/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
// The functions in this file verify that the assumptions we are making
// about state in an instruction are correct before implementing any logic.
// They are meant only to be called in dev mode as sanity checks.
import { stringify } from './stringify';
export function assertNumber(actual, msg) {
    if (!(typeof actual === 'number')) {
        throwError(msg, typeof actual, 'number', '===');
    }
}
export function assertNumberInRange(actual, minInclusive, maxInclusive) {
    assertNumber(actual, 'Expected a number');
    assertLessThanOrEqual(actual, maxInclusive, 'Expected number to be less than or equal to');
    assertGreaterThanOrEqual(actual, minInclusive, 'Expected number to be greater than or equal to');
}
export function assertString(actual, msg) {
    if (!(typeof actual === 'string')) {
        throwError(msg, actual === null ? 'null' : typeof actual, 'string', '===');
    }
}
export function assertFunction(actual, msg) {
    if (!(typeof actual === 'function')) {
        throwError(msg, actual === null ? 'null' : typeof actual, 'function', '===');
    }
}
export function assertEqual(actual, expected, msg) {
    if (!(actual == expected)) {
        throwError(msg, actual, expected, '==');
    }
}
export function assertNotEqual(actual, expected, msg) {
    if (!(actual != expected)) {
        throwError(msg, actual, expected, '!=');
    }
}
export function assertSame(actual, expected, msg) {
    if (!(actual === expected)) {
        throwError(msg, actual, expected, '===');
    }
}
export function assertNotSame(actual, expected, msg) {
    if (!(actual !== expected)) {
        throwError(msg, actual, expected, '!==');
    }
}
export function assertLessThan(actual, expected, msg) {
    if (!(actual < expected)) {
        throwError(msg, actual, expected, '<');
    }
}
export function assertLessThanOrEqual(actual, expected, msg) {
    if (!(actual <= expected)) {
        throwError(msg, actual, expected, '<=');
    }
}
export function assertGreaterThan(actual, expected, msg) {
    if (!(actual > expected)) {
        throwError(msg, actual, expected, '>');
    }
}
export function assertGreaterThanOrEqual(actual, expected, msg) {
    if (!(actual >= expected)) {
        throwError(msg, actual, expected, '>=');
    }
}
export function assertNotDefined(actual, msg) {
    if (actual != null) {
        throwError(msg, actual, null, '==');
    }
}
export function assertDefined(actual, msg) {
    if (actual == null) {
        throwError(msg, actual, null, '!=');
    }
}
export function throwError(msg, actual, expected, comparison) {
    throw new Error(`ASSERTION ERROR: ${msg}` +
        (comparison == null ? '' : ` [Expected=> ${expected} ${comparison} ${actual} <=Actual]`));
}
export function assertDomNode(node) {
    if (!(node instanceof Node)) {
        throwError(`The provided value must be an instance of a DOM Node but got ${stringify(node)}`);
    }
}
export function assertIndexInRange(arr, index) {
    assertDefined(arr, 'Array must be defined.');
    const maxLen = arr.length;
    if (index < 0 || index >= maxLen) {
        throwError(`Index expected to be less than ${maxLen} but got ${index}`);
    }
}
export function assertOneOf(value, ...validValues) {
    if (validValues.indexOf(value) !== -1)
        return true;
    throwError(`Expected value to be one of ${JSON.stringify(validValues)} but was ${JSON.stringify(value)}.`);
}
//# sourceMappingURL=data:application/json;base64,{"version":3,"file":"assert.js","sourceRoot":"","sources":["../../../../../../../packages/core/src/util/assert.ts"],"names":[],"mappings":"AAAA;;;;;;GAMG;AAEH,uEAAuE;AACvE,2EAA2E;AAC3E,iEAAiE;AAEjE,OAAO,EAAC,SAAS,EAAC,MAAM,aAAa,CAAC;AAEtC,MAAM,UAAU,YAAY,CAAC,MAAW,EAAE,GAAW;IACnD,IAAI,CAAC,CAAC,OAAO,MAAM,KAAK,QAAQ,CAAC,EAAE;QACjC,UAAU,CAAC,GAAG,EAAE,OAAO,MAAM,EAAE,QAAQ,EAAE,KAAK,CAAC,CAAC;KACjD;AACH,CAAC;AAED,MAAM,UAAU,mBAAmB,CAC/B,MAAW,EAAE,YAAoB,EAAE,YAAoB;IACzD,YAAY,CAAC,MAAM,EAAE,mBAAmB,CAAC,CAAC;IAC1C,qBAAqB,CAAC,MAAM,EAAE,YAAY,EAAE,6CAA6C,CAAC,CAAC;IAC3F,wBAAwB,CAAC,MAAM,EAAE,YAAY,EAAE,gDAAgD,CAAC,CAAC;AACnG,CAAC;AAED,MAAM,UAAU,YAAY,CAAC,MAAW,EAAE,GAAW;IACnD,IAAI,CAAC,CAAC,OAAO,MAAM,KAAK,QAAQ,CAAC,EAAE;QACjC,UAAU,CAAC,GAAG,EAAE,MAAM,KAAK,IAAI,CAAC,CAAC,CAAC,MAAM,CAAC,CAAC,CAAC,OAAO,MAAM,EAAE,QAAQ,EAAE,KAAK,CAAC,CAAC;KAC5E;AACH,CAAC;AAED,MAAM,UAAU,cAAc,CAAC,MAAW,EAAE,GAAW;IACrD,IAAI,CAAC,CAAC,OAAO,MAAM,KAAK,UAAU,CAAC,EAAE;QACnC,UAAU,CAAC,GAAG,EAAE,MAAM,KAAK,IAAI,CAAC,CAAC,CAAC,MAAM,CAAC,CAAC,CAAC,OAAO,MAAM,EAAE,UAAU,EAAE,KAAK,CAAC,CAAC;KAC9E;AACH,CAAC;AAED,MAAM,UAAU,WAAW,CAAI,MAAS,EAAE,QAAW,EAAE,GAAW;IAChE,IAAI,CAAC,CAAC,MAAM,IAAI,QAAQ,CAAC,EAAE;QACzB,UAAU,CAAC,GAAG,EAAE,MAAM,EAAE,QAAQ,EAAE,IAAI,CAAC,CAAC;KACzC;AACH,CAAC;AAED,MAAM,UAAU,cAAc,CAAI,MAAS,EAAE,QAAW,EAAE,GAAW;IACnE,IAAI,CAAC,CAAC,MAAM,IAAI,QAAQ,CAAC,EAAE;QACzB,UAAU,CAAC,GAAG,EAAE,MAAM,EAAE,QAAQ,EAAE,IAAI,CAAC,CAAC;KACzC;AACH,CAAC;AAED,MAAM,UAAU,UAAU,CAAI,MAAS,EAAE,QAAW,EAAE,GAAW;IAC/D,IAAI,CAAC,CAAC,MAAM,KAAK,QAAQ,CAAC,EAAE;QAC1B,UAAU,CAAC,GAAG,EAAE,MAAM,EAAE,QAAQ,EAAE,KAAK,CAAC,CAAC;KAC1C;AACH,CAAC;AAED,MAAM,UAAU,aAAa,CAAI,MAAS,EAAE,QAAW,EAAE,GAAW;IAClE,IAAI,CAAC,CAAC,MAAM,KAAK,QAAQ,CAAC,EAAE;QAC1B,UAAU,CAAC,GAAG,EAAE,MAAM,EAAE,QAAQ,EAAE,KAAK,CAAC,CAAC;KAC1C;AACH,CAAC;AAED,MAAM,UAAU,cAAc,CAAI,MAAS,EAAE,QAAW,EAAE,GAAW;IACnE,IAAI,CAAC,CAAC,MAAM,GAAG,QAAQ,CAAC,EAAE;QACxB,UAAU,CAAC,GAAG,EAAE,MAAM,EAAE,QAAQ,EAAE,GAAG,CAAC,CAAC;KACxC;AACH,CAAC;AAED,MAAM,UAAU,qBAAqB,CAAI,MAAS,EAAE,QAAW,EAAE,GAAW;IAC1E,IAAI,CAAC,CAAC,MAAM,IAAI,QAAQ,CAAC,EAAE;QACzB,UAAU,CAAC,GAAG,EAAE,MAAM,EAAE,QAAQ,EAAE,IAAI,CAAC,CAAC;KACzC;AACH,CAAC;AAED,MAAM,UAAU,iBAAiB,CAAI,MAAS,EAAE,QAAW,EAAE,GAAW;IACtE,IAAI,CAAC,CAAC,MAAM,GAAG,QAAQ,CAAC,EAAE;QACxB,UAAU,CAAC,GAAG,EAAE,MAAM,EAAE,QAAQ,EAAE,GAAG,CAAC,CAAC;KACxC;AACH,CAAC;AAED,MAAM,UAAU,wBAAwB,CACpC,MAAS,EAAE,QAAW,EAAE,GAAW;IACrC,IAAI,CAAC,CAAC,MAAM,IAAI,QAAQ,CAAC,EAAE;QACzB,UAAU,CAAC,GAAG,EAAE,MAAM,EAAE,QAAQ,EAAE,IAAI,CAAC,CAAC;KACzC;AACH,CAAC;AAED,MAAM,UAAU,gBAAgB,CAAI,MAAS,EAAE,GAAW;IACxD,IAAI,MAAM,IAAI,IAAI,EAAE;QAClB,UAAU,CAAC,GAAG,EAAE,MAAM,EAAE,IAAI,EAAE,IAAI,CAAC,CAAC;KACrC;AACH,CAAC;AAED,MAAM,UAAU,aAAa,CAAI,MAAwB,EAAE,GAAW;IACpE,IAAI,MAAM,IAAI,IAAI,EAAE;QAClB,UAAU,CAAC,GAAG,EAAE,MAAM,EAAE,IAAI,EAAE,IAAI,CAAC,CAAC;KACrC;AACH,CAAC;AAID,MAAM,UAAU,UAAU,CAAC,GAAW,EAAE,MAAY,EAAE,QAAc,EAAE,UAAmB;IACvF,MAAM,IAAI,KAAK,CACX,oBAAoB,GAAG,EAAE;QACzB,CAAC,UAAU,IAAI,IAAI,CAAC,CAAC,CAAC,EAAE,CAAC,CAAC,CAAC,gBAAgB,QAAQ,IAAI,UAAU,IAAI,MAAM,YAAY,CAAC,CAAC,CAAC;AAChG,CAAC;AAED,MAAM,UAAU,aAAa,CAAC,IAAS;IACrC,IAAI,CAAC,CAAC,IAAI,YAAY,IAAI,CAAC,EAAE;QAC3B,UAAU,CAAC,gEAAgE,SAAS,CAAC,IAAI,CAAC,EAAE,CAAC,CAAC;KAC/F;AACH,CAAC;AAED,MAAM,UAAU,kBAAkB,CAAC,GAAU,EAAE,KAAa;IAC1D,aAAa,CAAC,GAAG,EAAE,wBAAwB,CAAC,CAAC;IAC7C,MAAM,MAAM,GAAG,GAAG,CAAC,MAAM,CAAC;IAC1B,IAAI,KAAK,GAAG,CAAC,IAAI,KAAK,IAAI,MAAM,EAAE;QAChC,UAAU,CAAC,kCAAkC,MAAM,YAAY,KAAK,EAAE,CAAC,CAAC;KACzE;AACH,CAAC;AAED,MAAM,UAAU,WAAW,CAAC,KAAU,EAAE,GAAG,WAAkB;IAC3D,IAAI,WAAW,CAAC,OAAO,CAAC,KAAK,CAAC,KAAK,CAAC,CAAC;QAAE,OAAO,IAAI,CAAC;IACnD,UAAU,CAAC,+BAA+B,IAAI,CAAC,SAAS,CAAC,WAAW,CAAC,YACjE,IAAI,CAAC,SAAS,CAAC,KAAK,CAAC,GAAG,CAAC,CAAC;AAChC,CAAC","sourcesContent":["/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\n// The functions in this file verify that the assumptions we are making\n// about state in an instruction are correct before implementing any logic.\n// They are meant only to be called in dev mode as sanity checks.\n\nimport {stringify} from './stringify';\n\nexport function assertNumber(actual: any, msg: string): asserts actual is number {\n  if (!(typeof actual === 'number')) {\n    throwError(msg, typeof actual, 'number', '===');\n  }\n}\n\nexport function assertNumberInRange(\n    actual: any, minInclusive: number, maxInclusive: number): asserts actual is number {\n  assertNumber(actual, 'Expected a number');\n  assertLessThanOrEqual(actual, maxInclusive, 'Expected number to be less than or equal to');\n  assertGreaterThanOrEqual(actual, minInclusive, 'Expected number to be greater than or equal to');\n}\n\nexport function assertString(actual: any, msg: string): asserts actual is string {\n  if (!(typeof actual === 'string')) {\n    throwError(msg, actual === null ? 'null' : typeof actual, 'string', '===');\n  }\n}\n\nexport function assertFunction(actual: any, msg: string): asserts actual is Function {\n  if (!(typeof actual === 'function')) {\n    throwError(msg, actual === null ? 'null' : typeof actual, 'function', '===');\n  }\n}\n\nexport function assertEqual<T>(actual: T, expected: T, msg: string) {\n  if (!(actual == expected)) {\n    throwError(msg, actual, expected, '==');\n  }\n}\n\nexport function assertNotEqual<T>(actual: T, expected: T, msg: string): asserts actual is T {\n  if (!(actual != expected)) {\n    throwError(msg, actual, expected, '!=');\n  }\n}\n\nexport function assertSame<T>(actual: T, expected: T, msg: string): asserts actual is T {\n  if (!(actual === expected)) {\n    throwError(msg, actual, expected, '===');\n  }\n}\n\nexport function assertNotSame<T>(actual: T, expected: T, msg: string) {\n  if (!(actual !== expected)) {\n    throwError(msg, actual, expected, '!==');\n  }\n}\n\nexport function assertLessThan<T>(actual: T, expected: T, msg: string): asserts actual is T {\n  if (!(actual < expected)) {\n    throwError(msg, actual, expected, '<');\n  }\n}\n\nexport function assertLessThanOrEqual<T>(actual: T, expected: T, msg: string): asserts actual is T {\n  if (!(actual <= expected)) {\n    throwError(msg, actual, expected, '<=');\n  }\n}\n\nexport function assertGreaterThan<T>(actual: T, expected: T, msg: string): asserts actual is T {\n  if (!(actual > expected)) {\n    throwError(msg, actual, expected, '>');\n  }\n}\n\nexport function assertGreaterThanOrEqual<T>(\n    actual: T, expected: T, msg: string): asserts actual is T {\n  if (!(actual >= expected)) {\n    throwError(msg, actual, expected, '>=');\n  }\n}\n\nexport function assertNotDefined<T>(actual: T, msg: string) {\n  if (actual != null) {\n    throwError(msg, actual, null, '==');\n  }\n}\n\nexport function assertDefined<T>(actual: T|null|undefined, msg: string): asserts actual is T {\n  if (actual == null) {\n    throwError(msg, actual, null, '!=');\n  }\n}\n\nexport function throwError(msg: string): never;\nexport function throwError(msg: string, actual: any, expected: any, comparison: string): never;\nexport function throwError(msg: string, actual?: any, expected?: any, comparison?: string): never {\n  throw new Error(\n      `ASSERTION ERROR: ${msg}` +\n      (comparison == null ? '' : ` [Expected=> ${expected} ${comparison} ${actual} <=Actual]`));\n}\n\nexport function assertDomNode(node: any): asserts node is Node {\n  if (!(node instanceof Node)) {\n    throwError(`The provided value must be an instance of a DOM Node but got ${stringify(node)}`);\n  }\n}\n\nexport function assertIndexInRange(arr: any[], index: number) {\n  assertDefined(arr, 'Array must be defined.');\n  const maxLen = arr.length;\n  if (index < 0 || index >= maxLen) {\n    throwError(`Index expected to be less than ${maxLen} but got ${index}`);\n  }\n}\n\nexport function assertOneOf(value: any, ...validValues: any[]) {\n  if (validValues.indexOf(value) !== -1) return true;\n  throwError(`Expected value to be one of ${JSON.stringify(validValues)} but was ${\n      JSON.stringify(value)}.`);\n}\n"]}