1 files changed, 169 insertions, 0 deletions
diff --git a/devtools/client/shared/source-map-loader/test/browser/browser_source-map.js b/devtools/client/shared/source-map-loader/test/browser/browser_source-map.js
new file mode 100644
index 0000000000..3493953d1c
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+++ b/devtools/client/shared/source-map-loader/test/browser/browser_source-map.js
@@ -0,0 +1,169 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+// Cover the high level API of these modules:
+// getOriginalURLs getGeneratedRangesForOriginal functions
+
+async function assertFixtureOriginalURLs(
+  fixtureName,
+  expectedUrls,
+  testMessage
+) {
+  const originalSources = await fetchFixtureSourceMap(fixtureName);
+  const urls = originalSources.map(s => s.url);
+  Assert.deepEqual(urls, expectedUrls, testMessage);
+}
+
+add_task(async function testGetOriginalURLs() {
+  await assertFixtureOriginalURLs(
+    "absolute",
+    ["https://example.com/cheese/heart.js"],
+    "Test absolute URL"
+  );
+
+  await assertFixtureOriginalURLs(
+    "bundle",
+    [
+      "webpack:///webpack/bootstrap%204ef8c7ec7c1df790781e",
+      "webpack:///entry.js",
+      "webpack:///times2.js",
+      "webpack:///output.js",
+      "webpack:///opts.js",
+    ],
+    "Test source with a url"
+  );
+
+  await assertFixtureOriginalURLs(
+    "empty",
+    [`${URL_ROOT_SSL}fixtures/heart.js`],
+    "Test empty sourceRoot resolution"
+  );
+
+  await assertFixtureOriginalURLs(
+    "noroot",
+    [`${URL_ROOT_SSL}fixtures/heart.js`],
+    "Test Non-existing sourceRoot resolution"
+  );
+
+  await assertFixtureOriginalURLs(
+    "noroot2",
+    [`${URL_ROOT_SSL}fixtures/heart.js`],
+    "Test Non-existing sourceRoot resolution with relative URLs"
+  );
+});
+
+add_task(async function testGetGeneratedRangesForOriginal() {
+  const originals = await fetchFixtureSourceMap("intermingled-sources");
+
+  const ranges = await gSourceMapLoader.getGeneratedRangesForOriginal(
+    originals[0].id
+  );
+
+  Assert.deepEqual(
+    ranges,
+    [
+      {
+        start: {
+          line: 4,
+          column: 69,
+        },
+        end: {
+          line: 9,
+          column: Infinity,
+        },
+      },
+      {
+        start: {
+          line: 11,
+          column: 0,
+        },
+        end: {
+          line: 17,
+          column: 3,
+        },
+      },
+      {
+        start: {
+          line: 19,
+          column: 18,
+        },
+        end: {
+          line: 19,
+          column: 22,
+        },
+      },
+      {
+        start: {
+          line: 26,
+          column: 0,
+        },
+        end: {
+          line: 26,
+          column: Infinity,
+        },
+      },
+      {
+        start: {
+          line: 28,
+          column: 0,
+        },
+        end: {
+          line: 28,
+          column: Infinity,
+        },
+      },
+    ],
+    "Test the overall generated ranges on the source"
+  );
+
+  {
+    // Note that we have to clear the source map in order to get the merged ranges,
+    // otherwise we are still fetching the previous unmerged ones!
+    const secondOriginals = await fetchFixtureSourceMap("intermingled-sources");
+    const mergedRanges = await gSourceMapLoader.getGeneratedRangesForOriginal(
+      secondOriginals[0].id,
+      true
+    );
+
+    Assert.deepEqual(
+      mergedRanges,
+      [
+        {
+          start: {
+            line: 4,
+            column: 69,
+          },
+          end: {
+            line: 28,
+            column: Infinity,
+          },
+        },
+      ],
+      "Test the merged generated ranges on the source"
+    );
+  }
+});
+
+add_task(async function testBaseURLErrorHandling() {
+  const source = {
+    id: "missingmap.js",
+    sourceMapURL: "missingmap.js.map",
+    // Notice the duplicated ":" which cause the error here
+    sourceMapBaseURL: "http:://example.com/",
+  };
+
+  const onError = gSourceMapLoader.once("source-map-error");
+  is(
+    await gSourceMapLoader.getOriginalURLs(source),
+    null,
+    "The error is silented..."
+  );
+  info("Wait for source-map-error event");
+  const error = await onError;
+  is(
+    error,
+    `Source map error: Error: URL constructor: http:://example.com/ is not a valid URL.\nResource URL: undefined\nSource Map URL: missingmap.js.map`
+  );
+});