Adding upstream version 124.0.1.upstream/124.0.1

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

74 files changed, 579 insertions, 0 deletions

diff --git a/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/babel-bindings-with-flow/input.js b/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/babel-bindings-with-flow/input.js
new file mode 100644
index 0000000000..378781d0d9
--- /dev/null
+++ b/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/babel-bindings-with-flow/input.js
@@ -0,0 +1,10 @@
+// Webpack doesn't map import declarations well, so doing this forces binding
+// processing to only process the binding being cast when searching for
+// matches. That way we can properly test if the flow cast causes problems.
+import { aNamed } from "./src/mod";
+
+export default function root() {
+  var value = (aNamed: Array<string>);
+
+  console.log("pause here", root, value);
+}
diff --git a/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/babel-bindings-with-flow/src/mod.js b/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/babel-bindings-with-flow/src/mod.js
new file mode 100644
index 0000000000..1b2adae4c2
--- /dev/null
+++ b/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/babel-bindings-with-flow/src/mod.js
@@ -0,0 +1 @@
+export const aNamed = "a-named";
diff --git a/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/babel-classes/input.js b/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/babel-classes/input.js
new file mode 100644
index 0000000000..a28b281645
--- /dev/null
+++ b/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/babel-classes/input.js
@@ -0,0 +1,15 @@
+export default function root() {
+  class Another {
+    bound = () => {
+      return this;
+    }
+
+    method() {
+      let two = 2;
+
+      console.log("pause here", Another, root);
+    }
+  }
+
+  new Another().method();
+}
diff --git a/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/babel-flowtype-bindings/input.js b/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/babel-flowtype-bindings/input.js
new file mode 100644
index 0000000000..867f0c1312
--- /dev/null
+++ b/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/babel-flowtype-bindings/input.js
@@ -0,0 +1,10 @@
+import type { One, Two, Three } from "./src/mod";
+import { Four, type Five, typeof Six } from "./src/mod";
+
+type Other = {};
+
+const aConst = "a-const";
+
+export default function root() {
+  console.log("pause here", aConst, Four, root);
+}
diff --git a/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/babel-flowtype-bindings/src/mod.js b/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/babel-flowtype-bindings/src/mod.js
new file mode 100644
index 0000000000..c5f96ab664
--- /dev/null
+++ b/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/babel-flowtype-bindings/src/mod.js
@@ -0,0 +1,2 @@
+export default "a-default";
+export const Four = "one";
diff --git a/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/classes/input.js b/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/classes/input.js
new file mode 100644
index 0000000000..3fcc8859b3
--- /dev/null
+++ b/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/classes/input.js
@@ -0,0 +1,22 @@
+export default function root() {
+  let one = 1;
+
+  class Thing {
+    one() {
+      console.log("pause here");
+    }
+  }
+
+  class Another {
+    method() {
+      let two = 2;
+
+      const three = 3;
+
+      console.log("pause here", Another, one, Thing, root);
+    }
+  }
+
+  new Another().method();
+  new Thing().one();
+}
diff --git a/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/esmodules-cjs/input.js b/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/esmodules-cjs/input.js
new file mode 100644
index 0000000000..240d844162
--- /dev/null
+++ b/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/esmodules-cjs/input.js
@@ -0,0 +1,41 @@
+import aDefault from "./src/mod1";
+import { aNamed, aNamed as anotherNamed } from "./src/mod2";
+import { original as anAliased } from "./src/mod3";
+import * as aNamespace from "./src/mod4";
+
+import aDefault2 from "./src/mod5";
+import { aNamed2, aNamed2 as anotherNamed2 } from "./src/mod6";
+import { original as anAliased2 } from "./src/mod7";
+
+import aDefault3 from "./src/mod9";
+import { aNamed3, aNamed3 as anotherNamed3 } from "./src/mod10";
+import { original as anAliased3 } from "./src/mod11";
+
+import optimizedOut from "./src/optimized-out";
+optimizedOut();
+
+export default function root() {
+  console.log("pause here", root);
+
+  console.log(aDefault);
+  console.log(anAliased);
+  console.log(aNamed);
+  console.log(anotherNamed);
+  console.log(aNamespace);
+
+  try {
+    // None of these are callable in this code, but we still want to make sure
+    // they map properly even if the only reference is in a call expressions.
+    console.log(aDefault2());
+    console.log(anAliased2());
+    console.log(aNamed2());
+    console.log(anotherNamed2());
+
+    console.log(new aDefault3());
+    console.log(new anAliased3());
+    console.log(new aNamed3());
+    console.log(new anotherNamed3());
+  } catch (e) {}
+}
+
+export function example(){}
diff --git a/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/esmodules-cjs/src/mod1.js b/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/esmodules-cjs/src/mod1.js
new file mode 100644
index 0000000000..7ef4555146
--- /dev/null
+++ b/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/esmodules-cjs/src/mod1.js
@@ -0,0 +1 @@
+export default "a-default";
diff --git a/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/esmodules-cjs/src/mod10.js b/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/esmodules-cjs/src/mod10.js
new file mode 100644
index 0000000000..95c6aea486
--- /dev/null
+++ b/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/esmodules-cjs/src/mod10.js
@@ -0,0 +1 @@
+export const aNamed3 = "a-named3";
diff --git a/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/esmodules-cjs/src/mod11.js b/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/esmodules-cjs/src/mod11.js
new file mode 100644
index 0000000000..0436002e07
--- /dev/null
+++ b/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/esmodules-cjs/src/mod11.js
@@ -0,0 +1 @@
+export const original = "an-original3";
diff --git a/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/esmodules-cjs/src/mod12.js b/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/esmodules-cjs/src/mod12.js
new file mode 100644
index 0000000000..51a4d2889a
--- /dev/null
+++ b/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/esmodules-cjs/src/mod12.js
@@ -0,0 +1,2 @@
+export default "a-default3";
+export const aNamed = "a-named3";
diff --git a/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/esmodules-cjs/src/mod2.js b/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/esmodules-cjs/src/mod2.js
new file mode 100644
index 0000000000..1b2adae4c2
--- /dev/null
+++ b/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/esmodules-cjs/src/mod2.js
@@ -0,0 +1 @@
+export const aNamed = "a-named";
diff --git a/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/esmodules-cjs/src/mod3.js b/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/esmodules-cjs/src/mod3.js
new file mode 100644
index 0000000000..3432a8fb23
--- /dev/null
+++ b/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/esmodules-cjs/src/mod3.js
@@ -0,0 +1 @@
+export const original = "an-original";
diff --git a/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/esmodules-cjs/src/mod4.js b/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/esmodules-cjs/src/mod4.js
new file mode 100644
index 0000000000..8ae4b58dfb
--- /dev/null
+++ b/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/esmodules-cjs/src/mod4.js
@@ -0,0 +1,2 @@
+export default "a-default";
+export const aNamed = "a-named";
diff --git a/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/esmodules-cjs/src/mod5.js b/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/esmodules-cjs/src/mod5.js
new file mode 100644
index 0000000000..fae2f9e6b9
--- /dev/null
+++ b/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/esmodules-cjs/src/mod5.js
@@ -0,0 +1 @@
+export default "a-default2";
diff --git a/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/esmodules-cjs/src/mod6.js b/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/esmodules-cjs/src/mod6.js
new file mode 100644
index 0000000000..bca6172ca6
--- /dev/null
+++ b/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/esmodules-cjs/src/mod6.js
@@ -0,0 +1 @@
+export const aNamed2 = "a-named2";
diff --git a/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/esmodules-cjs/src/mod7.js b/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/esmodules-cjs/src/mod7.js
new file mode 100644
index 0000000000..5e7085eaa0
--- /dev/null
+++ b/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/esmodules-cjs/src/mod7.js
@@ -0,0 +1 @@
+export const original = "an-original2";
diff --git a/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/esmodules-cjs/src/mod8.js b/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/esmodules-cjs/src/mod8.js
new file mode 100644
index 0000000000..adbd8a9ae4
--- /dev/null
+++ b/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/esmodules-cjs/src/mod8.js
@@ -0,0 +1,2 @@
+export default "a-default2";
+export const aNamed = "a-named2";
diff --git a/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/esmodules-cjs/src/mod9.js b/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/esmodules-cjs/src/mod9.js
new file mode 100644
index 0000000000..089f470268
--- /dev/null
+++ b/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/esmodules-cjs/src/mod9.js
@@ -0,0 +1 @@
+export default "a-default3";
diff --git a/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/esmodules-cjs/src/optimized-out.js b/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/esmodules-cjs/src/optimized-out.js
new file mode 100644
index 0000000000..ba5844e2df
--- /dev/null
+++ b/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/esmodules-cjs/src/optimized-out.js
@@ -0,0 +1 @@
+export default function optimizedOut() {}
diff --git a/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/esmodules-es6/input.js b/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/esmodules-es6/input.js
new file mode 100644
index 0000000000..240d844162
--- /dev/null
+++ b/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/esmodules-es6/input.js
@@ -0,0 +1,41 @@
+import aDefault from "./src/mod1";
+import { aNamed, aNamed as anotherNamed } from "./src/mod2";
+import { original as anAliased } from "./src/mod3";
+import * as aNamespace from "./src/mod4";
+
+import aDefault2 from "./src/mod5";
+import { aNamed2, aNamed2 as anotherNamed2 } from "./src/mod6";
+import { original as anAliased2 } from "./src/mod7";
+
+import aDefault3 from "./src/mod9";
+import { aNamed3, aNamed3 as anotherNamed3 } from "./src/mod10";
+import { original as anAliased3 } from "./src/mod11";
+
+import optimizedOut from "./src/optimized-out";
+optimizedOut();
+
+export default function root() {
+  console.log("pause here", root);
+
+  console.log(aDefault);
+  console.log(anAliased);
+  console.log(aNamed);
+  console.log(anotherNamed);
+  console.log(aNamespace);
+
+  try {
+    // None of these are callable in this code, but we still want to make sure
+    // they map properly even if the only reference is in a call expressions.
+    console.log(aDefault2());
+    console.log(anAliased2());
+    console.log(aNamed2());
+    console.log(anotherNamed2());
+
+    console.log(new aDefault3());
+    console.log(new anAliased3());
+    console.log(new aNamed3());
+    console.log(new anotherNamed3());
+  } catch (e) {}
+}
+
+export function example(){}
diff --git a/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/esmodules-es6/src/mod1.js b/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/esmodules-es6/src/mod1.js
new file mode 100644
index 0000000000..7ef4555146
--- /dev/null
+++ b/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/esmodules-es6/src/mod1.js
@@ -0,0 +1 @@
+export default "a-default";
diff --git a/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/esmodules-es6/src/mod10.js b/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/esmodules-es6/src/mod10.js
new file mode 100644
index 0000000000..95c6aea486
--- /dev/null
+++ b/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/esmodules-es6/src/mod10.js
@@ -0,0 +1 @@
+export const aNamed3 = "a-named3";
diff --git a/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/esmodules-es6/src/mod11.js b/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/esmodules-es6/src/mod11.js
new file mode 100644
index 0000000000..0436002e07
--- /dev/null
+++ b/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/esmodules-es6/src/mod11.js
@@ -0,0 +1 @@
+export const original = "an-original3";
diff --git a/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/esmodules-es6/src/mod12.js b/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/esmodules-es6/src/mod12.js
new file mode 100644
index 0000000000..51a4d2889a
--- /dev/null
+++ b/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/esmodules-es6/src/mod12.js
@@ -0,0 +1,2 @@
+export default "a-default3";
+export const aNamed = "a-named3";
diff --git a/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/esmodules-es6/src/mod2.js b/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/esmodules-es6/src/mod2.js
new file mode 100644
index 0000000000..1b2adae4c2
--- /dev/null
+++ b/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/esmodules-es6/src/mod2.js
@@ -0,0 +1 @@
+export const aNamed = "a-named";
diff --git a/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/esmodules-es6/src/mod3.js b/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/esmodules-es6/src/mod3.js
new file mode 100644
index 0000000000..3432a8fb23
--- /dev/null
+++ b/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/esmodules-es6/src/mod3.js
@@ -0,0 +1 @@
+export const original = "an-original";
diff --git a/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/esmodules-es6/src/mod4.js b/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/esmodules-es6/src/mod4.js
new file mode 100644
index 0000000000..8ae4b58dfb
--- /dev/null
+++ b/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/esmodules-es6/src/mod4.js
@@ -0,0 +1,2 @@
+export default "a-default";
+export const aNamed = "a-named";
diff --git a/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/esmodules-es6/src/mod5.js b/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/esmodules-es6/src/mod5.js
new file mode 100644
index 0000000000..fae2f9e6b9
--- /dev/null
+++ b/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/esmodules-es6/src/mod5.js
@@ -0,0 +1 @@
+export default "a-default2";
diff --git a/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/esmodules-es6/src/mod6.js b/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/esmodules-es6/src/mod6.js
new file mode 100644
index 0000000000..bca6172ca6
--- /dev/null
+++ b/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/esmodules-es6/src/mod6.js
@@ -0,0 +1 @@
+export const aNamed2 = "a-named2";
diff --git a/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/esmodules-es6/src/mod7.js b/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/esmodules-es6/src/mod7.js
new file mode 100644
index 0000000000..5e7085eaa0
--- /dev/null
+++ b/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/esmodules-es6/src/mod7.js
@@ -0,0 +1 @@
+export const original = "an-original2";
diff --git a/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/esmodules-es6/src/mod8.js b/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/esmodules-es6/src/mod8.js
new file mode 100644
index 0000000000..adbd8a9ae4
--- /dev/null
+++ b/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/esmodules-es6/src/mod8.js
@@ -0,0 +1,2 @@
+export default "a-default2";
+export const aNamed = "a-named2";
diff --git a/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/esmodules-es6/src/mod9.js b/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/esmodules-es6/src/mod9.js
new file mode 100644
index 0000000000..089f470268
--- /dev/null
+++ b/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/esmodules-es6/src/mod9.js
@@ -0,0 +1 @@
+export default "a-default3";
diff --git a/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/esmodules-es6/src/optimized-out.js b/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/esmodules-es6/src/optimized-out.js
new file mode 100644
index 0000000000..ba5844e2df
--- /dev/null
+++ b/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/esmodules-es6/src/optimized-out.js
@@ -0,0 +1 @@
+export default function optimizedOut() {}
diff --git a/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/esmodules/input.js b/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/esmodules/input.js
new file mode 100644
index 0000000000..240d844162
--- /dev/null
+++ b/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/esmodules/input.js
@@ -0,0 +1,41 @@
+import aDefault from "./src/mod1";
+import { aNamed, aNamed as anotherNamed } from "./src/mod2";
+import { original as anAliased } from "./src/mod3";
+import * as aNamespace from "./src/mod4";
+
+import aDefault2 from "./src/mod5";
+import { aNamed2, aNamed2 as anotherNamed2 } from "./src/mod6";
+import { original as anAliased2 } from "./src/mod7";
+
+import aDefault3 from "./src/mod9";
+import { aNamed3, aNamed3 as anotherNamed3 } from "./src/mod10";
+import { original as anAliased3 } from "./src/mod11";
+
+import optimizedOut from "./src/optimized-out";
+optimizedOut();
+
+export default function root() {
+  console.log("pause here", root);
+
+  console.log(aDefault);
+  console.log(anAliased);
+  console.log(aNamed);
+  console.log(anotherNamed);
+  console.log(aNamespace);
+
+  try {
+    // None of these are callable in this code, but we still want to make sure
+    // they map properly even if the only reference is in a call expressions.
+    console.log(aDefault2());
+    console.log(anAliased2());
+    console.log(aNamed2());
+    console.log(anotherNamed2());
+
+    console.log(new aDefault3());
+    console.log(new anAliased3());
+    console.log(new aNamed3());
+    console.log(new anotherNamed3());
+  } catch (e) {}
+}
+
+export function example(){}
diff --git a/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/esmodules/src/mod1.js b/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/esmodules/src/mod1.js
new file mode 100644
index 0000000000..7ef4555146
--- /dev/null
+++ b/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/esmodules/src/mod1.js
@@ -0,0 +1 @@
+export default "a-default";
diff --git a/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/esmodules/src/mod10.js b/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/esmodules/src/mod10.js
new file mode 100644
index 0000000000..95c6aea486
--- /dev/null
+++ b/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/esmodules/src/mod10.js
@@ -0,0 +1 @@
+export const aNamed3 = "a-named3";
diff --git a/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/esmodules/src/mod11.js b/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/esmodules/src/mod11.js
new file mode 100644
index 0000000000..0436002e07
--- /dev/null
+++ b/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/esmodules/src/mod11.js
@@ -0,0 +1 @@
+export const original = "an-original3";
diff --git a/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/esmodules/src/mod12.js b/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/esmodules/src/mod12.js
new file mode 100644
index 0000000000..51a4d2889a
--- /dev/null
+++ b/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/esmodules/src/mod12.js
@@ -0,0 +1,2 @@
+export default "a-default3";
+export const aNamed = "a-named3";
diff --git a/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/esmodules/src/mod2.js b/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/esmodules/src/mod2.js
new file mode 100644
index 0000000000..1b2adae4c2
--- /dev/null
+++ b/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/esmodules/src/mod2.js
@@ -0,0 +1 @@
+export const aNamed = "a-named";
diff --git a/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/esmodules/src/mod3.js b/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/esmodules/src/mod3.js
new file mode 100644
index 0000000000..3432a8fb23
--- /dev/null
+++ b/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/esmodules/src/mod3.js
@@ -0,0 +1 @@
+export const original = "an-original";
diff --git a/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/esmodules/src/mod4.js b/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/esmodules/src/mod4.js
new file mode 100644
index 0000000000..8ae4b58dfb
--- /dev/null
+++ b/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/esmodules/src/mod4.js
@@ -0,0 +1,2 @@
+export default "a-default";
+export const aNamed = "a-named";
diff --git a/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/esmodules/src/mod5.js b/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/esmodules/src/mod5.js
new file mode 100644
index 0000000000..fae2f9e6b9
--- /dev/null
+++ b/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/esmodules/src/mod5.js
@@ -0,0 +1 @@
+export default "a-default2";
diff --git a/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/esmodules/src/mod6.js b/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/esmodules/src/mod6.js
new file mode 100644
index 0000000000..bca6172ca6
--- /dev/null
+++ b/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/esmodules/src/mod6.js
@@ -0,0 +1 @@
+export const aNamed2 = "a-named2";
diff --git a/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/esmodules/src/mod7.js b/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/esmodules/src/mod7.js
new file mode 100644
index 0000000000..5e7085eaa0
--- /dev/null
+++ b/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/esmodules/src/mod7.js
@@ -0,0 +1 @@
+export const original = "an-original2";
diff --git a/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/esmodules/src/mod8.js b/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/esmodules/src/mod8.js
new file mode 100644
index 0000000000..adbd8a9ae4
--- /dev/null
+++ b/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/esmodules/src/mod8.js
@@ -0,0 +1,2 @@
+export default "a-default2";
+export const aNamed = "a-named2";
diff --git a/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/esmodules/src/mod9.js b/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/esmodules/src/mod9.js
new file mode 100644
index 0000000000..089f470268
--- /dev/null
+++ b/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/esmodules/src/mod9.js
@@ -0,0 +1 @@
+export default "a-default3";
diff --git a/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/esmodules/src/optimized-out.js b/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/esmodules/src/optimized-out.js
new file mode 100644
index 0000000000..ba5844e2df
--- /dev/null
+++ b/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/esmodules/src/optimized-out.js
@@ -0,0 +1 @@
+export default function optimizedOut() {}
diff --git a/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/eval-maps/input.js b/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/eval-maps/input.js
new file mode 100644
index 0000000000..c2cf5ac8cf
--- /dev/null
+++ b/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/eval-maps/input.js
@@ -0,0 +1,16 @@
+
+export default function root() {
+  var one = 1;
+  let two = 2;
+  const three = 3;
+
+  one;
+  two;
+
+  {
+    let two = 4;
+    const three = 5;
+
+    console.log("pause here", one, two, three);
+  }
+}
diff --git a/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/for-loops/input.js b/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/for-loops/input.js
new file mode 100644
index 0000000000..9cf3bfd0dc
--- /dev/null
+++ b/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/for-loops/input.js
@@ -0,0 +1,15 @@
+export default function root() {
+  let i = 0;
+
+  for (let i = 1; i < 2; i++) {
+    console.log("pause here", root);
+  }
+
+  for (let i in { 2: "" }) {
+    console.log("pause here", root);
+  }
+
+  for (let i of [3]) {
+    console.log("pause here", root);
+  }
+}
diff --git a/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/for-of/input.js b/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/for-of/input.js
new file mode 100644
index 0000000000..f6a9df426b
--- /dev/null
+++ b/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/for-of/input.js
@@ -0,0 +1,12 @@
+const mod = "module scoped";
+
+export default function forOf() {
+  for (const x of [1]) {
+    doThing(x);
+  }
+
+  function doThing(arg) {
+    // Avoid optimize out
+    window.console;
+  }
+}
diff --git a/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/functions/input.js b/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/functions/input.js
new file mode 100644
index 0000000000..70e7b2cfb9
--- /dev/null
+++ b/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/functions/input.js
@@ -0,0 +1,14 @@
+export default function root() {
+
+  function decl(p1) {
+    const inner = function inner(p2) {
+      const arrow = (p3) => {
+        console.log("pause here", p3, arrow, p2, inner, p1, decl, root);
+      };
+      arrow();
+    };
+    inner();
+  }
+
+  decl();
+}
diff --git a/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/lex-and-nonlex/input.js b/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/lex-and-nonlex/input.js
new file mode 100644
index 0000000000..5704081677
--- /dev/null
+++ b/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/lex-and-nonlex/input.js
@@ -0,0 +1,9 @@
+export default function root() {
+  function someHelper(){
+    console.log("pause here", root, Thing);
+  }
+
+  class Thing {}
+
+  someHelper();
+}
diff --git a/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/line-start-bindings-es6/input.js b/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/line-start-bindings-es6/input.js
new file mode 100644
index 0000000000..27947833e2
--- /dev/null
+++ b/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/line-start-bindings-es6/input.js
@@ -0,0 +1,23 @@
+
+export default function root() {
+  function aFunc(){
+    // Since these bindings are on their own linem, the mappings will
+    // extend to the start of the line, rather than starting at the first
+    // character of the binding.
+    const {
+      one,
+      two
+    } = {
+      one: 1,
+      two: 2,
+    };
+
+    // The 'this' binding here is also its own line, so the comment above
+    // applies here too.
+    this.thing = 4;
+
+    console.log("pause here", root);
+  }
+
+  aFunc.call({ });
+}
diff --git a/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/modules-cjs/input.js b/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/modules-cjs/input.js
new file mode 100644
index 0000000000..daf9c6213d
--- /dev/null
+++ b/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/modules-cjs/input.js
@@ -0,0 +1,8 @@
+var moduleScoped = 1;
+let alsoModuleScoped = 2;
+
+function thirdModuleScoped() {}
+
+exports.default = function() {
+  console.log("pause here", moduleScoped, alsoModuleScoped, thirdModuleScoped);
+};
diff --git a/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/out-of-order-declarations-cjs/input.js b/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/out-of-order-declarations-cjs/input.js
new file mode 100644
index 0000000000..cb54ba8bd3
--- /dev/null
+++ b/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/out-of-order-declarations-cjs/input.js
@@ -0,0 +1,17 @@
+var val = "outer-value";
+
+export default function root() {
+  var val = "middle-value";
+  var fn = function outerFn(outer){};
+
+  function callback() {
+    console.log("pause here", val, aDefault, fn);
+
+    var val = "inner-value";
+    function fn(inner){};
+  }
+
+  callback();
+}
+
+import aDefault from "./src/mod";
diff --git a/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/out-of-order-declarations-cjs/src/mod.js b/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/out-of-order-declarations-cjs/src/mod.js
new file mode 100644
index 0000000000..7ef4555146
--- /dev/null
+++ b/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/out-of-order-declarations-cjs/src/mod.js
@@ -0,0 +1 @@
+export default "a-default";
diff --git a/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/shadowed-vars/input.js b/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/shadowed-vars/input.js
new file mode 100644
index 0000000000..abafae5f97
--- /dev/null
+++ b/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/shadowed-vars/input.js
@@ -0,0 +1,21 @@
+export default function() {
+  var aVar = "var1";
+  let aLet = "let1";
+  const aConst = "const1";
+
+  class Outer {}
+  {
+    function Outer() {}
+
+    var aVar = "var2";
+    let aLet = "let2";
+    const aConst = "const2";
+    {
+      var aVar = "var3";
+      let aLet = "let3";
+      const aConst = "const3";
+
+      console.log("pause here");
+    }
+  }
+}
diff --git a/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/step-over-for-of-array-closure/input.js b/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/step-over-for-of-array-closure/input.js
new file mode 100644
index 0000000000..b708464367
--- /dev/null
+++ b/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/step-over-for-of-array-closure/input.js
@@ -0,0 +1,10 @@
+// Babel will optimize this for..of because it call tell the value is an array.
+export default function root() {
+  console.log("pause here");
+
+  for (const val of [1, 2]) {
+    console.log("pause again", (() => val)());
+  }
+
+  console.log("done");
+}
diff --git a/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/step-over-for-of-array/input.js b/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/step-over-for-of-array/input.js
new file mode 100644
index 0000000000..c703059b07
--- /dev/null
+++ b/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/step-over-for-of-array/input.js
@@ -0,0 +1,10 @@
+// Babel will optimize this for..of because it call tell the value is an array.
+export default function root() {
+  console.log("pause here");
+
+  for (const val of [1, 2]) {
+    console.log("pause again", val);
+  }
+
+  console.log("done");
+}
diff --git a/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/step-over-for-of-closure/input.js b/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/step-over-for-of-closure/input.js
new file mode 100644
index 0000000000..abe1e361b9
--- /dev/null
+++ b/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/step-over-for-of-closure/input.js
@@ -0,0 +1,13 @@
+// Babel will convert the loop body to a function to handle the 'val' lexical
+// enclosure behavior.
+const vals = [1, 2];
+
+export default function root() {
+  console.log("pause here");
+
+  for (const val of vals) {
+    console.log("pause again", (() => val)());
+  }
+
+  console.log("done");
+}
diff --git a/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/step-over-for-of/input.js b/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/step-over-for-of/input.js
new file mode 100644
index 0000000000..a0aca4135c
--- /dev/null
+++ b/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/step-over-for-of/input.js
@@ -0,0 +1,11 @@
+const vals = [1, 2];
+
+export default function root() {
+  console.log("pause here");
+
+  for (const val of vals) {
+    console.log("pause again", val);
+  }
+
+  console.log("done");
+}
diff --git a/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/step-over-function-params/input.js b/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/step-over-function-params/input.js
new file mode 100644
index 0000000000..1cbd8c8180
--- /dev/null
+++ b/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/step-over-function-params/input.js
@@ -0,0 +1,8 @@
+function test(a1, a2 = 45, { a3, a4, a5: { a6: a7 } = {} } = {}) {
+  console.log("pause next here");
+}
+
+export default function fn() {
+  console.log("pause here");
+  test("1", undefined, { a3: "3", a4: "4", a5: { a6: "7" } });
+}
diff --git a/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/step-over-regenerator-await/input.js b/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/step-over-regenerator-await/input.js
new file mode 100644
index 0000000000..2afb29bcf7
--- /dev/null
+++ b/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/step-over-regenerator-await/input.js
@@ -0,0 +1,15 @@
+var fn = async function fn() {
+  console.log("pause here");
+
+  await doAsync();
+
+  console.log("stopped here");
+};
+
+function doAsync() {
+  return Promise.resolve();
+}
+
+export default function root() {
+  fn();
+}
diff --git a/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/switches/input.js b/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/switches/input.js
new file mode 100644
index 0000000000..873b268fc1
--- /dev/null
+++ b/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/switches/input.js
@@ -0,0 +1,13 @@
+export default function root() {
+  let val = 1;
+
+  switch (true) {
+    case true:
+      let val = 2;
+      console.log("pause here", root);
+    default: {
+      let val = 3;
+      console.log("pause here", root);
+    }
+  }
+}
diff --git a/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/this-arguments-bindings/input.js b/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/this-arguments-bindings/input.js
new file mode 100644
index 0000000000..3db6ea720c
--- /dev/null
+++ b/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/this-arguments-bindings/input.js
@@ -0,0 +1,14 @@
+export default function root() {
+  function fn(arg) {
+    console.log(this, arguments);
+    console.log("pause here", fn, root);
+
+    const arrow = argArrow => {
+      console.log(this, arguments);
+      console.log("pause here", fn, root);
+    };
+    arrow("arrow-arg");
+  }
+
+  fn.call("this-value", "arg-value");
+}
diff --git a/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/try-catches/input.js b/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/try-catches/input.js
new file mode 100644
index 0000000000..2e557e5870
--- /dev/null
+++ b/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/try-catches/input.js
@@ -0,0 +1,10 @@
+export default function root() {
+  const one = 1;
+
+  try {
+    throw "AnError";
+  } catch (err) {
+    let two = 2;
+    console.log("pause here", root);
+  }
+}
diff --git a/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/type-module/input.js b/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/type-module/input.js
new file mode 100644
index 0000000000..058577e13c
--- /dev/null
+++ b/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/type-module/input.js
@@ -0,0 +1,8 @@
+var moduleScoped = 1;
+let alsoModuleScoped = 2;
+
+function thirdModuleScoped() {}
+
+export default function() {
+  console.log("pause here", moduleScoped, alsoModuleScoped, thirdModuleScoped);
+}
diff --git a/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/type-script-cjs/input.js b/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/type-script-cjs/input.js
new file mode 100644
index 0000000000..6032b04036
--- /dev/null
+++ b/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/type-script-cjs/input.js
@@ -0,0 +1,10 @@
+var moduleScoped = 1;
+let alsoModuleScopes = 2;
+
+function thirdModuleScoped() {}
+
+function nonModules() {
+  console.log("pause here");
+}
+
+exports.default = nonModules;
diff --git a/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/typescript-classes/input.ts b/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/typescript-classes/input.ts
new file mode 100644
index 0000000000..d125c7328c
--- /dev/null
+++ b/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/typescript-classes/input.ts
@@ -0,0 +1,51 @@
+// This file essentially reproduces an example Angular component to map testing,
+// among other typescript edge cases.
+
+import def, { decoratorFactory } from './src/mod.ts';
+
+import * as ns from './src/mod.ts';
+
+@decoratorFactory({
+  selector: 'app-root',
+})
+export class AppComponent {
+  title = 'app';
+}
+
+const fn = arg => {
+  console.log("here");
+};
+fn("arg");
+
+// Un-decorated exported classes present a mapping challege because
+// the class name is mapped to an unhelpful export assignment.
+export class ExportedOther {
+  title = 'app';
+}
+
+class AnotherThing {
+  prop = 4;
+}
+
+const ExpressionClass = class Foo {
+  prop = 4;
+};
+
+class SubDecl extends AnotherThing {
+  prop = 4;
+}
+
+let SubVar = class SubExpr extends AnotherThing {
+  prop = 4;
+};
+
+ns;
+
+export default function(){
+  // This file is specifically for testing the mappings of classes and things
+  // above, which means we don't want to include _other_ references to then.
+  // To avoid having them be optimized out, we include a no-op eval.
+  eval("");
+
+  console.log("pause here");
+}
diff --git a/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/typescript-classes/src/mod.ts b/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/typescript-classes/src/mod.ts
new file mode 100644
index 0000000000..4a0cb8326a
--- /dev/null
+++ b/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/typescript-classes/src/mod.ts
@@ -0,0 +1,8 @@
+
+export function decoratorFactory(opts: { selector: string }) {
+  return function decorator(target) {
+    return <any>target;
+  };
+}
+
+export default function def() {}
diff --git a/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/webpack-functions/input.js b/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/webpack-functions/input.js
new file mode 100644
index 0000000000..001c02da86
--- /dev/null
+++ b/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/webpack-functions/input.js
@@ -0,0 +1,12 @@
+var module = {};
+
+module.exports = function(x) {
+  return x * 2;
+};
+
+
+export default function root() {
+  // This example is structures to look like CommonJS in order to replicate
+  // a previously-encountered bug.
+  module.exports(4);
+}
diff --git a/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/webpack-line-mappings/input.js b/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/webpack-line-mappings/input.js
new file mode 100644
index 0000000000..62ba478aec
--- /dev/null
+++ b/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/webpack-line-mappings/input.js
@@ -0,0 +1,18 @@
+import aDefault from "./src/mod1";
+
+export default function root() {
+  let one = 1;
+
+  {
+    const two = 2;
+
+    var fn = function someName(arg) {
+      console.log(this, arguments);
+      console.log("pause here", aDefault, one, two, fn, arg);
+
+      var inner = (arg) => { var body = "42"; console.log("pause here", body, root); };
+      inner();
+    };
+    fn.call("this-value", "arg-value");
+  }
+}
diff --git a/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/webpack-line-mappings/src/mod1.js b/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/webpack-line-mappings/src/mod1.js
new file mode 100644
index 0000000000..7ef4555146
--- /dev/null
+++ b/devtools/client/debugger/test/mochitest/examples/sourcemapped/fixtures/webpack-line-mappings/src/mod1.js
@@ -0,0 +1 @@
+export default "a-default";