[wasm] Add inspector test for stepping

test/inspector/debugger/wasm-stepping-expected.txt

Index: test/inspector/debugger/wasm-stepping-expected.txt
diff --git a/test/inspector/debugger/wasm-stepping-expected.txt b/test/inspector/debugger/wasm-stepping-expected.txt
new file mode 100644
index 0000000000000000000000000000000000000000..7e5e6f9e4b9546c3c72222a53564229b50ccc005
--- /dev/null
+++ b/test/inspector/debugger/wasm-stepping-expected.txt
@@ -0,0 +1,83 @@
+Installing code an global variable.
+Calling instantiate function.
+Waiting for two wasm scripts to be parsed.
+Ignoring script with url v8://test/callInstantiate
+Got wasm script: wasm://wasm/wasm-ccfaf3fa/wasm-ccfaf3fa-0
+Requesting source for wasm://wasm/wasm-ccfaf3fa/wasm-ccfaf3fa-0...
+Got wasm script: wasm://wasm/wasm-ccfaf3fa/wasm-ccfaf3fa-1
+Requesting source for wasm://wasm/wasm-ccfaf3fa/wasm-ccfaf3fa-1...
+func $wasm_A
+  nop
+  nop
+end
+
+func $wasm_B (param i32)
+  loop
+    get_local 0
+    if
+      get_local 0
+      i32.const 1
+      i32.sub
+      set_local 0
+      call 0
+      br 1
+    end
+  end
+end
+
+Setting breakpoint on line 7 (on the setlocal before the call), url wasm://wasm/wasm-ccfaf3fa/wasm-ccfaf3fa-1
+{
+    columnNumber : 6
+    lineNumber : 7
+    scriptId : <scriptId>
+}
+Paused at wasm://wasm/wasm-ccfaf3fa/wasm-ccfaf3fa-1:7:6:       >set_local 0
+Step action: stepInto
+Paused at wasm://wasm/wasm-ccfaf3fa/wasm-ccfaf3fa-1:8:6:       >call 0
+Step action: stepInto
+Paused at wasm://wasm/wasm-ccfaf3fa/wasm-ccfaf3fa-0:1:2:   >nop
+Step action: stepOver
+Paused at wasm://wasm/wasm-ccfaf3fa/wasm-ccfaf3fa-0:2:2:   >nop
+Step action: stepOut
+Paused at wasm://wasm/wasm-ccfaf3fa/wasm-ccfaf3fa-1:9:6:       >br 1
+Step action: stepOut
+Paused at wasm://wasm/wasm-ccfaf3fa/wasm-ccfaf3fa-1:7:6:       >set_local 0
+Step action: stepOver
+Paused at wasm://wasm/wasm-ccfaf3fa/wasm-ccfaf3fa-1:8:6:       >call 0
+Step action: stepOver
+Paused at wasm://wasm/wasm-ccfaf3fa/wasm-ccfaf3fa-1:9:6:       >br 1
+Step action: resume
+Paused at wasm://wasm/wasm-ccfaf3fa/wasm-ccfaf3fa-1:7:6:       >set_local 0
+Step action: stepInto
+Paused at wasm://wasm/wasm-ccfaf3fa/wasm-ccfaf3fa-1:8:6:       >call 0
+Step action: stepInto
+Paused at wasm://wasm/wasm-ccfaf3fa/wasm-ccfaf3fa-0:1:2:   >nop
+Step action: stepOut
+Paused at wasm://wasm/wasm-ccfaf3fa/wasm-ccfaf3fa-1:9:6:       >br 1
+Step action: stepInto
+Paused at wasm://wasm/wasm-ccfaf3fa/wasm-ccfaf3fa-1:1:2:   >loop
+Step action: stepInto
+Paused at wasm://wasm/wasm-ccfaf3fa/wasm-ccfaf3fa-1:2:4:     >get_local 0
+Step action: stepInto
+Paused at wasm://wasm/wasm-ccfaf3fa/wasm-ccfaf3fa-1:3:4:     >if
+Step action: stepInto
+Paused at wasm://wasm/wasm-ccfaf3fa/wasm-ccfaf3fa-1:4:6:       >get_local 0
+Step action: stepInto
+Paused at wasm://wasm/wasm-ccfaf3fa/wasm-ccfaf3fa-1:5:6:       >i32.const 1
+Step action: stepInto
+Paused at wasm://wasm/wasm-ccfaf3fa/wasm-ccfaf3fa-1:6:6:       >i32.sub
+Step action: stepInto
+Paused at wasm://wasm/wasm-ccfaf3fa/wasm-ccfaf3fa-1:7:6:       >set_local 0
+Step action: stepInto
+Paused at wasm://wasm/wasm-ccfaf3fa/wasm-ccfaf3fa-1:8:6:       >call 0
+Step action: stepInto
+Paused at wasm://wasm/wasm-ccfaf3fa/wasm-ccfaf3fa-0:1:2:   >nop
+Step action: stepInto
+Paused at wasm://wasm/wasm-ccfaf3fa/wasm-ccfaf3fa-0:2:2:   >nop
+Step action: stepInto
+Paused at wasm://wasm/wasm-ccfaf3fa/wasm-ccfaf3fa-0:3:0: >end
+Step action: stepInto
+Paused at wasm://wasm/wasm-ccfaf3fa/wasm-ccfaf3fa-0:0:0: >func $wasm_A
+Step action: resume
+exports.main returned!
+Finished!