":11},
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 {"start":50,"end":551,"count":2},
 {"start":115,"end":203,"count":1},
 {"start":167,"end":171,"count":0},
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 {"start":265,"end":287,"count":1},
 {"start":315,"end":329,"count":1},
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 {"start":363,"end":367,"count":0},
 {"start":413,"end":417,"count":0},
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 {"start":466,"end":476,"count":0}]
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);

TestCoverage(
"if statement (early return)",
`
!function() {                             // 0000
  if (true) {                             // 0050
    nop();                                // 0100
    return;                               // 0150
    nop();                                // 0200
  }                                       // 0250
  nop();                                  // 0300
}()                                       // 0350
`,
[{"start":0,"end":399,"count":1},
 {"start":1,"end":351,"count":1},
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 {"start":161,"end":350,"count":0}]
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);

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TestCoverage(
"if statement (no semi-colon)",
`
!function() {                             // 0000
  if (true) nop()                         // 0050
  if (true) nop(); else nop()             // 0100
  nop();                                  // 0150
}()                                       // 0200
`,
[{"start":0,"end":249,"count":1},
 {"start":1,"end":201,"count":1},
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 {"start":118,"end":129,"count":0}]
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);

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TestCoverage(
"for statements",
`
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function g() {}                           // 0000
!function() {                             // 0050
  for (var i = 0; i < 12; i++) g();       // 0100
  for (var i = 0; i < 12; i++) {          // 0150
    g();                                  // 0200
  }                                       // 0250
  for (var i = 0; false; i++) g();        // 0300
  for (var i = 0; true; i++) break;       // 0350
  for (var i = 0; i < 12; i++) {          // 0400
    if (i % 3 == 0) g(); else g();        // 0450
  }                                       // 0500
}();                                      // 0550
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`,
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[{"start":0,"end":599,"count":1},
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 {"start":0,"end":15,"count":36},
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 {"start":51,"end":551,"count":1},
 {"start":131,"end":135,"count":12},
 {"start":181,"end":253,"count":12},
 {"start":330,"end":334,"count":0},
 {"start":431,"end":503,"count":12},
 {"start":470,"end":474,"count":4},
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 {"start":474,"end":484,"count":8}]
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);

TestCoverage(
"for statements pt. 2",
`
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function g() {}                           // 0000
!function() {                             // 0050
  let j = 0;                              // 0100
  for (let i = 0; i < 12; i++) g();       // 0150
  for (const i = 0; j < 12; j++) g();     // 0200
  for (j = 0; j < 12; j++) g();           // 0250
  for (;;) break;                         // 0300
}();                                      // 0350
129
`,
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[{"start":0,"end":399,"count":1},
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 {"start":0,"end":15,"count":36},
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 {"start":51,"end":351,"count":1},
 {"start":181,"end":185,"count":12},
 {"start":233,"end":237,"count":12},
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 {"start":277,"end":281,"count":12}]
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);

TestCoverage(
"for statements (no semicolon)",
`
function g() {}                           // 0000
!function() {                             // 0050
  for (let i = 0; i < 12; i++) g()        // 0100
  for (let i = 0; i < 12; i++) break      // 0150
  for (let i = 0; i < 12; i++) break; g() // 0200
}();                                      // 0250
`,
[{"start":0,"end":299,"count":1},
 {"start":0,"end":15,"count":13},
 {"start":51,"end":251,"count":1},
151
 {"start":131,"end":134,"count":12}]
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);

TestCoverage(
"for statement (early return)",
`
!function() {                             // 0000
  for (var i = 0; i < 10; i++) {          // 0050
    nop();                                // 0100
    continue;                             // 0150
    nop();                                // 0200
  }                                       // 0250
  nop();                                  // 0300
  for (;;) {                              // 0350
    nop();                                // 0400
    break;                                // 0450
    nop();                                // 0500
  }                                       // 0550
  nop();                                  // 0600
  for (;;) {                              // 0650
    nop();                                // 0700
    return;                               // 0750
    nop();                                // 0800
  }                                       // 0850
  nop();                                  // 0900
}()                                       // 0950
`,
[{"start":0,"end":999,"count":1},
 {"start":1,"end":951,"count":1},
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 {"start":81,"end":253,"count":10},
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 {"start":163,"end":253,"count":0},
 {"start":460,"end":553,"count":0},
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 {"start":761,"end":950,"count":0}]
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);

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TestCoverage(
"for-of and for-in statements",
`
!function() {                             // 0000
  var i;                                  // 0050
  for (i of [0,1,2,3]) { nop(); }         // 0100
  for (let j of [0,1,2,3]) { nop(); }     // 0150
  for (i in [0,1,2,3]) { nop(); }         // 0200
  for (let j in [0,1,2,3]) { nop(); }     // 0250
  var xs = [{a:0, b:1}, {a:1,b:0}];       // 0300
  for (var {a: x, b: y} of xs) { nop(); } // 0350
}();                                      // 0400
`,
[{"start":0,"end":449,"count":1},
 {"start":1,"end":401,"count":1},
 {"start":123,"end":133,"count":4},
 {"start":177,"end":187,"count":4},
 {"start":223,"end":233,"count":4},
 {"start":277,"end":287,"count":4},
 {"start":381,"end":391,"count":2}]
);

TestCoverage(
"for-await-of statements",
`
!async function() {                       // 0000
  for await (var x of [0,1,2,3]) {        // 0050
    nop();                                // 0100
  }                                       // 0150
}();                                      // 0200
%RunMicrotasks();                         // 0250
`,
[{"start":0,"end":299,"count":1},
 {"start":1,"end":201,"count":6},  // TODO(jgruber): Invocation count is off.
 {"start":83,"end":153,"count":4},
221
 {"start":153,"end":200,"count":1}]
222 223
);

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TestCoverage(
"while and do-while statements",
`
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function g() {}                           // 0000
!function() {                             // 0050
  var i;                                  // 0100
  i = 0; while (i < 12) i++;              // 0150
  i = 0; while (i < 12) { g(); i++; }     // 0200
  i = 0; while (false) g();               // 0250
  i = 0; while (true) break;              // 0300
                                          // 0350
  i = 0; do i++; while (i < 12);          // 0400
  i = 0; do { g(); i++; }                 // 0450
         while (i < 12);                  // 0500
  i = 0; do { g(); } while (false);       // 0550
  i = 0; do { break; } while (true);      // 0600
}();                                      // 0650
241
`,
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[{"start":0,"end":699,"count":1},
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 {"start":0,"end":15,"count":25},
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 {"start":51,"end":651,"count":1},
 {"start":174,"end":178,"count":12},
 {"start":224,"end":237,"count":12},
 {"start":273,"end":277,"count":0},
 {"start":412,"end":416,"count":12},
 {"start":462,"end":475,"count":12},
250
 {"start":620,"end":622,"count":0}]
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);

TestCoverage(
"while statement (early return)",
`
!function() {                             // 0000
  let i = 0;                              // 0050
  while (i < 10) {                        // 0100
    i++;                                  // 0150
    continue;                             // 0200
    nop();                                // 0250
  }                                       // 0300
  nop();                                  // 0350
  while (true) {                          // 0400
    nop();                                // 0450
    break;                                // 0500
    nop();                                // 0550
  }                                       // 0600
  nop();                                  // 0650
  while (true) {                          // 0700
    nop();                                // 0750
    return;                               // 0800
    nop();                                // 0850
  }                                       // 0900
  nop();                                  // 0950
}()                                       // 1000
`,
[{"start":0,"end":1049,"count":1},
 {"start":1,"end":1001,"count":1},
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 {"start":117,"end":303,"count":10},
281 282
 {"start":213,"end":303,"count":0},
 {"start":510,"end":603,"count":0},
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 {"start":811,"end":1000,"count":0}]
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);

TestCoverage(
"do-while statement (early return)",
`
!function() {                             // 0000
  let i = 0;                              // 0050
  do {                                    // 0100
    i++;                                  // 0150
    continue;                             // 0200
    nop();                                // 0250
  } while (i < 10);                       // 0300
  nop();                                  // 0350
  do {                                    // 0400
    nop();                                // 0450
    break;                                // 0500
    nop();                                // 0550
  } while (true);                         // 0600
  nop();                                  // 0650
  do {                                    // 0700
    nop();                                // 0750
    return;                               // 0800
    nop();                                // 0850
  } while (true);                         // 0900
  nop();                                  // 0950
}()                                       // 1000
`,
[{"start":0,"end":1049,"count":1},
 {"start":1,"end":1001,"count":1},
313
 {"start":105,"end":303,"count":10},
314 315
 {"start":213,"end":303,"count":0},
 {"start":510,"end":603,"count":0},
316
 {"start":811,"end":1000,"count":0}]
317 318
);

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TestCoverage(
"return statements",
`
!function() { nop(); return; nop(); }();  // 0000
!function() { nop(); return 42;           // 0050
              nop(); }();                 // 0100
`,
[{"start":0,"end":149,"count":1},
 {"start":1,"end":37,"count":1},
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 {"start":28,"end":36,"count":0},
329
 {"start":51,"end":122,"count":1},
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 {"start":81,"end":121,"count":0}]
331 332
);

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TestCoverage(
"try/catch/finally statements",
`
!function() {                             // 0000
  try { nop(); } catch (e) { nop(); }     // 0050
  try { nop(); } finally { nop(); }       // 0100
  try {                                   // 0150
    try { throw 42; } catch (e) { nop(); }// 0200
  } catch (e) { nop(); }                  // 0250
  try {                                   // 0300
    try { throw 42; } finally { nop(); }  // 0350
  } catch (e) { nop(); }                  // 0400
  try {                                   // 0450
    throw 42;                             // 0500
  } catch (e) {                           // 0550
    nop();                                // 0600
  } finally {                             // 0650
    nop();                                // 0700
  }                                       // 0750
}();                                      // 0800
`,
[{"start":0,"end":849,"count":1},
 {"start":1,"end":801,"count":1},
356 357 358 359 360 361
 {"start":67,"end":87,"count":0},
 {"start":219,"end":222,"count":0},
 {"start":254,"end":274,"count":0},
 {"start":369,"end":372,"count":0},
 {"start":390,"end":404,"count":0},
 {"start":513,"end":554,"count":0}]
362 363
);

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TestCoverage("try/catch/finally statements with early return",
`
!function() {                             // 0000
  try { throw 42; } catch (e) { return; } // 0050
  nop();                                  // 0100
}();                                      // 0150
!function() {                             // 0200
  try { throw 42; } catch (e) {}          // 0250
  finally { return; }                     // 0300
  nop();                                  // 0350
}();                                      // 0400
`,
[{"start":0,"end":449,"count":1},
 {"start":1,"end":151,"count":1},
378
 {"start":67,"end":70,"count":0},
379
 {"start":89,"end":150,"count":0},
380
 {"start":201,"end":401,"count":1},
381
 {"start":267,"end":270,"count":0},
382
 {"start":319,"end":400,"count":0}]
383 384
);

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TestCoverage(
"early return in blocks",
`
!function() {                             // 0000
  try { throw 42; } catch (e) { return; } // 0050
  nop();                                  // 0100
}();                                      // 0150
!function() {                             // 0200
  try { nop(); } finally { return; }      // 0250
  nop();                                  // 0300
}();                                      // 0350
!function() {                             // 0400
  {                                       // 0450
    let x = 42;                           // 0500
    return () => x;                       // 0550
  }                                       // 0600
  nop();                                  // 0650
}();                                      // 0700
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!function() {                             // 0750
  try { throw 42; } catch (e) {           // 0800
    return;                               // 0850
    nop();                                // 0900
  }                                       // 0950
  nop();                                  // 1000
}();                                      // 1050
410
`,
411
[{"start":0,"end":1099,"count":1},
412
 {"start":1,"end":151,"count":1},
413
 {"start":67,"end":70,"count":0},
414
 {"start":89,"end":150,"count":0},
415
 {"start":201,"end":351,"count":1},
416
 {"start":284,"end":350,"count":0},
417
 {"start":401,"end":701,"count":1},
418
 {"start":569,"end":700,"count":0},
419 420
 {"start":561,"end":568,"count":0},  // TODO(jgruber): Sorting.
 {"start":751,"end":1051,"count":1},
421
 {"start":817,"end":820,"count":0},
422
 {"start":861,"end":1050,"count":0}]
423 424
);

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TestCoverage(
"switch statements",
`
!function() {                             // 0000
  var x = 42;                             // 0050
  switch (x) {                            // 0100
    case 41: nop(); break;                // 0150
    case 42: nop(); break;                // 0200
    default: nop(); break;                // 0250
  }                                       // 0300
}();                                      // 0350
`,
[{"start":0,"end":399,"count":1},
 {"start":1,"end":351,"count":1},
 {"start":154,"end":204,"count":0},
 {"start":226,"end":303,"count":0}]
);

443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505
TestCoverage(
"labeled break statements",
`
!function() {                             // 0000
  var x = 42;                             // 0050
  l0: switch (x) {                        // 0100
  case 41: return;                        // 0150
  case 42:                                // 0200
    switch (x) { case 42: break l0; }     // 0250
    break;                                // 0300
  }                                       // 0350
  l1: for (;;) {                          // 0400
    for (;;) break l1;                    // 0450
  }                                       // 0500
  l2: while (true) {                      // 0550
    while (true) break l2;                // 0600
  }                                       // 0650
  l3: do {                                // 0700
    do { break l3; } while (true);        // 0750
  } while (true);                         // 0800
  l4: { break l4; }                       // 0850
  l5: for (;;) for (;;) break l5;         // 0900
}();                                      // 0950
`,
[{"start":0,"end":999,"count":1},
 {"start":1,"end":951,"count":1},
 {"start":152,"end":202,"count":0},
 {"start":285,"end":353,"count":0},
 {"start":472,"end":503,"count":0},
 {"start":626,"end":653,"count":0},
 {"start":768,"end":803,"count":0},
 {"start":867,"end":869,"count":0}]
);

TestCoverage(
"labeled continue statements",
`
!function() {                             // 0000
  l0: for (var i0 = 0; i0 < 2; i0++) {    // 0050
    for (;;) continue l0;                 // 0100
  }                                       // 0150
  var i1 = 0;                             // 0200
  l1: while (i1 < 2) {                    // 0250
    i1++;                                 // 0300
    while (true) continue l1;             // 0350
  }                                       // 0400
  var i2 = 0;                             // 0450
  l2: do {                                // 0500
    i2++;                                 // 0550
    do { continue l2; } while (true);     // 0600
  } while (i2 < 2);                       // 0650
}();                                      // 0700
`,
[{"start":0,"end":749,"count":1},
 {"start":1,"end":701,"count":1},
 {"start":87,"end":153,"count":2},
 {"start":125,"end":153,"count":0},
 {"start":271,"end":403,"count":2},
 {"start":379,"end":403,"count":0},
 {"start":509,"end":653,"count":2},
 {"start":621,"end":653,"count":0}]
);

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TestCoverage(
"conditional expressions",
`
var TRUE = true;                          // 0000
var FALSE = false;                        // 0050
!function() {                             // 0100
  TRUE ? nop() : nop();                   // 0150
  true ? nop() : nop();                   // 0200
  false ? nop() : nop();                  // 0250
  FALSE ? TRUE ? nop()                    // 0300
               : nop()                    // 0350
        : nop();                          // 0400
  TRUE ? FALSE ? nop()                    // 0450
               : nop()                    // 0500
       : nop();                           // 0550
  TRUE ? nop() : FALSE ? nop()            // 0600
                       : nop();           // 0650
  FALSE ? nop() : TRUE ? nop()            // 0700
                       : nop();           // 0750
}();                                      // 0800
`,
[{"start":0,"end":849,"count":1},
 {"start":101,"end":801,"count":1},
529 530 531 532 533 534 535 536 537
 {"start":165,"end":172,"count":0},
 {"start":215,"end":222,"count":0},
 {"start":258,"end":265,"count":0},
 {"start":308,"end":372,"count":0},
 {"start":465,"end":472,"count":0},
 {"start":557,"end":564,"count":0},
 {"start":615,"end":680,"count":0},
 {"start":708,"end":715,"count":0},
 {"start":773,"end":780,"count":0}]
538 539
);

540 541 542 543 544 545 546 547 548 549 550 551
TestCoverage(
"yield expressions",
`
const it = function*() {                  // 0000
  yield nop();                            // 0050
  yield nop() ? nop() : nop()             // 0100
  return nop();                           // 0150
}();                                      // 0200
it.next(); it.next();                     // 0250
`,
[{"start":0,"end":299,"count":1},
 {"start":11,"end":201,"count":3},
552 553 554
 {"start":64,"end":114,"count":1},
 {"start":114,"end":121,"count":0},
 {"start":122,"end":129,"count":1},
555
 {"start":129,"end":200,"count":0}]
556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573
);

TestCoverage(
"yield expressions (.return and .throw)",
`
const it0 = function*() {                 // 0000
  yield 1; yield 2; yield 3;              // 0050
}();                                      // 0100
it0.next(); it0.return();                 // 0150
try {                                     // 0200
  const it1 = function*() {               // 0250
    yield 1; yield 2; yield 3;            // 0300
  }();                                    // 0350
  it1.next(); it1.throw();                // 0400
} catch (e) {}                            // 0450
`,
[{"start":0,"end":499,"count":1},
 {"start":12,"end":101,"count":3},
574
 {"start":60,"end":100,"count":0},
575
 {"start":264,"end":353,"count":3},
576
 {"start":312,"end":352,"count":0}]
577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592
);

TestCoverage("yield expressions (.return and try/catch/finally)",
`
const it = function*() {                  // 0000
  try {                                   // 0050
    yield 1; yield 2; yield 3;            // 0100
  } catch (e) {                           // 0150
    nop();                                // 0200
  } finally { nop(); }                    // 0250
  yield 4;                                // 0300
}();                                      // 0350
it.next(); it.return();                   // 0450
`,
[{"start":0,"end":449,"count":1},
 {"start":11,"end":351,"count":3},
593 594
 {"start":112,"end":254,"count":0},
 {"start":254,"end":272,"count":1},
595
 {"start":272,"end":350,"count":0}]
596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611
);

TestCoverage("yield expressions (.throw and try/catch/finally)",
`
const it = function*() {                  // 0000
  try {                                   // 0050
    yield 1; yield 2; yield 3;            // 0100
  } catch (e) {                           // 0150
    nop();                                // 0200
  } finally { nop(); }                    // 0250
  yield 4;                                // 0300
}();                                      // 0350
it.next(); it.throw(42);                  // 0550
`,
[{"start":0,"end":449,"count":1},
 {"start":11,"end":351,"count":3},
612 613
 {"start":112,"end":154,"count":0},
 {"start":154,"end":310,"count":1},
614
 {"start":310,"end":350,"count":0}]
615 616 617 618 619 620 621 622 623 624 625 626 627 628 629
);

TestCoverage(
"yield* expressions",
`
const it = function*() {                  // 0000
  yield* gen();                           // 0050
  yield* nop() ? gen() : gen()            // 0100
  return gen();                           // 0150
}();                                      // 0200
it.next(); it.next(); it.next();          // 0250
it.next(); it.next(); it.next();          // 0300
`,
[{"start":0,"end":349,"count":1},
 {"start":11,"end":201,"count":7},
630 631 632
 {"start":65,"end":115,"count":1},
 {"start":115,"end":122,"count":0},
 {"start":123,"end":130,"count":1},
633
 {"start":130,"end":200,"count":0}]
634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651
);

TestCoverage(
"yield* expressions (.return and .throw)",
`
const it0 = function*() {                 // 0000
  yield* gen(); yield* gen(); yield 3;    // 0050
}();                                      // 0100
it0.next(); it0.return();                 // 0150
try {                                     // 0200
  const it1 = function*() {               // 0250
    yield* gen(); yield* gen(); yield 3;  // 0300
  }();                                    // 0350
  it1.next(); it1.throw();                // 0400
} catch (e) {}                            // 0450
`,
[{"start":0,"end":499,"count":1},
 {"start":12,"end":101,"count":3},
652
 {"start":65,"end":100,"count":0},
653
 {"start":264,"end":353,"count":3},
654
 {"start":317,"end":352,"count":0}]
655 656 657 658 659 660 661 662 663 664 665 666 667 668
);

TestCoverage(
"await expressions",
`
async function f() {                      // 0000
  await 42;                               // 0050
  await 42;                               // 0100
};                                        // 0150
f();                                      // 0200
%RunMicrotasks();                         // 0250
`,
[{"start":0,"end":299,"count":1},
 {"start":0,"end":151,"count":3},
669
 {"start":61,"end":150,"count":1}]
670 671
);

672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833
TestCoverage(
"LogicalOrExpression assignment",
`
const a = true || 99                      // 0000
function b () {                           // 0050
  const b = a || 2                        // 0100
}                                         // 0150
b()                                       // 0200
b()                                       // 0250
`,
[{"start":0,"end":299,"count":1},
 {"start":15,"end":20,"count":0},
 {"start":50,"end":151,"count":2},
 {"start":114,"end":118,"count":0}]);

TestCoverage(
"LogicalOrExpression IsTest()",
`
true || false                             // 0000
const a = 99                              // 0050
a || 50                                   // 0100
const b = false                           // 0150
if (b || true) {}                         // 0200
`,
[{"start":0,"end":249,"count":1},
 {"start":5,"end":13,"count":0},
 {"start":102,"end":107,"count":0}]);

TestCoverage(
"LogicalAndExpression assignment",
`
const a = false && 99                     // 0000
function b () {                           // 0050
  const b = a && 2                        // 0100
}                                         // 0150
b()                                       // 0200
b()                                       // 0250
const c = true && 50                      // 0300
`,
[{"start":0,"end":349,"count":1},
 {"start":16,"end":21,"count":0},
 {"start":50,"end":151,"count":2},
 {"start":114,"end":118,"count":0}]);

TestCoverage(
"LogicalAndExpression IsTest()",
`
false && true                             // 0000
const a = 0                               // 0050
a && 50                                   // 0100
const b = true                            // 0150
if (b && true) {}                         // 0200
true && true                              // 0250
`,
[{"start":0,"end":299,"count":1},
 {"start":6,"end":13,"count":0},
 {"start":102,"end":107,"count":0}]);

TestCoverage(
"NaryLogicalOr assignment",
`
const a = true                            // 0000
const b = false                           // 0050
const c = false || false || 99            // 0100
const d = false || true || 99             // 0150
const e = true || true || 99              // 0200
const f = b || b || 99                    // 0250
const g = b || a || 99                    // 0300
const h = a || a || 99                    // 0350
const i = a || (b || c) || d              // 0400
`,
[{"start":0,"end":449,"count":1},
 {"start":174,"end":179,"count":0},
 {"start":215,"end":222,"count":0},
 {"start":223,"end":228,"count":0},
 {"start":317,"end":322,"count":0},
 {"start":362,"end":366,"count":0},
 {"start":367,"end":372,"count":0},
 {"start":412,"end":423,"count":0},
 {"start":424,"end":428,"count":0}]);

TestCoverage(
"NaryLogicalOr IsTest()",
`
const a = true                            // 0000
const b = false                           // 0050
false || false || 99                      // 0100
false || true || 99                       // 0150
true || true || 99                        // 0200
b || b || 99                              // 0250
b || a || 99                              // 0300
a || a || 99                              // 0350
`,
[{"start":0,"end":399,"count":1},
 {"start":164,"end":169,"count":0},
 {"start":205,"end":212,"count":0},
 {"start":213,"end":218,"count":0},
 {"start":307,"end":312,"count":0},
 {"start":352,"end":356,"count":0},
 {"start":357,"end":362,"count":0}]);

TestCoverage(
"NaryLogicalAnd assignment",
`
const a = true                            // 0000
const b = false                           // 0050
const c = false && false && 99            // 0100
const d = false && true && 99             // 0150
const e = true && true && 99              // 0200
const f = true && false || true           // 0250
const g = true || false && true           // 0300
`,
[{"start":0,"end":349,"count":1},
 {"start":116,"end":124,"count":0},
 {"start":125,"end":130,"count":0},
 {"start":166,"end":173,"count":0},
 {"start":174,"end":179,"count":0},
 {"start":315,"end":331,"count":0}
]);

TestCoverage(
"NaryLogicalAnd IsTest()",
`
const a = true                            // 0000
const b = false                           // 0050
false && false && 99                      // 0100
false && true && 99                       // 0150
true && true && 99                        // 0200
true && false || true                     // 0250
true || false && true                     // 0300
false || false || 99 || 55                // 0350
`,
[{"start":0,"end":399,"count":1},
 {"start":106,"end":114,"count":0},
 {"start":115,"end":120,"count":0},
 {"start":156,"end":163,"count":0},
 {"start":164,"end":169,"count":0},
 {"start":305,"end":321,"count":0},
 {"start":371,"end":376,"count":0}]);

// see regression: https://bugs.chromium.org/p/chromium/issues/detail?id=785778
TestCoverage(
"logical expressions + conditional expressions",
`
const a = true                            // 0000
const b = 99                              // 0050
const c = false                           // 0100
const d = ''                              // 0150
const e = a && (b ? 'left' : 'right')     // 0200
const f = a || (b ? 'left' : 'right')     // 0250
const g = c || d ? 'left' : 'right'       // 0300
const h = a && b && (b ? 'left' : 'right')// 0350
const i = d || c || (c ? 'left' : 'right')// 0400
`,
[{"start":0,"end":449,"count":1},
 {"start":227,"end":236,"count":0},
 {"start":262,"end":287,"count":0},
 {"start":317,"end":325,"count":0},
 {"start":382,"end":391,"count":0},
 {"start":423,"end":431,"count":0}
]);

834
%DebugToggleBlockCoverage(false);